From 2f2aeda98f3aa24034a700e7efcb6c1a9397836f Mon Sep 17 00:00:00 2001 From: Ulrich Weigand Date: Tue, 3 Sep 2019 15:08:28 +0000 Subject: Remove Cell Broadband Engine SPU targets From-SVN: r275343 --- libgcc/ChangeLog | 5 + libgcc/config.host | 10 - libgcc/config/spu/cache.S | 43 --- libgcc/config/spu/cachemgr.c | 438 ------------------------------ libgcc/config/spu/divmodti4.c | 188 ------------- libgcc/config/spu/divv2df3.c | 195 ------------- libgcc/config/spu/float_disf.c | 31 --- libgcc/config/spu/float_unsdidf.c | 54 ---- libgcc/config/spu/float_unsdisf.c | 31 --- libgcc/config/spu/float_unssidf.c | 45 --- libgcc/config/spu/mfc_multi_tag_release.c | 72 ----- libgcc/config/spu/mfc_multi_tag_reserve.c | 84 ------ libgcc/config/spu/mfc_tag_release.c | 59 ---- libgcc/config/spu/mfc_tag_reserve.c | 51 ---- libgcc/config/spu/mfc_tag_table.c | 39 --- libgcc/config/spu/multi3.c | 119 -------- libgcc/config/spu/t-elf | 59 ---- 17 files changed, 5 insertions(+), 1518 deletions(-) delete mode 100644 libgcc/config/spu/cache.S delete mode 100644 libgcc/config/spu/cachemgr.c delete mode 100644 libgcc/config/spu/divmodti4.c delete mode 100644 libgcc/config/spu/divv2df3.c delete mode 100644 libgcc/config/spu/float_disf.c delete mode 100644 libgcc/config/spu/float_unsdidf.c delete mode 100644 libgcc/config/spu/float_unsdisf.c delete mode 100644 libgcc/config/spu/float_unssidf.c delete mode 100644 libgcc/config/spu/mfc_multi_tag_release.c delete mode 100644 libgcc/config/spu/mfc_multi_tag_reserve.c delete mode 100644 libgcc/config/spu/mfc_tag_release.c delete mode 100644 libgcc/config/spu/mfc_tag_reserve.c delete mode 100644 libgcc/config/spu/mfc_tag_table.c delete mode 100644 libgcc/config/spu/multi3.c delete mode 100644 libgcc/config/spu/t-elf (limited to 'libgcc') diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 2067437..1ffb236 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -1,3 +1,8 @@ +2019-09-03 Ulrich Weigand + + * config.host: Remove references to spu. + * config/spu/: Remove directory. + 2019-08-23 Jozef Lawrynowicz PR target/91306 diff --git a/libgcc/config.host b/libgcc/config.host index 503ebb6..a397670 100644 --- a/libgcc/config.host +++ b/libgcc/config.host @@ -189,9 +189,6 @@ sparc64*-*-*) sparc*-*-*) cpu_type=sparc ;; -spu*-*-*) - cpu_type=spu - ;; s390*-*-*) cpu_type=s390 ;; @@ -1369,13 +1366,6 @@ sparc64-*-linux*) # 64-bit SPARC's running GNU/Linux ;; sparc64-*-netbsd*) ;; -spu-*-elf*) - tmake_file="$tmake_file spu/t-elf t-libgcc-pic t-fdpbit" - extra_parts="$extra_parts \ - libgcc_cachemgr.a libgcc_cachemgr_nonatomic.a \ - libgcc_cache8k.a libgcc_cache16k.a libgcc_cache32k.a \ - libgcc_cache64k.a libgcc_cache128k.a" - ;; tic6x-*-uclinux) tmake_file="${tmake_file} t-softfp-sfdf t-softfp-excl t-softfp \ c6x/t-elf c6x/t-uclinux t-crtstuff-pic t-libgcc-pic \ diff --git a/libgcc/config/spu/cache.S b/libgcc/config/spu/cache.S deleted file mode 100644 index 1affe63..0000000 --- a/libgcc/config/spu/cache.S +++ /dev/null @@ -1,43 +0,0 @@ -/* Copyright (C) 2008-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - - .data - .p2align 7 - .global __cache -__cache: - .rept __CACHE_SIZE__ * 8 - .fill 128 - .endr - - .p2align 7 - .global __cache_tag_array -__cache_tag_array: - .rept __CACHE_SIZE__ * 2 - .long 1, 1, 1, 1 - .fill 128-16 - .endr -__end_cache_tag_array: - - .globl __cache_tag_array_size - .set __cache_tag_array_size, __end_cache_tag_array-__cache_tag_array - diff --git a/libgcc/config/spu/cachemgr.c b/libgcc/config/spu/cachemgr.c deleted file mode 100644 index 32b2a0e..0000000 --- a/libgcc/config/spu/cachemgr.c +++ /dev/null @@ -1,438 +0,0 @@ -/* Copyright (C) 2008-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include -#include -#include -#include - -extern unsigned long long __ea_local_store; -extern char __cache_tag_array_size; - -#define LINE_SIZE 128 -#define TAG_MASK (LINE_SIZE - 1) - -#define WAYS 4 -#define SET_MASK ((int) &__cache_tag_array_size - LINE_SIZE) - -#define CACHE_LINES ((int) &__cache_tag_array_size / \ - sizeof (struct __cache_tag_array) * WAYS) - -struct __cache_tag_array -{ - unsigned int tag_lo[WAYS]; - unsigned int tag_hi[WAYS]; - void *base[WAYS]; - int reserved[WAYS]; - vector unsigned short dirty_bits[WAYS]; -}; - -extern struct __cache_tag_array __cache_tag_array[]; -extern char __cache[]; - -/* In order to make the code seem a little cleaner, and to avoid having - 64/32 bit ifdefs all over the place, we use macros. */ - -#ifdef __EA64__ -typedef unsigned long long addr; - -#define CHECK_TAG(_entry, _way, _tag) \ - ((_entry)->tag_lo[(_way)] == ((_tag) & 0xFFFFFFFF) \ - && (_entry)->tag_hi[(_way)] == ((_tag) >> 32)) - -#define GET_TAG(_entry, _way) \ - ((unsigned long long)(_entry)->tag_hi[(_way)] << 32 \ - | (unsigned long long)(_entry)->tag_lo[(_way)]) - -#define SET_TAG(_entry, _way, _tag) \ - (_entry)->tag_lo[(_way)] = (_tag) & 0xFFFFFFFF; \ - (_entry)->tag_hi[(_way)] = (_tag) >> 32 - -#else /*__EA32__*/ -typedef unsigned long addr; - -#define CHECK_TAG(_entry, _way, _tag) \ - ((_entry)->tag_lo[(_way)] == (_tag)) - -#define GET_TAG(_entry, _way) \ - ((_entry)->tag_lo[(_way)]) - -#define SET_TAG(_entry, _way, _tag) \ - (_entry)->tag_lo[(_way)] = (_tag) - -#endif - -/* In GET_ENTRY, we cast away the high 32 bits, - as the tag is only in the low 32. */ - -#define GET_ENTRY(_addr) \ - ((struct __cache_tag_array *) \ - si_to_uint (si_a (si_and (si_from_uint ((unsigned int) (addr) (_addr)), \ - si_from_uint (SET_MASK)), \ - si_from_uint ((unsigned int) __cache_tag_array)))) - -#define GET_CACHE_LINE(_addr, _way) \ - ((void *) (__cache + ((_addr) & SET_MASK) * WAYS) + ((_way) * LINE_SIZE)); - -#define CHECK_DIRTY(_vec) (si_to_uint (si_orx ((qword) (_vec)))) -#define SET_EMPTY(_entry, _way) ((_entry)->tag_lo[(_way)] = 1) -#define CHECK_EMPTY(_entry, _way) ((_entry)->tag_lo[(_way)] == 1) - -#define LS_FLAG 0x80000000 -#define SET_IS_LS(_entry, _way) ((_entry)->reserved[(_way)] |= LS_FLAG) -#define CHECK_IS_LS(_entry, _way) ((_entry)->reserved[(_way)] & LS_FLAG) -#define GET_LRU(_entry, _way) ((_entry)->reserved[(_way)] & ~LS_FLAG) - -static int dma_tag = 32; - -static void -__cache_evict_entry (struct __cache_tag_array *entry, int way) -{ - addr tag = GET_TAG (entry, way); - - if (CHECK_DIRTY (entry->dirty_bits[way]) && !CHECK_IS_LS (entry, way)) - { -#ifdef NONATOMIC - /* Non-atomic writes. */ - unsigned int oldmask, mach_stat; - char *line = ((void *) 0); - - /* Enter critical section. */ - mach_stat = spu_readch (SPU_RdMachStat); - spu_idisable (); - - /* Issue DMA request. */ - line = GET_CACHE_LINE (entry->tag_lo[way], way); - mfc_put (line, tag, LINE_SIZE, dma_tag, 0, 0); - - /* Wait for DMA completion. */ - oldmask = mfc_read_tag_mask (); - mfc_write_tag_mask (1 << dma_tag); - mfc_read_tag_status_all (); - mfc_write_tag_mask (oldmask); - - /* Leave critical section. */ - if (__builtin_expect (mach_stat & 1, 0)) - spu_ienable (); -#else - /* Allocate a buffer large enough that we know it has 128 bytes - that are 128 byte aligned (for DMA). */ - - char buffer[LINE_SIZE + 127]; - qword *buf_ptr = (qword *) (((unsigned int) (buffer) + 127) & ~127); - qword *line = GET_CACHE_LINE (entry->tag_lo[way], way); - qword bits; - unsigned int mach_stat; - - /* Enter critical section. */ - mach_stat = spu_readch (SPU_RdMachStat); - spu_idisable (); - - do - { - /* We atomically read the current memory into a buffer - modify the dirty bytes in the buffer, and write it - back. If writeback fails, loop and try again. */ - - mfc_getllar (buf_ptr, tag, 0, 0); - mfc_read_atomic_status (); - - /* The method we're using to write 16 dirty bytes into - the buffer at a time uses fsmb which in turn uses - the least significant 16 bits of word 0, so we - load the bits and rotate so that the first bit of - the bitmap is in the first bit that fsmb will use. */ - - bits = (qword) entry->dirty_bits[way]; - bits = si_rotqbyi (bits, -2); - - /* Si_fsmb creates the mask of dirty bytes. - Use selb to nab the appropriate bits. */ - buf_ptr[0] = si_selb (buf_ptr[0], line[0], si_fsmb (bits)); - - /* Rotate to next 16 byte section of cache. */ - bits = si_rotqbyi (bits, 2); - - buf_ptr[1] = si_selb (buf_ptr[1], line[1], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - buf_ptr[2] = si_selb (buf_ptr[2], line[2], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - buf_ptr[3] = si_selb (buf_ptr[3], line[3], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - buf_ptr[4] = si_selb (buf_ptr[4], line[4], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - buf_ptr[5] = si_selb (buf_ptr[5], line[5], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - buf_ptr[6] = si_selb (buf_ptr[6], line[6], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - buf_ptr[7] = si_selb (buf_ptr[7], line[7], si_fsmb (bits)); - bits = si_rotqbyi (bits, 2); - - mfc_putllc (buf_ptr, tag, 0, 0); - } - while (mfc_read_atomic_status ()); - - /* Leave critical section. */ - if (__builtin_expect (mach_stat & 1, 0)) - spu_ienable (); -#endif - } - - /* In any case, marking the lo tag with 1 which denotes empty. */ - SET_EMPTY (entry, way); - entry->dirty_bits[way] = (vector unsigned short) si_from_uint (0); -} - -void -__cache_evict (__ea void *ea) -{ - addr tag = (addr) ea & ~TAG_MASK; - struct __cache_tag_array *entry = GET_ENTRY (ea); - int i = 0; - - /* Cycles through all the possible ways an address could be at - and evicts the way if found. */ - - for (i = 0; i < WAYS; i++) - if (CHECK_TAG (entry, i, tag)) - __cache_evict_entry (entry, i); -} - -static void * -__cache_fill (int way, addr tag) -{ - unsigned int oldmask, mach_stat; - char *line = ((void *) 0); - - /* Reserve our DMA tag. */ - if (dma_tag == 32) - dma_tag = mfc_tag_reserve (); - - /* Enter critical section. */ - mach_stat = spu_readch (SPU_RdMachStat); - spu_idisable (); - - /* Issue DMA request. */ - line = GET_CACHE_LINE (tag, way); - mfc_get (line, tag, LINE_SIZE, dma_tag, 0, 0); - - /* Wait for DMA completion. */ - oldmask = mfc_read_tag_mask (); - mfc_write_tag_mask (1 << dma_tag); - mfc_read_tag_status_all (); - mfc_write_tag_mask (oldmask); - - /* Leave critical section. */ - if (__builtin_expect (mach_stat & 1, 0)) - spu_ienable (); - - return (void *) line; -} - -static void -__cache_miss (__ea void *ea, struct __cache_tag_array *entry, int way) -{ - - addr tag = (addr) ea & ~TAG_MASK; - unsigned int lru = 0; - int i = 0; - int idx = 0; - - /* If way > 4, then there are no empty slots, so we must evict - the least recently used entry. */ - if (way >= 4) - { - for (i = 0; i < WAYS; i++) - { - if (GET_LRU (entry, i) > lru) - { - lru = GET_LRU (entry, i); - idx = i; - } - } - __cache_evict_entry (entry, idx); - way = idx; - } - - /* Set the empty entry's tag and fill it's cache line. */ - - SET_TAG (entry, way, tag); - entry->reserved[way] = 0; - - /* Check if the address is just an effective address within the - SPU's local store. */ - - /* Because the LS is not 256k aligned, we can't do a nice and mask - here to compare, so we must check the whole range. */ - - if ((addr) ea >= (addr) __ea_local_store - && (addr) ea < (addr) (__ea_local_store + 0x40000)) - { - SET_IS_LS (entry, way); - entry->base[way] = - (void *) ((unsigned int) ((addr) ea - - (addr) __ea_local_store) & ~0x7f); - } - else - { - entry->base[way] = __cache_fill (way, tag); - } -} - -void * -__cache_fetch_dirty (__ea void *ea, int n_bytes_dirty) -{ -#ifdef __EA64__ - unsigned int tag_hi; - qword etag_hi; -#endif - unsigned int tag_lo; - struct __cache_tag_array *entry; - - qword etag_lo; - qword equal; - qword bit_mask; - qword way; - - /* This first chunk, we merely fill the pointer and tag. */ - - entry = GET_ENTRY (ea); - -#ifndef __EA64__ - tag_lo = - si_to_uint (si_andc - (si_shufb - (si_from_uint ((addr) ea), si_from_uint (0), - si_from_uint (0x00010203)), si_from_uint (TAG_MASK))); -#else - tag_lo = - si_to_uint (si_andc - (si_shufb - (si_from_ullong ((addr) ea), si_from_uint (0), - si_from_uint (0x04050607)), si_from_uint (TAG_MASK))); - - tag_hi = - si_to_uint (si_shufb - (si_from_ullong ((addr) ea), si_from_uint (0), - si_from_uint (0x00010203))); -#endif - - /* Increment LRU in reserved bytes. */ - si_stqd (si_ai (si_lqd (si_from_ptr (entry), 48), 1), - si_from_ptr (entry), 48); - -missreturn: - /* Check if the entry's lo_tag is equal to the address' lo_tag. */ - etag_lo = si_lqd (si_from_ptr (entry), 0); - equal = si_ceq (etag_lo, si_from_uint (tag_lo)); -#ifdef __EA64__ - /* And the high tag too. */ - etag_hi = si_lqd (si_from_ptr (entry), 16); - equal = si_and (equal, (si_ceq (etag_hi, si_from_uint (tag_hi)))); -#endif - - if ((si_to_uint (si_orx (equal)) == 0)) - goto misshandler; - - if (n_bytes_dirty) - { - /* way = 0x40,0x50,0x60,0x70 for each way, which is also the - offset of the appropriate dirty bits. */ - way = si_shli (si_clz (si_gbb (equal)), 2); - - /* To create the bit_mask, we set it to all 1s (uint -1), then we - shift it over (128 - n_bytes_dirty) times. */ - - bit_mask = si_from_uint (-1); - - bit_mask = - si_shlqby (bit_mask, si_from_uint ((LINE_SIZE - n_bytes_dirty) / 8)); - - bit_mask = - si_shlqbi (bit_mask, si_from_uint ((LINE_SIZE - n_bytes_dirty) % 8)); - - /* Rotate it around to the correct offset. */ - bit_mask = - si_rotqby (bit_mask, - si_from_uint (-1 * ((addr) ea & TAG_MASK) / 8)); - - bit_mask = - si_rotqbi (bit_mask, - si_from_uint (-1 * ((addr) ea & TAG_MASK) % 8)); - - /* Update the dirty bits. */ - si_stqx (si_or (si_lqx (si_from_ptr (entry), way), bit_mask), - si_from_ptr (entry), way); - }; - - /* We've definitely found the right entry, set LRU (reserved) to 0 - maintaining the LS flag (MSB). */ - - si_stqd (si_andc - (si_lqd (si_from_ptr (entry), 48), - si_and (equal, si_from_uint (~(LS_FLAG)))), - si_from_ptr (entry), 48); - - return (void *) - si_to_uint (si_a - (si_orx - (si_and (si_lqd (si_from_ptr (entry), 32), equal)), - si_from_uint (((unsigned int) (addr) ea) & TAG_MASK))); - -misshandler: - equal = si_ceqi (etag_lo, 1); - __cache_miss (ea, entry, (si_to_uint (si_clz (si_gbb (equal))) - 16) >> 2); - goto missreturn; -} - -void * -__cache_fetch (__ea void *ea) -{ - return __cache_fetch_dirty (ea, 0); -} - -void -__cache_touch (__ea void *ea __attribute__ ((unused))) -{ - /* NO-OP for now. */ -} - -void __cache_flush (void) __attribute__ ((destructor)); -void -__cache_flush (void) -{ - struct __cache_tag_array *entry = __cache_tag_array; - unsigned int i; - int j; - - /* Cycle through each cache entry and evict all used ways. */ - - for (i = 0; i < CACHE_LINES / WAYS; i++) - { - for (j = 0; j < WAYS; j++) - if (!CHECK_EMPTY (entry, j)) - __cache_evict_entry (entry, j); - - entry++; - } -} diff --git a/libgcc/config/spu/divmodti4.c b/libgcc/config/spu/divmodti4.c deleted file mode 100644 index db9fdf9..0000000 --- a/libgcc/config/spu/divmodti4.c +++ /dev/null @@ -1,188 +0,0 @@ -/* Copyright (C) 2008-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -#include - -typedef unsigned int UTItype __attribute__ ((mode (TI))); -typedef int TItype __attribute__ ((mode (TI))); -TItype __divti3 (TItype u, TItype v); -TItype __modti3 (TItype u, TItype v); -UTItype __udivti3 (UTItype u, UTItype v); -UTItype __umodti3 (UTItype u, UTItype v); -UTItype __udivmodti4 (UTItype u, UTItype v, UTItype *w); - -union qword_UTItype - { - qword q; - UTItype t; - }; - -inline static qword -si_from_UTItype (UTItype t) -{ - union qword_UTItype u; - u.t = t; - return u.q; -} - -inline static UTItype -si_to_UTItype (qword q) -{ - union qword_UTItype u; - u.q = q; - return u.t; -} - -inline static unsigned int -count_leading_zeros (UTItype x) -{ - qword c = si_clz (*(qword *) & x); - qword cmp0 = si_cgti (c, 31); - qword cmp1 = si_and (cmp0, si_shlqbyi (cmp0, 4)); - qword cmp2 = si_and (cmp1, si_shlqbyi (cmp0, 8)); - qword s = si_a (c, si_and (cmp0, si_shlqbyi (c, 4))); - s = si_a (s, si_and (cmp1, si_shlqbyi (c, 8))); - s = si_a (s, si_and (cmp2, si_shlqbyi (c, 12))); - return si_to_uint (s); -} - -/* Based on implementation of udivmodsi4, which is essentially - * an optimized version of libgcc/udivmodsi4.c - clz %7,%2 - clz %4,%1 - il %5,1 - fsmbi %0,0 - sf %7,%4,%7 - ori %3,%1,0 - shl %5,%5,%7 - shl %4,%2,%7 -1: or %8,%0,%5 - rotmi %5,%5,-1 - clgt %6,%4,%3 - sf %7,%4,%3 - rotmi %4,%4,-1 - selb %0,%8,%0,%6 - selb %3,%7,%3,%6 -3: brnz %5,1b - */ - -UTItype -__udivmodti4 (UTItype num, UTItype den, UTItype * rp) -{ - qword shift = - si_from_uint (count_leading_zeros (den) - count_leading_zeros (num)); - qword n0 = si_from_UTItype (num); - qword d0 = si_from_UTItype (den); - qword bit = si_andi (si_fsmbi (1), 1); - qword r0 = si_il (0); - qword m1 = si_fsmbi (0x000f); - qword mask, r1, n1; - - d0 = si_shlqbybi (si_shlqbi (d0, shift), shift); - bit = si_shlqbybi (si_shlqbi (bit, shift), shift); - - do - { - r1 = si_or (r0, bit); - - // n1 = n0 - d0 in TImode - n1 = si_bg (d0, n0); - n1 = si_shlqbyi (n1, 4); - n1 = si_sf (m1, n1); - n1 = si_bgx (d0, n0, n1); - n1 = si_shlqbyi (n1, 4); - n1 = si_sf (m1, n1); - n1 = si_bgx (d0, n0, n1); - n1 = si_shlqbyi (n1, 4); - n1 = si_sf (m1, n1); - n1 = si_sfx (d0, n0, n1); - - mask = si_fsm (si_cgti (n1, -1)); - r0 = si_selb (r0, r1, mask); - n0 = si_selb (n0, n1, mask); - bit = si_rotqmbii (bit, -1); - d0 = si_rotqmbii (d0, -1); - } - while (si_to_uint (si_orx (bit))); - if (rp) - *rp = si_to_UTItype (n0); - return si_to_UTItype (r0); -} - -UTItype -__udivti3 (UTItype n, UTItype d) -{ - return __udivmodti4 (n, d, (UTItype *)0); -} - -UTItype -__umodti3 (UTItype n, UTItype d) -{ - UTItype w; - __udivmodti4 (n, d, &w); - return w; -} - -TItype -__divti3 (TItype n, TItype d) -{ - int c = 0; - TItype w; - - if (n < 0) - { - c = ~c; - n = -n; - } - if (d < 0) - { - c = ~c; - d = -d; - } - - w = __udivmodti4 (n, d, (UTItype *)0); - if (c) - w = -w; - return w; -} - -TItype -__modti3 (TItype n, TItype d) -{ - int c = 0; - TItype w; - - if (n < 0) - { - c = ~c; - n = -n; - } - if (d < 0) - { - c = ~c; - d = -d; - } - - __udivmodti4 (n, d, (UTItype *) &w); - if (c) - w = -w; - return w; -} diff --git a/libgcc/config/spu/divv2df3.c b/libgcc/config/spu/divv2df3.c deleted file mode 100644 index f4e95a9..0000000 --- a/libgcc/config/spu/divv2df3.c +++ /dev/null @@ -1,195 +0,0 @@ -/* Copyright (C) 2009-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -#include - -vector double __divv2df3 (vector double a_in, vector double b_in); - -/* __divv2df3 divides the vector dividend a by the vector divisor b and - returns the resulting vector quotient. Maximum error about 0.5 ulp - over entire double range including denorms, compared to true result - in round-to-nearest rounding mode. Handles Inf or NaN operands and - results correctly. */ - -vector double -__divv2df3 (vector double a_in, vector double b_in) -{ - /* Variables */ - vec_int4 exp, exp_bias; - vec_uint4 no_underflow, overflow; - vec_float4 mant_bf, inv_bf; - vec_ullong2 exp_a, exp_b; - vec_ullong2 a_nan, a_zero, a_inf, a_denorm, a_denorm0; - vec_ullong2 b_nan, b_zero, b_inf, b_denorm, b_denorm0; - vec_ullong2 nan; - vec_uint4 a_exp, b_exp; - vec_ullong2 a_mant_0, b_mant_0; - vec_ullong2 a_exp_1s, b_exp_1s; - vec_ullong2 sign_exp_mask; - - vec_double2 a, b; - vec_double2 mant_a, mant_b, inv_b, q0, q1, q2, mult; - - /* Constants */ - vec_uint4 exp_mask_u32 = spu_splats((unsigned int)0x7FF00000); - vec_uchar16 splat_hi = (vec_uchar16){0,1,2,3, 0,1,2,3, 8, 9,10,11, 8,9,10,11}; - vec_uchar16 swap_32 = (vec_uchar16){4,5,6,7, 0,1,2,3, 12,13,14,15, 8,9,10,11}; - vec_ullong2 exp_mask = spu_splats(0x7FF0000000000000ULL); - vec_ullong2 sign_mask = spu_splats(0x8000000000000000ULL); - vec_float4 onef = spu_splats(1.0f); - vec_double2 one = spu_splats(1.0); - vec_double2 exp_53 = (vec_double2)spu_splats(0x0350000000000000ULL); - - sign_exp_mask = spu_or(sign_mask, exp_mask); - - /* Extract the floating point components from each of the operands including - * exponent and mantissa. - */ - a_exp = (vec_uint4)spu_and((vec_uint4)a_in, exp_mask_u32); - a_exp = spu_shuffle(a_exp, a_exp, splat_hi); - b_exp = (vec_uint4)spu_and((vec_uint4)b_in, exp_mask_u32); - b_exp = spu_shuffle(b_exp, b_exp, splat_hi); - - a_mant_0 = (vec_ullong2)spu_cmpeq((vec_uint4)spu_andc((vec_ullong2)a_in, sign_exp_mask), 0); - a_mant_0 = spu_and(a_mant_0, spu_shuffle(a_mant_0, a_mant_0, swap_32)); - - b_mant_0 = (vec_ullong2)spu_cmpeq((vec_uint4)spu_andc((vec_ullong2)b_in, sign_exp_mask), 0); - b_mant_0 = spu_and(b_mant_0, spu_shuffle(b_mant_0, b_mant_0, swap_32)); - - a_exp_1s = (vec_ullong2)spu_cmpeq(a_exp, exp_mask_u32); - b_exp_1s = (vec_ullong2)spu_cmpeq(b_exp, exp_mask_u32); - - /* Identify all possible special values that must be accommodated including: - * +-denorm, +-0, +-infinity, and NaNs. - */ - a_denorm0= (vec_ullong2)spu_cmpeq(a_exp, 0); - a_nan = spu_andc(a_exp_1s, a_mant_0); - a_zero = spu_and (a_denorm0, a_mant_0); - a_inf = spu_and (a_exp_1s, a_mant_0); - a_denorm = spu_andc(a_denorm0, a_zero); - - b_denorm0= (vec_ullong2)spu_cmpeq(b_exp, 0); - b_nan = spu_andc(b_exp_1s, b_mant_0); - b_zero = spu_and (b_denorm0, b_mant_0); - b_inf = spu_and (b_exp_1s, b_mant_0); - b_denorm = spu_andc(b_denorm0, b_zero); - - /* Scale denorm inputs to into normalized numbers by conditionally scaling the - * input parameters. - */ - a = spu_sub(spu_or(a_in, exp_53), spu_sel(exp_53, a_in, sign_mask)); - a = spu_sel(a_in, a, a_denorm); - - b = spu_sub(spu_or(b_in, exp_53), spu_sel(exp_53, b_in, sign_mask)); - b = spu_sel(b_in, b, b_denorm); - - /* Extract the divisor and dividend exponent and force parameters into the signed - * range [1.0,2.0) or [-1.0,2.0). - */ - exp_a = spu_and((vec_ullong2)a, exp_mask); - exp_b = spu_and((vec_ullong2)b, exp_mask); - - mant_a = spu_sel(a, one, (vec_ullong2)exp_mask); - mant_b = spu_sel(b, one, (vec_ullong2)exp_mask); - - /* Approximate the single reciprocal of b by using - * the single precision reciprocal estimate followed by one - * single precision iteration of Newton-Raphson. - */ - mant_bf = spu_roundtf(mant_b); - inv_bf = spu_re(mant_bf); - inv_bf = spu_madd(spu_nmsub(mant_bf, inv_bf, onef), inv_bf, inv_bf); - - /* Perform 2 more Newton-Raphson iterations in double precision. The - * result (q1) is in the range (0.5, 2.0). - */ - inv_b = spu_extend(inv_bf); - inv_b = spu_madd(spu_nmsub(mant_b, inv_b, one), inv_b, inv_b); - q0 = spu_mul(mant_a, inv_b); - q1 = spu_madd(spu_nmsub(mant_b, q0, mant_a), inv_b, q0); - - /* Determine the exponent correction factor that must be applied - * to q1 by taking into account the exponent of the normalized inputs - * and the scale factors that were applied to normalize them. - */ - exp = spu_rlmaska(spu_sub((vec_int4)exp_a, (vec_int4)exp_b), -20); - exp = spu_add(exp, (vec_int4)spu_add(spu_and((vec_int4)a_denorm, -0x34), spu_and((vec_int4)b_denorm, 0x34))); - - /* Bias the quotient exponent depending on the sign of the exponent correction - * factor so that a single multiplier will ensure the entire double precision - * domain (including denorms) can be achieved. - * - * exp bias q1 adjust exp - * ===== ======== ========== - * positive 2^+65 -65 - * negative 2^-64 +64 - */ - exp_bias = spu_xor(spu_rlmaska(exp, -31), 64); - exp = spu_sub(exp, exp_bias); - - q1 = spu_sel(q1, (vec_double2)spu_add((vec_int4)q1, spu_sl(exp_bias, 20)), exp_mask); - - /* Compute a multiplier (mult) to applied to the quotient (q1) to produce the - * expected result. On overflow, clamp the multiplier to the maximum non-infinite - * number in case the rounding mode is not round-to-nearest. - */ - exp = spu_add(exp, 0x3FF); - no_underflow = spu_cmpgt(exp, 0); - overflow = spu_cmpgt(exp, 0x7FE); - exp = spu_and(spu_sl(exp, 20), (vec_int4)no_underflow); - exp = spu_and(exp, (vec_int4)exp_mask); - - mult = spu_sel((vec_double2)exp, (vec_double2)(spu_add((vec_uint4)exp_mask, -1)), (vec_ullong2)overflow); - - /* Handle special value conditions. These include: - * - * 1) IF either operand is a NaN OR both operands are 0 or INFINITY THEN a NaN - * results. - * 2) ELSE IF the dividend is an INFINITY OR the divisor is 0 THEN a INFINITY results. - * 3) ELSE IF the dividend is 0 OR the divisor is INFINITY THEN a 0 results. - */ - mult = spu_andc(mult, (vec_double2)spu_or(a_zero, b_inf)); - mult = spu_sel(mult, (vec_double2)exp_mask, spu_or(a_inf, b_zero)); - - nan = spu_or(a_nan, b_nan); - nan = spu_or(nan, spu_and(a_zero, b_zero)); - nan = spu_or(nan, spu_and(a_inf, b_inf)); - - mult = spu_or(mult, (vec_double2)nan); - - /* Scale the final quotient */ - - q2 = spu_mul(q1, mult); - - return (q2); -} - - -/* We use the same function for vector and scalar division. Provide the - scalar entry point as an alias. */ -double __divdf3 (double a, double b) - __attribute__ ((__alias__ ("__divv2df3"))); - -/* Some toolchain builds used the __fast_divdf3 name for this helper function. - Provide this as another alternate entry point for compatibility. */ -double __fast_divdf3 (double a, double b) - __attribute__ ((__alias__ ("__divv2df3"))); - diff --git a/libgcc/config/spu/float_disf.c b/libgcc/config/spu/float_disf.c deleted file mode 100644 index 1cdfa80..0000000 --- a/libgcc/config/spu/float_disf.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (C) 2008-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -/* Prototype. */ -float __floatdisf (long long x); - -float __floatdisf (long long x) -{ - /* The SPU back-end now generates inline code for this conversion. - This file is solely used to provide the __floatdisf functions - for objects generated with prior versions of GCC. */ - return x; -} diff --git a/libgcc/config/spu/float_unsdidf.c b/libgcc/config/spu/float_unsdidf.c deleted file mode 100644 index 81dab3c..0000000 --- a/libgcc/config/spu/float_unsdidf.c +++ /dev/null @@ -1,54 +0,0 @@ -/* Copyright (C) 2006-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -#include -const unsigned char __didf_scale[16] __attribute__ ((__aligned__ (16))) = { - 0x00, 0x00, 0x04, 0x3e, - 0x00, 0x00, 0x04, 0x1e, - 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 -}; -const unsigned char __didf_pat[16] __attribute__ ((__aligned__ (16))) = { - 0x02, 0x03, 0x10, 0x11, - 0x12, 0x13, 0x80, 0x80, - 0x06, 0x07, 0x14, 0x15, - 0x16, 0x17, 0x80, 0x80 -}; - -/* double __float_unsdidf (unsigned long long int) - Construct two exact doubles representing the high and low parts (in - parallel), then add them. */ -qword __float_unsdidf (qword DI); -qword -__float_unsdidf (qword DI) -{ - qword t0, t1, t2, t3, t4, t5, t6, t7, t8; - t0 = si_clz (DI); - t1 = si_shl (DI, t0); - t2 = si_ceqi (t0, 32); - t3 = si_sf (t0, *(const qword *) __didf_scale); - t4 = si_a (t1, t1); - t5 = si_andc (t3, t2); - t6 = si_shufb (t5, t4, *(const qword *) __didf_pat); - t7 = si_shlqbii (t6, 4); - t8 = si_shlqbyi (t7, 8); - return si_dfa (t7, t8); -} diff --git a/libgcc/config/spu/float_unsdisf.c b/libgcc/config/spu/float_unsdisf.c deleted file mode 100644 index 93e1bd3..0000000 --- a/libgcc/config/spu/float_unsdisf.c +++ /dev/null @@ -1,31 +0,0 @@ -/* Copyright (C) 2008-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -/* Prototype. */ -float __floatundisf (unsigned long long x); - -float __floatundisf (unsigned long long x) -{ - /* The SPU back-end now generates inline code for this conversion. - This file is solely used to provide the __floatundisf function - for objects generated with prior versions of GCC. */ - return x; -} diff --git a/libgcc/config/spu/float_unssidf.c b/libgcc/config/spu/float_unssidf.c deleted file mode 100644 index 7f78977..0000000 --- a/libgcc/config/spu/float_unssidf.c +++ /dev/null @@ -1,45 +0,0 @@ -/* Copyright (C) 2006-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -#include -const unsigned char __sidf_pat[16] __attribute__ ((__aligned__ (16))) = { - 0x02, 0x03, 0x10, 0x11, - 0x12, 0x13, 0x80, 0x80, - 0x06, 0x07, 0x14, 0x15, - 0x16, 0x17, 0x80, 0x80 -}; - -/* double __float_unssidf (unsigned int SI) */ -qword __float_unssidf (qword SI); -qword -__float_unssidf (qword SI) -{ - qword t0, t1, t2, t3, t4, t5, t6, t7; - t0 = si_clz (SI); - t1 = si_il (1054); - t2 = si_shl (SI, t0); - t3 = si_ceqi (t0, 32); - t4 = si_sf (t0, t1); - t5 = si_a (t2, t2); - t6 = si_andc (t4, t3); - t7 = si_shufb (t6, t5, *(const qword *) __sidf_pat); - return si_shlqbii (t7, 4); -} diff --git a/libgcc/config/spu/mfc_multi_tag_release.c b/libgcc/config/spu/mfc_multi_tag_release.c deleted file mode 100644 index 36ce140..0000000 --- a/libgcc/config/spu/mfc_multi_tag_release.c +++ /dev/null @@ -1,72 +0,0 @@ -/* Copyright (C) 2007-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include -extern vector unsigned int __mfc_tag_table; - -/* Release a sequential group of tags from exclusive use. The sequential - group of tags is the range starting from through - +-1. Upon successful release, MFC_DMA_TAG_VALID - is returned and the tags become available for future reservation. - - If the specified tags were not previously reserved, no action is - taken and MFC_DMA_TAG_INVALID is returned. */ - -unsigned int -__mfc_multi_tag_release (unsigned int first_tag, unsigned int number_of_tags) -{ - vector unsigned int table_copy, tmp, tmp1; - vector unsigned int one = (vector unsigned int) - { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; - vector unsigned int is_invalid; - unsigned int last_tag; - vector unsigned int has_been_reserved; - - last_tag = first_tag + number_of_tags; - - table_copy = spu_sl (one, number_of_tags); - table_copy = spu_rl (table_copy, -last_tag); - table_copy = spu_xor (table_copy, -1); - - /* Make sure the tags are in range and valid. */ - tmp = spu_cmpgt (spu_promote(last_tag, 0), 32); - tmp1 = spu_cmpgt (spu_promote(number_of_tags, 0), 32); - is_invalid = spu_cmpgt (spu_promote(first_tag, 0), 31); - - /* All bits are set to 1 if invalid, 0 if valid. */ - is_invalid = spu_or (tmp, is_invalid); - is_invalid = spu_or (tmp1, is_invalid); - - /* check whether these tags have been reserved */ - tmp = spu_rlmask (one, (int)-number_of_tags); - tmp1 = spu_sl (__mfc_tag_table, first_tag); - has_been_reserved = spu_cmpgt(tmp1, tmp); - - is_invalid = spu_or (has_been_reserved, is_invalid); - - table_copy = spu_sel (__mfc_tag_table, table_copy, table_copy); - __mfc_tag_table = spu_sel (table_copy, __mfc_tag_table, is_invalid); - - return spu_extract (is_invalid, 0); -} - diff --git a/libgcc/config/spu/mfc_multi_tag_reserve.c b/libgcc/config/spu/mfc_multi_tag_reserve.c deleted file mode 100644 index 598c14e..0000000 --- a/libgcc/config/spu/mfc_multi_tag_reserve.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Copyright (C) 2007-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include -extern vector unsigned int __mfc_tag_table; - -/* Reserve a sequential group of tags for exclusive use. The number of - tags to be reserved is specified by the parameter. - This routine returns the first tag ID for a sequential list of - available tags and marks them as reserved. The reserved group - of tags is in the range starting from the returned tag through - the returned tag + -1. - - If the number of tags requested exceeds the number of available - sequential tags, then MFC_DMA_TAG_INVALID is returned indicating - that the request could not be serviced. */ - -unsigned int -__mfc_multi_tag_reserve (unsigned int number_of_tags) -{ - vector unsigned int table_copy; - vector unsigned int one = (vector unsigned int) - { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; - vector unsigned int count_busy, is_valid; - vector unsigned int count_total; - vector unsigned int count_avail = (vector unsigned int) { 0, 0, 0, 0 }; - vector unsigned int index = (vector unsigned int) { 0, 0, 0, 0 }; - - table_copy = __mfc_tag_table; - - - /* count_busy: number of consecutive busy tags - count_avail: number of consecutive free tags - table_copy: temporary copy of the tag table - count_total: sum of count_busy and count_avail - index: index of the current working tag */ - do - { - table_copy = spu_sl (table_copy, count_avail); - - count_busy = spu_cntlz (table_copy); - table_copy = spu_sl (table_copy, count_busy); - count_avail = spu_cntlz (spu_xor(table_copy, -1)); - count_total = spu_add (count_busy, count_avail); - index = spu_add (index, count_total); - } - while (spu_extract (count_avail, 0) < number_of_tags - && spu_extract (table_copy, 0) != 0); - - index = spu_sub (index, count_avail); - - /* is_valid is set to 0xFFFFFFFF if table_copy == 0, 0 otherwise. */ - is_valid = spu_cmpeq (table_copy, 0); - index = spu_sel (index, is_valid, is_valid); - - /* Now I need to actually mark the tags as used. */ - table_copy = spu_sl (one, number_of_tags); - table_copy = spu_rl (table_copy, -number_of_tags - spu_extract (index, 0)); - table_copy = spu_sel (table_copy, __mfc_tag_table, table_copy); - __mfc_tag_table = spu_sel (table_copy, __mfc_tag_table, is_valid); - - return spu_extract (index, 0); -} - diff --git a/libgcc/config/spu/mfc_tag_release.c b/libgcc/config/spu/mfc_tag_release.c deleted file mode 100644 index 29e8bac..0000000 --- a/libgcc/config/spu/mfc_tag_release.c +++ /dev/null @@ -1,59 +0,0 @@ -/* Copyright (C) 2007-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include -extern vector unsigned int __mfc_tag_table; - -/* Release the specified DMA tag from exclusive use. Once released, the - tag is available for future reservation. Upon successful release, - MFC_DMA_TAG_VALID is returned. If the specified tag is not in the - range 0 to 31, or had not been reserved, no action is taken and - MFC_DMA_TAG_INVALID is returned. */ - -unsigned int -__mfc_tag_release (unsigned int tag) -{ - vector unsigned int is_invalid; - vector unsigned int mask = (vector unsigned int) - { 0x80000000, 0x80000000, 0x80000000, 0x80000000 }; - vector signed int zero = (vector signed int) { 0, 0, 0, 0 }; - - vector signed int has_been_reserved; - - /* Check if the tag is out of range. */ - is_invalid = spu_cmpgt (spu_promote (tag, 0), 31); - - /* Check whether the tag has been reserved, set to all 1 if has not - been reserved, 0 otherwise. */ - has_been_reserved = (vector signed int) spu_rl (__mfc_tag_table, tag); - has_been_reserved = (vector signed int) spu_cmpgt (zero, has_been_reserved); - - /* Set invalid. */ - is_invalid = spu_or ((vector unsigned int) has_been_reserved, is_invalid); - - mask = spu_rlmask (mask, (int)(-tag)); - __mfc_tag_table = spu_or (__mfc_tag_table, mask); - - return spu_extract(is_invalid, 0); -} - diff --git a/libgcc/config/spu/mfc_tag_reserve.c b/libgcc/config/spu/mfc_tag_reserve.c deleted file mode 100644 index e2e09da..0000000 --- a/libgcc/config/spu/mfc_tag_reserve.c +++ /dev/null @@ -1,51 +0,0 @@ -/* Copyright (C) 2007-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -#include -extern vector unsigned int __mfc_tag_table; - -/* Reserves a DMA tag for exclusive use. This routine returns an available - tag id in the range 0 to 31 and marks the tag as reserved. If no tags - are available, MFC_DMA_TAG_INVALID is returned indicating that all tags - are already reserved. */ - -unsigned int -__mfc_tag_reserve (void) -{ - vector unsigned int mask = (vector unsigned int) - { 0x80000000, 0x80000000, 0x80000000, 0x80000000 }; - vector unsigned int count_zeros, is_valid; - vector signed int count_neg; - - count_zeros = spu_cntlz (__mfc_tag_table); - count_neg = spu_sub (0, (vector signed int) count_zeros); - - mask = spu_rlmask (mask, (vector signed int) count_neg); - __mfc_tag_table = spu_andc (__mfc_tag_table, mask); - - is_valid = spu_cmpeq (count_zeros, 32); - count_zeros = spu_sel (count_zeros, is_valid, is_valid); - - return spu_extract (count_zeros, 0); -} - diff --git a/libgcc/config/spu/mfc_tag_table.c b/libgcc/config/spu/mfc_tag_table.c deleted file mode 100644 index 34a640a..0000000 --- a/libgcc/config/spu/mfc_tag_table.c +++ /dev/null @@ -1,39 +0,0 @@ -/* Copyright (C) 2007-2019 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 3, or (at your option) any later -version. - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -Under Section 7 of GPL version 3, you are granted additional -permissions described in the GCC Runtime Library Exception, version -3.1, as published by the Free Software Foundation. - -You should have received a copy of the GNU General Public License and -a copy of the GCC Runtime Library Exception along with this program; -see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -. */ - -/* The free tag table used by the MFC tag manager, with tag0 - reserved for the overlay manager. */ -__vector unsigned int -__mfc_tag_table = (__vector unsigned int) { 0x7FFFFFFF, -1, -1, -1 }; - -/* Arrange to release tag0 if overlays are not present. */ -static void __mfc_tag_init (void) __attribute__ ((constructor)); - -static void -__mfc_tag_init (void) -{ - extern void _ovly_table __attribute__ ((weak)); - - if (&_ovly_table == 0) - __mfc_tag_table = (__vector unsigned int) { -1, -1, -1, -1 }; -} diff --git a/libgcc/config/spu/multi3.c b/libgcc/config/spu/multi3.c deleted file mode 100644 index c582e46..0000000 --- a/libgcc/config/spu/multi3.c +++ /dev/null @@ -1,119 +0,0 @@ -/* Copyright (C) 2008-2019 Free Software Foundation, Inc. - - This file is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your option) - any later version. - - This file is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - . */ - -#include - -typedef int TItype __attribute__ ((mode (TI))); - -union qword_TItype - { - qword q; - TItype t; - }; - -inline static qword -si_from_TItype (TItype t) -{ - union qword_TItype u; - u.t = t; - return u.q; -} - -inline static TItype -si_to_TItype (qword q) -{ - union qword_TItype u; - u.q = q; - return u.t; -} - -/* A straight forward vectorization and unrolling of - * short l[8], r[8]; - * TItype total = 0; - * for (i = 0; i < 8; i++) - * for (j = 0; j < 8; j++) - * total += (TItype)((l[7-i] * r[7-j]) << (16 * (i + j))); - */ -TItype -__multi3 (TItype l, TItype r) -{ - qword u = si_from_TItype (l); - qword v = si_from_TItype (r); - qword splat0 = si_shufb (v, v, si_ilh (0x0001)); - qword splat1 = si_shufb (v, v, si_ilh (0x0203)); - qword splat2 = si_shufb (v, v, si_ilh (0x0405)); - qword splat3 = si_shufb (v, v, si_ilh (0x0607)); - qword splat4 = si_shufb (v, v, si_ilh (0x0809)); - qword splat5 = si_shufb (v, v, si_ilh (0x0a0b)); - qword splat6 = si_shufb (v, v, si_ilh (0x0c0d)); - qword splat7 = si_shufb (v, v, si_ilh (0x0e0f)); - - qword part0l = si_shlqbyi (si_mpyu (u, splat0), 14); - qword part1h = si_shlqbyi (si_mpyhhu (u, splat1), 14); - qword part1l = si_shlqbyi (si_mpyu (u, splat1), 12); - qword part2h = si_shlqbyi (si_mpyhhu (u, splat2), 12); - qword part2l = si_shlqbyi (si_mpyu (u, splat2), 10); - qword part3h = si_shlqbyi (si_mpyhhu (u, splat3), 10); - qword part3l = si_shlqbyi (si_mpyu (u, splat3), 8); - qword part4h = si_shlqbyi (si_mpyhhu (u, splat4), 8); - qword part4l = si_shlqbyi (si_mpyu (u, splat4), 6); - qword part5h = si_shlqbyi (si_mpyhhu (u, splat5), 6); - qword part5l = si_shlqbyi (si_mpyu (u, splat5), 4); - qword part6h = si_shlqbyi (si_mpyhhu (u, splat6), 4); - qword part6l = si_shlqbyi (si_mpyu (u, splat6), 2); - qword part7h = si_shlqbyi (si_mpyhhu (u, splat7), 2); - qword part7l = si_mpyu (u, splat7); - - qword carry, total0, total1, total2, total3, total4; - qword total5, total6, total7, total8, total9, total10; - qword total; - - total0 = si_a (si_a (si_a (part0l, part1h), si_a (part1l, part2h)), part7l); - total1 = si_a (part2l, part3h); - total2 = si_a (part3l, part4h); - total3 = si_a (part4l, part5h); - total4 = si_a (part5l, part6h); - total5 = si_a (part6l, part7h); - total6 = si_a (total0, total1); - total7 = si_a (total2, total3); - total8 = si_a (total4, total5); - total9 = si_a (total6, total7); - total10 = si_a (total8, total9); - - carry = si_cg (part2l, part3h); - carry = si_a (carry, si_cg (part3l, part4h)); - carry = si_a (carry, si_cg (part4l, part5h)); - carry = si_a (carry, si_cg (part5l, part6h)); - carry = si_a (carry, si_cg (part6l, part7h)); - carry = si_a (carry, si_cg (total0, total1)); - carry = si_a (carry, si_cg (total2, total3)); - carry = si_a (carry, si_cg (total4, total5)); - carry = si_a (carry, si_cg (total6, total7)); - carry = si_a (carry, si_cg (total8, total9)); - carry = si_shlqbyi (carry, 4); - - total = si_cg (total10, carry); - total = si_shlqbyi (total, 4); - total = si_cgx (total10, carry, total); - total = si_shlqbyi (total, 4); - total = si_addx (total10, carry, total); - return si_to_TItype (total); -} diff --git a/libgcc/config/spu/t-elf b/libgcc/config/spu/t-elf deleted file mode 100644 index 29536e8..0000000 --- a/libgcc/config/spu/t-elf +++ /dev/null @@ -1,59 +0,0 @@ -# Don't let CTOR_LIST end up in sdata section. -# FIXME: This is the default. -CRTSTUFF_T_CFLAGS = - -# We exclude those because the libgcc2.c default versions do not support -# the SPU single-precision format (round towards zero). We provide our -# own versions below and/or via direct expansion. -LIB2FUNCS_EXCLUDE = _floatdisf _floatundisf _floattisf _floatunstisf - -LIB2ADD_ST = $(srcdir)/config/spu/float_unssidf.c \ - $(srcdir)/config/spu/float_unsdidf.c \ - $(srcdir)/config/spu/float_unsdisf.c \ - $(srcdir)/config/spu/float_disf.c \ - $(srcdir)/config/spu/mfc_tag_table.c \ - $(srcdir)/config/spu/mfc_tag_reserve.c \ - $(srcdir)/config/spu/mfc_tag_release.c \ - $(srcdir)/config/spu/mfc_multi_tag_reserve.c \ - $(srcdir)/config/spu/mfc_multi_tag_release.c \ - $(srcdir)/config/spu/multi3.c \ - $(srcdir)/config/spu/divmodti4.c \ - $(srcdir)/config/spu/divv2df3.c - -# Build TImode conversion routines to support Fortran 128-bit -# integer data types. -LIB2_SIDITI_CONV_FUNCS = yes - -HOST_LIBGCC2_CFLAGS += -mwarn-reloc -D__IN_LIBGCC2 - -# Neither gcc or newlib seem to have a standard way to generate multiple -# crt*.o files. So we don't use the standard crt0.o name anymore. - -cachemgr.o: $(srcdir)/config/spu/cachemgr.c - $(gcc_compile) -c $< - -# Specialised rule to add a -D flag. -cachemgr_nonatomic.o: $(srcdir)/config/spu/cachemgr.c - $(gcc_compile) -DNONATOMIC -c $< - -libgcc_%.a: %.o - $(AR_FOR_TARGET) -rcs $@ $< - -cache8k.o: $(srcdir)/config/spu/cache.S - $(gcc_compile) -D__CACHE_SIZE__=8 -c $< - -cache16k.o: $(srcdir)/config/spu/cache.S - $(gcc_compile) -D__CACHE_SIZE__=16 -c $< - -cache32k.o: $(srcdir)/config/spu/cache.S - $(gcc_compile) -D__CACHE_SIZE__=32 -c $< - -cache64k.o: $(srcdir)/config/spu/cache.S - $(gcc_compile) -D__CACHE_SIZE__=64 -c $< - -cache128k.o: $(srcdir)/config/spu/cache.S - $(gcc_compile) -D__CACHE_SIZE__=128 -c $< - -# We provide our own version of __divdf3 that performs better and has -# better support for non-default rounding modes. -DPBIT_FUNCS := $(filter-out _div_df, $(DPBIT_FUNCS)) -- cgit v1.1