Introduce sh4a support.

gcc/ChangeLog:
Introduce sh4a support.
* config.gcc: Handle sh4a multilibs and cpu selection.
* config/sh/sh.h: Likewise.  Handle sh4a command line flags.
* config/sh/t-mlib-sh4a: New.
* config/sh/t-mlib-sh4al: New.
* config/sh/t-mlib-sh4a-nofpu: New.
* config/sh/t-mlib-sh4a-single: New.
* config/sh/t-mlib-sh4a-single-only: New.
2004-02-20  DJ Delorie  <dj@redhat.com>
* config/sh/sh.md ("movua"): Change constraint from "m" to "Sua".
* config/sh/sh.h (EXTRA_CONSTRAINT_S): Add "Sua" support.
2003-08-22  Eric Christopher  <echristo@redhat.com>
* config/sh/sh4a.md: Update for chip errata.
2003-08-07  Eric Christopher  <echristo@redhat.com>
* config/sh/sh4a.md: New file. sh4a processor description.
2003-07-08  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (TARGET_SWITCHES): Added 4al.  Adjust description
of -m4a-nofpu.
(SH_ASM_SPEC): Pass -dsp for -m4al, not -m4a-nofpu.
* config/sh/t-sh (MULTILIB_MATCHES): Map -m4al to -m4a-nofpu.
* doc/invoke.texi (SH Options): Document -m4al.
2003-07-03  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (expand_block_move): Remove commented-out code
checked in by mistake.
(sh_cannot_change_mode_class): Enable SUBREGs to be used to select
single elements from SFmode vectors.
* config/sh/sh.md (fsca): Use VEC_CONCAT to initialize the output
register.
(sinsf2, cossf2, sindf2, cosdf2): Don't emit CLOBBER.
2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.h (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): Remove variable declarations.
* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): New functions.
(sh_fsca_sf2int_rtx, sh_fsca_df2int_rtx,
sh_fsca_int2sf_rtx): New static variables.
* config/sh/sh-protos.h (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): Declare.
* config/sh/sh.md: Adjust.
* doc/invoke.texi (SH Options): Document new options.
* config/sh/lib1funcs.asm (ic_invalidate): Remove SH4a forward
compatibility from SH4 code.
2003-06-27  Alexandre Oliva  <aoliva@redhat.com>
* config/sh/sh.c (expand_block_move): Don't emit POST_INC too
early.
(memory_movsrc_operand): Renamed to...
(unaligned_load_operand): ... this.  Simplified.
* config/sh/sh.h (PREDICATE_CODES): Adjust.
* config/sh/sh.md (movua, extv, extzv): Likewise.  Change movua's
input operand to SImode, and adjust the others.  Introduce
post-increment by peephole.
* config/sh/sh.c (expand_block_move): Give the target address the
same mode as the temp reg.
* config/sh/sh.c (expand_block_move): Use a temp reg for unaligned
copying.
2003-06-26  Alexandre Oliva  <aoliva@redhat.com>
Introduce support for SH4a.
* config/sh/lib1funcs.asm (ic_invalidate): Use icbi if
__SH4A__.  Emit 4 4kb blocks and touch all of them otherwise.
* config/sh/sh.c (sh_fsca_sf2int, sh_fsca_df2int,
sh_fsca_int2sf): New.
(sh_init_builtins): Initialize them.
(print_operand): Support `d'.
(expand_block_move): Use movua if src is misaligned.
(memory_movsrc_operand): New.
* config/sh/sh.h (TARGET_CPU_CPP_BUILTINS): Define __SH4A__
and one of the SH4 macros.
(SH4A_BIT, TARGET_SH4A_ARCH, TARGET_SH4A_FP,
SELECT_SH4A_NOFPU, SELECT_SH4A_SINGLE_ONLY, SELECT_SH4A,
SELECT_SH4A_SINGLE): New.
(TARGET_NONE): Add SH4A_BIT.
(TARGET_SWITCHES): Add 4a-single-only, 4a-single, 4a-nofpu and 4a.
(SH_ASM_SPEC): Pass -dsp if -m4a-nofpu.
(sh_fsca_sf2int, sh_fsca_df2int, sh_fsca_int2sf): Declare.
(OVERRIDE_OPTIONS): Set cpu to CPU_SH4A when appropriate.
(enum processor_type): Added PROCESSOR_SH4A.
(PREDICATE_CODES): Add memory_movsrc_operand.
* config/sh/sh.md: Removed unused variables.
(attr cpu): Add sh4a.
(attr type): Add movua, fsrra and fsca.
(prefetch): New, for SH4.
(ic_invalidate_line, ic_invalidate_line_sh4a): Use icbi.
(toggle_sz): Set type to fp.
(toggle_pr, rsqrtsf2, fsca, sinsf2, cossf2, sindf2, cosdf2): New.
(movua, extv, extzv): New.
* config/sh/t-sh: Add multilibs for 4a, 4a-nofpu, 4a-single
and 4a-single-only.
gcc/testsuite/ChangeLog:
2003-07-06  Alexandre Oliva  <aoliva@redhat.com>
* gcc.dg/sh4a-memmovua.c: Tweak regular expression.
2003-07-01  Alexandre Oliva  <aoliva@redhat.com>
* gcc.dg/sh4a-bitmovua.c: New.
* gcc.dg/sh4a-cos.c: New.
* gcc.dg/sh4a-cosf.c: New.
* gcc.dg/sh4a-fprun.c: New.
* gcc.dg/sh4a-fsrra.c: New.
* gcc.dg/sh4a-memmovua.c: New.
* gcc.dg/sh4a-sin.c: New.
* gcc.dg/sh4a-sincos.c: New.
* gcc.dg/sh4a-sincosf.c: New.
* gcc.dg/sh4a-sinf.c: New.
libstdc++-v3/ChangeLog:
2003-10-01  Eric Christopher  <echristo@redhat.com>
* config/cpu/sh/atomicity.h (__exchange_and_add): Remove 'm'
constraint.
2003-07-09  Alexandre Oliva  <aoliva@redhat.com>
* config/cpu/sh/atomicity.h: New.  Use movli and movco on SH4a.

From-SVN: r85257

1 files changed, 123 insertions, 0 deletions

diff --git a/libstdc++-v3/config/cpu/sh/atomicity.h b/libstdc++-v3/config/cpu/sh/atomicity.h
new file mode 100644
index 0000000..b7d6c60
--- /dev/null
+++ b/libstdc++-v3/config/cpu/sh/atomicity.h
@@ -0,0 +1,123 @@
+// Low-level functions for atomic operations: Generic version  -*- C++ -*-
+
+// Copyright (C) 1999, 2001, 2002, 2003 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library 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 2, or (at your option)
+// any later version.
+
+// This library 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.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+#ifndef _BITS_ATOMICITY_H
+#define _BITS_ATOMICITY_H	1
+
+#ifdef __SH4A__
+
+typedef int _Atomic_word;
+
+static inline _Atomic_word
+__attribute__ ((__unused__))
+__exchange_and_add (volatile _Atomic_word* __mem, int __val)
+{
+  _Atomic_word __result;
+
+  __asm__ __volatile__
+    ("0:\n"
+     "\tmovli.l\t@%2,r0\n"
+     "\tmov\tr0,%1\n"
+     "\tadd\t%3,r0\n"
+     "\tmovco.l\tr0,@%2\n"
+     "\tbf\t0b"
+     : "+m" (*__mem), "=r" (__result)
+     : "r" (__mem), "rI08" (__val)
+     : "r0");
+
+  return __result;
+}
+
+
+static inline void
+__attribute__ ((__unused__))
+__atomic_add (volatile _Atomic_word* __mem, int __val)
+{
+  asm("0:\n"
+      "\tmovli.l\t@%1,r0\n"
+      "\tadd\t%2,r0\n"
+      "\tmovco.l\tr0,@%1\n"
+      "\tbf\t0b"
+      : "+m" (*__mem)
+      : "r" (__mem), "rI08" (__val)
+      : "r0");
+}
+
+#else
+
+/* This is generic/atomicity.h */
+
+#include <bits/gthr.h>
+
+#define _GLIBCPP_NEED_GENERIC_MUTEX
+
+typedef int _Atomic_word;
+
+namespace __gnu_cxx
+{
+  extern __gthread_mutex_t _Atomic_add_mutex;
+
+#ifndef __GTHREAD_MUTEX_INIT
+  extern __gthread_once_t _Atomic_add_mutex_once;
+  extern void __gthread_atomic_add_mutex_once();
+#endif
+}
+
+static inline _Atomic_word
+__attribute__ ((__unused__))
+__exchange_and_add (volatile _Atomic_word* __mem, int __val)
+{
+#ifndef __GTHREAD_MUTEX_INIT
+  __gthread_once (&__gnu_cxx::_Atomic_add_mutex_once,
+                  __gnu_cxx::__gthread_atomic_add_mutex_once);
+#endif
+
+  _Atomic_word __result;
+
+  __gthread_mutex_lock (&__gnu_cxx::_Atomic_add_mutex);
+
+  __result = *__mem;
+  *__mem += __val;
+
+  __gthread_mutex_unlock (&__gnu_cxx::_Atomic_add_mutex);
+  return __result;
+}
+
+
+static inline void
+__attribute__ ((__unused__))
+__atomic_add (volatile _Atomic_word* __mem, int __val)
+{
+  (void) __exchange_and_add (__mem, __val);
+}
+
+
+#endif
+
+#endif /* atomicity.h */