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-rw-r--r--gcc/config/v850/lib1funcs.asm1271
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diff --git a/gcc/config/v850/lib1funcs.asm b/gcc/config/v850/lib1funcs.asm
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+/* CYGNUS LOCAL entire file v850/law */
+/* libgcc1 routines for NEC V850.
+ Copyright (C) 1996, 1997 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC 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.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file with other programs, and to distribute
+those programs without any restriction coming from the use of this
+file. (The General Public License restrictions do apply in other
+respects; for example, they cover modification of the file, and
+distribution when not linked into another program.)
+
+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.
+
+You should have received a copy of the GNU General Public License
+along with this program; 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, if you link this library with files
+ compiled with GCC to produce an executable, this does not 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. */
+
+#ifdef L_mulsi3
+ .text
+ .globl ___mulsi3
+ .type ___mulsi3,@function
+
+/*
+ * In order to not deal with negative numbers (mulh is a signed multiply
+ * and we want an unsigned multiply, code the multiplication as a series
+ * of 7 bit multiplies).
+ *
+ * int __mulsi3 (unsigned a, unsigned b)
+ * {
+ * int i, j;
+ * int ret = 0;
+ *
+ * for (i = 0; i < 32; i += 7)
+ * {
+ * short a_part = a & 0x7f;
+ * unsigned b_tmp = b;
+ * a >>= 7;
+ *
+ * for (j = 0; (i+j) < 32; j += 7)
+ * {
+ * short b_part = b_tmp & 0x7f;
+ * ret += (((int)a_part) * ((int)b_part)) << (i+j);
+ * b_tmp >>= 7;
+ * }
+ * }
+ *
+ * return ret;
+ * }
+ */
+
+___mulsi3:
+ mov 0,r10 /* total */
+ mov 0,r14 /* i = 0, index for multiply a's part */
+ movea lo(31),r0,r16 /* upper bounds for loop */
+.L5:
+ mov r7,r13 /* b_tmp = b */
+ andi 0x7f,r6,r15 /* a_part = (a & 127) */
+ shr 7,r6 /* a >>= 7 */
+ mov r14,r12 /* i+j = i */
+.L9:
+ andi 0x7f,r13,r11 /* b_part = (b_tmp & 127) */
+ mulh r15,r11 /* ((int)a_part) * ((int)b_part) */
+ shr 7,r13 /* b_tmp >>= 7 */
+ shl r12,r11 /* (((int)a_part) * ((int)b_part)) << (i+j) */
+ add r11,r10 /* ret += (((int)a_part) * ((int)b_part)) << (i+j) */
+ add 7,r12 /* i+j += 7 */
+ cmp r16,r12 /* i+j < 32 */
+ ble .L9
+
+ add 7,r14 /* i += 7 */
+ cmp r16,r14 /* i < 32 */
+ ble .L5
+
+ jmp [r31] /* return */
+ .size __mulsi3,.-__mulsi3
+#endif
+
+#ifdef L_udivsi3
+ .global ___udivsi3
+___udivsi3:
+ mov 1,r12
+ mov 0,r10
+ cmp r6,r7
+ bnl .L12
+ movhi hi(-2147483648),r0,r13
+ cmp r0,r7
+ blt .L12
+.L4:
+ shl 1,r7
+ shl 1,r12
+ cmp r6,r7
+ bnl .L12
+ cmp r0,r12
+ be .L8
+ mov r7,r5
+ and r13,r5
+ be .L4
+ br .L12
+.L9:
+ cmp r7,r6
+ bl .L10
+ sub r7,r6
+ or r12,r10
+.L10:
+ shr 1,r12
+ shr 1,r7
+.L12:
+ cmp r0,r12
+ bne .L9
+.L8:
+ jmp [r31]
+ .size __udivsi3,.-__udivsi3
+#endif
+
+#ifdef L_divsi3
+ .text
+ .globl ___divsi3
+ .type ___divsi3,@function
+___divsi3:
+ add -8,sp
+ st.w r31,4[sp]
+ st.w r22,0[sp]
+ mov 1,r22
+ tst r7,r7
+ bp .L3
+ subr r0,r7
+ subr r0,r22
+.L3:
+ tst r6,r6
+ bp .L4
+ subr r0,r6
+ subr r0,r22
+.L4:
+ jarl ___udivsi3,r31
+ cmp r0,r22
+ bp .L7
+ subr r0,r10
+.L7:
+ ld.w 0[sp],r22
+ ld.w 4[sp],r31
+ add 8,sp
+ jmp [r31]
+ .size __divsi3,.-__divsi3
+#endif
+
+#ifdef L_umodsi3
+ .text
+ .globl ___umodsi3
+ .type ___umodsi3,@function
+___umodsi3:
+ add -12,sp
+ st.w r31,8[sp]
+ st.w r7,4[sp]
+ st.w r6,0[sp]
+ jarl ___udivsi3,r31
+ ld.w 4[sp],r7
+ mov r10,r6
+ jarl ___mulsi3,r31
+ ld.w 0[sp],r6
+ subr r6,r10
+ ld.w 8[sp],r31
+ add 12,sp
+ jmp [r31]
+ .size __umodsi3,.-__umodsi3
+#endif /* L_umodsi3 */
+
+#ifdef L_modsi3
+ .text
+ .globl ___modsi3
+ .type ___modsi3,@function
+___modsi3:
+ add -12,sp
+ st.w r31,8[sp]
+ st.w r7,4[sp]
+ st.w r6,0[sp]
+ jarl ___divsi3,r31
+ ld.w 4[sp],r7
+ mov r10,r6
+ jarl ___mulsi3,r31
+ ld.w 0[sp],r6
+ subr r6,r10
+ ld.w 8[sp],r31
+ add 12,sp
+ jmp [r31]
+ .size __modsi3,.-__modsi3
+#endif /* L_modsi3 */
+
+#ifdef L_save_2
+ .text
+ .align 2
+ .globl __save_r2_r29
+ .type __save_r2_r29,@function
+ /* Allocate space and save registers 2, 20 .. 29 on the stack */
+ /* Called via: jalr __save_r2_r29,r10 */
+__save_r2_r29:
+ mov ep,r1
+ addi -44,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ sst.w r24,20[ep]
+ sst.w r23,24[ep]
+ sst.w r22,28[ep]
+ sst.w r21,32[ep]
+ sst.w r20,36[ep]
+ sst.w r2,40[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r2_r29,.-__save_r2_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r2_r29 */
+ .align 2
+ .globl __return_r2_r29
+ .type __return_r2_r29,@function
+__return_r2_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ sld.w 20[ep],r24
+ sld.w 24[ep],r23
+ sld.w 28[ep],r22
+ sld.w 32[ep],r21
+ sld.w 36[ep],r20
+ sld.w 40[ep],r2
+ addi 44,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r2_r29,.-__return_r2_r29
+#endif /* L_save_2 */
+
+#ifdef L_save_20
+ .text
+ .align 2
+ .globl __save_r20_r29
+ .type __save_r20_r29,@function
+ /* Allocate space and save registers 20 .. 29 on the stack */
+ /* Called via: jalr __save_r20_r29,r10 */
+__save_r20_r29:
+ mov ep,r1
+ addi -40,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ sst.w r24,20[ep]
+ sst.w r23,24[ep]
+ sst.w r22,28[ep]
+ sst.w r21,32[ep]
+ sst.w r20,36[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r20_r29,.-__save_r20_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r20_r29 */
+ .align 2
+ .globl __return_r20_r29
+ .type __return_r20_r29,@function
+__return_r20_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ sld.w 20[ep],r24
+ sld.w 24[ep],r23
+ sld.w 28[ep],r22
+ sld.w 32[ep],r21
+ sld.w 36[ep],r20
+ addi 40,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r20_r29,.-__return_r20_r29
+#endif /* L_save_20 */
+
+#ifdef L_save_21
+ .text
+ .align 2
+ .globl __save_r21_r29
+ .type __save_r21_r29,@function
+ /* Allocate space and save registers 21 .. 29 on the stack */
+ /* Called via: jalr __save_r21_r29,r10 */
+__save_r21_r29:
+ mov ep,r1
+ addi -36,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ sst.w r24,20[ep]
+ sst.w r23,24[ep]
+ sst.w r22,28[ep]
+ sst.w r21,32[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r21_r29,.-__save_r21_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r21_r29 */
+ .align 2
+ .globl __return_r21_r29
+ .type __return_r21_r29,@function
+__return_r21_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ sld.w 20[ep],r24
+ sld.w 24[ep],r23
+ sld.w 28[ep],r22
+ sld.w 32[ep],r21
+ addi 36,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r21_r29,.-__return_r21_r29
+#endif /* L_save_21 */
+
+#ifdef L_save_22
+ .text
+ .align 2
+ .globl __save_r22_r29
+ .type __save_r22_r29,@function
+ /* Allocate space and save registers 22 .. 29 on the stack */
+ /* Called via: jalr __save_r22_r29,r10 */
+__save_r22_r29:
+ mov ep,r1
+ addi -32,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ sst.w r24,20[ep]
+ sst.w r23,24[ep]
+ sst.w r22,28[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r22_r29,.-__save_r22_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r22_r29 */
+ .align 2
+ .globl __return_r22_r29
+ .type __return_r22_r29,@function
+__return_r22_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ sld.w 20[ep],r24
+ sld.w 24[ep],r23
+ sld.w 28[ep],r22
+ addi 32,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r22_r29,.-__return_r22_r29
+#endif /* L_save_22 */
+
+#ifdef L_save_23
+ .text
+ .align 2
+ .globl __save_r23_r29
+ .type __save_r23_r29,@function
+ /* Allocate space and save registers 23 .. 29 on the stack */
+ /* Called via: jalr __save_r23_r29,r10 */
+__save_r23_r29:
+ mov ep,r1
+ addi -28,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ sst.w r24,20[ep]
+ sst.w r23,24[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r23_r29,.-__save_r23_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r23_r29 */
+ .align 2
+ .globl __return_r23_r29
+ .type __return_r23_r29,@function
+__return_r23_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ sld.w 20[ep],r24
+ sld.w 24[ep],r23
+ addi 28,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r23_r29,.-__return_r23_r29
+#endif /* L_save_23 */
+
+#ifdef L_save_24
+ .text
+ .align 2
+ .globl __save_r24_r29
+ .type __save_r24_r29,@function
+ /* Allocate space and save registers 24 .. 29 on the stack */
+ /* Called via: jalr __save_r24_r29,r10 */
+__save_r24_r29:
+ mov ep,r1
+ addi -24,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ sst.w r24,20[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r24_r29,.-__save_r24_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r24_r29 */
+ .align 2
+ .globl __return_r24_r29
+ .type __return_r24_r29,@function
+__return_r24_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ sld.w 20[ep],r24
+ addi 24,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r24_r29,.-__return_r24_r29
+#endif /* L_save_24 */
+
+#ifdef L_save_25
+ .text
+ .align 2
+ .globl __save_r25_r29
+ .type __save_r25_r29,@function
+ /* Allocate space and save registers 25 .. 29 on the stack */
+ /* Called via: jalr __save_r25_r29,r10 */
+__save_r25_r29:
+ mov ep,r1
+ addi -20,sp,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ sst.w r25,16[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r25_r29,.-__save_r25_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r25_r29 */
+ .align 2
+ .globl __return_r25_r29
+ .type __return_r25_r29,@function
+__return_r25_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ sld.w 16[ep],r25
+ addi 20,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r25_r29,.-__return_r25_r29
+#endif /* L_save_25 */
+
+#ifdef L_save_26
+ .text
+ .align 2
+ .globl __save_r26_r29
+ .type __save_r26_r29,@function
+ /* Allocate space and save registers 26 .. 29 on the stack */
+ /* Called via: jalr __save_r26_r29,r10 */
+__save_r26_r29:
+ mov ep,r1
+ add -16,sp
+ mov sp,ep
+ sst.w r29,0[ep]
+ sst.w r28,4[ep]
+ sst.w r27,8[ep]
+ sst.w r26,12[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r26_r29,.-__save_r26_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r26_r29 */
+ .align 2
+ .globl __return_r26_r29
+ .type __return_r26_r29,@function
+__return_r26_r29:
+ mov ep,r1
+ mov sp,ep
+ sld.w 0[ep],r29
+ sld.w 4[ep],r28
+ sld.w 8[ep],r27
+ sld.w 12[ep],r26
+ addi 16,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r26_r29,.-__return_r26_r29
+#endif /* L_save_26 */
+
+#ifdef L_save_27
+ .text
+ .align 2
+ .globl __save_r27_r29
+ .type __save_r27_r29,@function
+ /* Allocate space and save registers 27 .. 29 on the stack */
+ /* Called via: jalr __save_r27_r29,r10 */
+__save_r27_r29:
+ add -12,sp
+ st.w r29,0[sp]
+ st.w r28,4[sp]
+ st.w r27,8[sp]
+ jmp [r10]
+ .size __save_r27_r29,.-__save_r27_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r27_r29 */
+ .align 2
+ .globl __return_r27_r29
+ .type __return_r27_r29,@function
+__return_r27_r29:
+ ld.w 0[sp],r29
+ ld.w 4[sp],r28
+ ld.w 8[sp],r27
+ add 12,sp
+ jmp [r31]
+ .size __return_r27_r29,.-__return_r27_r29
+#endif /* L_save_27 */
+
+#ifdef L_save_28
+ .text
+ .align 2
+ .globl __save_r28_r29
+ .type __save_r28_r29,@function
+ /* Allocate space and save registers 28,29 on the stack */
+ /* Called via: jalr __save_r28_r29,r10 */
+__save_r28_r29:
+ add -8,sp
+ st.w r29,0[sp]
+ st.w r28,4[sp]
+ jmp [r10]
+ .size __save_r28_r29,.-__save_r28_r29
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r28_r29 */
+ .align 2
+ .globl __return_r28_r29
+ .type __return_r28_r29,@function
+__return_r28_r29:
+ ld.w 0[sp],r29
+ ld.w 4[sp],r28
+ add 8,sp
+ jmp [r31]
+ .size __return_r28_r29,.-__return_r28_r29
+#endif /* L_save_28 */
+
+#ifdef L_save_29
+ .text
+ .align 2
+ .globl __save_r29
+ .type __save_r29,@function
+ /* Allocate space and save register 29 on the stack */
+ /* Called via: jalr __save_r29,r10 */
+__save_r29:
+ add -4,sp
+ st.w r29,0[sp]
+ jmp [r10]
+ .size __save_r29,.-__save_r29
+
+ /* Restore saved register 29, deallocate stack and return to the user */
+ /* Called via: jr __return_r29 */
+ .align 2
+ .globl __return_r29
+ .type __return_r29,@function
+__return_r29:
+ ld.w 0[sp],r29
+ add 4,sp
+ jmp [r31]
+ .size __return_r29,.-__return_r29
+#endif /* L_save_28 */
+
+#ifdef L_save_2c
+ .text
+ .align 2
+ .globl __save_r2_r31
+ .type __save_r2_r31,@function
+ /* Allocate space and save registers 20 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r2_r31,r10 */
+__save_r2_r31:
+ mov ep,r1
+ addi -64,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r24,36[ep]
+ sst.w r23,40[ep]
+ sst.w r22,44[ep]
+ sst.w r21,48[ep]
+ sst.w r20,52[ep]
+ sst.w r2,56[ep]
+ sst.w r31,60[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r2_r31,.-__save_r2_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r20_r31 */
+ .align 2
+ .globl __return_r2_r31
+ .type __return_r2_r31,@function
+__return_r2_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r24
+ sld.w 40[ep],r23
+ sld.w 44[ep],r22
+ sld.w 48[ep],r21
+ sld.w 52[ep],r20
+ sld.w 56[ep],r2
+ sld.w 60[ep],r31
+ addi 64,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r2_r31,.-__return_r2_r31
+#endif /* L_save_2c */
+
+#ifdef L_save_20c
+ .text
+ .align 2
+ .globl __save_r20_r31
+ .type __save_r20_r31,@function
+ /* Allocate space and save registers 20 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r20_r31,r10 */
+__save_r20_r31:
+ mov ep,r1
+ addi -60,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r24,36[ep]
+ sst.w r23,40[ep]
+ sst.w r22,44[ep]
+ sst.w r21,48[ep]
+ sst.w r20,52[ep]
+ sst.w r31,56[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r20_r31,.-__save_r20_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r20_r31 */
+ .align 2
+ .globl __return_r20_r31
+ .type __return_r20_r31,@function
+__return_r20_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r24
+ sld.w 40[ep],r23
+ sld.w 44[ep],r22
+ sld.w 48[ep],r21
+ sld.w 52[ep],r20
+ sld.w 56[ep],r31
+ addi 60,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r20_r31,.-__return_r20_r31
+#endif /* L_save_20c */
+
+#ifdef L_save_21c
+ .text
+ .align 2
+ .globl __save_r21_r31
+ .type __save_r21_r31,@function
+ /* Allocate space and save registers 21 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r21_r31,r10 */
+__save_r21_r31:
+ mov ep,r1
+ addi -56,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r24,36[ep]
+ sst.w r23,40[ep]
+ sst.w r22,44[ep]
+ sst.w r21,48[ep]
+ sst.w r31,52[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r21_r31,.-__save_r21_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r21_r31 */
+ .align 2
+ .globl __return_r21_r31
+ .type __return_r21_r31,@function
+__return_r21_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r24
+ sld.w 40[ep],r23
+ sld.w 44[ep],r22
+ sld.w 48[ep],r21
+ sld.w 52[ep],r31
+ addi 56,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r21_r31,.-__return_r21_r31
+#endif /* L_save_21c */
+
+#ifdef L_save_22c
+ .text
+ .align 2
+ .globl __save_r22_r31
+ .type __save_r22_r31,@function
+ /* Allocate space and save registers 22 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r22_r31,r10 */
+__save_r22_r31:
+ mov ep,r1
+ addi -52,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r24,36[ep]
+ sst.w r23,40[ep]
+ sst.w r22,44[ep]
+ sst.w r31,48[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r22_r31,.-__save_r22_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r22_r31 */
+ .align 2
+ .globl __return_r22_r31
+ .type __return_r22_r31,@function
+__return_r22_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r24
+ sld.w 40[ep],r23
+ sld.w 44[ep],r22
+ sld.w 48[ep],r31
+ addi 52,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r22_r31,.-__return_r22_r31
+#endif /* L_save_22c */
+
+#ifdef L_save_23c
+ .text
+ .align 2
+ .globl __save_r23_r31
+ .type __save_r23_r31,@function
+ /* Allocate space and save registers 23 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r23_r31,r10 */
+__save_r23_r31:
+ mov ep,r1
+ addi -48,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r24,36[ep]
+ sst.w r23,40[ep]
+ sst.w r31,44[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r23_r31,.-__save_r23_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r23_r31 */
+ .align 2
+ .globl __return_r23_r31
+ .type __return_r23_r31,@function
+__return_r23_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r24
+ sld.w 40[ep],r23
+ sld.w 44[ep],r31
+ addi 48,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r23_r31,.-__return_r23_r31
+#endif /* L_save_23c */
+
+#ifdef L_save_24c
+ .text
+ .align 2
+ .globl __save_r24_r31
+ .type __save_r24_r31,@function
+ /* Allocate space and save registers 24 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r24_r31,r10 */
+__save_r24_r31:
+ mov ep,r1
+ addi -44,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r24,36[ep]
+ sst.w r31,40[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r24_r31,.-__save_r24_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r24_r31 */
+ .align 2
+ .globl __return_r24_r31
+ .type __return_r24_r31,@function
+__return_r24_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r24
+ sld.w 40[ep],r31
+ addi 44,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r24_r31,.-__return_r24_r31
+#endif /* L_save_24c */
+
+#ifdef L_save_25c
+ .text
+ .align 2
+ .globl __save_r25_r31
+ .type __save_r25_r31,@function
+ /* Allocate space and save registers 25 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r25_r31,r10 */
+__save_r25_r31:
+ mov ep,r1
+ addi -40,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r25,32[ep]
+ sst.w r31,36[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r25_r31,.-__save_r25_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r25_r31 */
+ .align 2
+ .globl __return_r25_r31
+ .type __return_r25_r31,@function
+__return_r25_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r25
+ sld.w 36[ep],r31
+ addi 40,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r25_r31,.-__return_r25_r31
+#endif /* L_save_25c */
+
+#ifdef L_save_26c
+ .text
+ .align 2
+ .globl __save_r26_r31
+ .type __save_r26_r31,@function
+ /* Allocate space and save registers 26 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r26_r31,r10 */
+__save_r26_r31:
+ mov ep,r1
+ addi -36,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r26,28[ep]
+ sst.w r31,32[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r26_r31,.-__save_r26_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r26_r31 */
+ .align 2
+ .globl __return_r26_r31
+ .type __return_r26_r31,@function
+__return_r26_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r26
+ sld.w 32[ep],r31
+ addi 36,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r26_r31,.-__return_r26_r31
+#endif /* L_save_26c */
+
+#ifdef L_save_27c
+ .text
+ .align 2
+ .globl __save_r27_r31
+ .type __save_r27_r31,@function
+ /* Allocate space and save registers 27 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r27_r31,r10 */
+__save_r27_r31:
+ mov ep,r1
+ addi -32,sp,sp
+ mov sp,ep
+ sst.w r29,16[ep]
+ sst.w r28,20[ep]
+ sst.w r27,24[ep]
+ sst.w r31,28[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r27_r31,.-__save_r27_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r27_r31 */
+ .align 2
+ .globl __return_r27_r31
+ .type __return_r27_r31,@function
+__return_r27_r31:
+ mov ep,r1
+ mov sp,ep
+ sld.w 16[ep],r29
+ sld.w 20[ep],r28
+ sld.w 24[ep],r27
+ sld.w 28[ep],r31
+ addi 32,sp,sp
+ mov r1,ep
+ jmp [r31]
+ .size __return_r27_r31,.-__return_r27_r31
+#endif /* L_save_27c */
+
+#ifdef L_save_28c
+ .text
+ .align 2
+ .globl __save_r28_r31
+ .type __save_r28_r31,@function
+ /* Allocate space and save registers 28 .. 29, 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r28_r31,r10 */
+__save_r28_r31:
+ addi -28,sp,sp
+ st.w r29,16[sp]
+ st.w r28,20[sp]
+ st.w r31,24[sp]
+ jmp [r10]
+ .size __save_r28_r31,.-__save_r28_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r28_r31 */
+ .align 2
+ .globl __return_r28_r31
+ .type __return_r28_r31,@function
+__return_r28_r31:
+ ld.w 16[sp],r29
+ ld.w 20[sp],r28
+ ld.w 24[sp],r31
+ addi 28,sp,sp
+ jmp [r31]
+ .size __return_r28_r31,.-__return_r28_r31
+#endif /* L_save_28c */
+
+#ifdef L_save_29c
+ .text
+ .align 2
+ .globl __save_r29_r31
+ .type __save_r29_r31,@function
+ /* Allocate space and save registers 29 & 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r29_r31,r10 */
+__save_r29_r31:
+ addi -24,sp,sp
+ st.w r29,16[sp]
+ st.w r31,20[sp]
+ jmp [r10]
+ .size __save_r29_r31,.-__save_r29_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r29_r31 */
+ .align 2
+ .globl __return_r29_r31
+ .type __return_r29_r31,@function
+__return_r29_r31:
+ ld.w 16[sp],r29
+ ld.w 20[sp],r31
+ addi 24,sp,sp
+ jmp [r31]
+ .size __return_r29_r31,.-__return_r29_r31
+#endif /* L_save_29c */
+
+#ifdef L_save_31c
+ .text
+ .align 2
+ .globl __save_r31
+ .type __save_r31,@function
+ /* Allocate space and save register 31 on the stack */
+ /* Also allocate space for the argument save area */
+ /* Called via: jalr __save_r29_r31,r10 */
+__save_r31:
+ addi -20,sp,sp
+ st.w r31,16[sp]
+ jmp [r10]
+ .size __save_r31,.-__save_r31
+
+ /* Restore saved registers, deallocate stack and return to the user */
+ /* Called via: jr __return_r31 */
+ .align 2
+ .globl __return_r31
+ .type __return_r31,@function
+__return_r31:
+ ld.w 16[sp],r31
+ addi 20,sp,sp
+ jmp [r31]
+ .size __return_r29_r31,.-__return_r29_r31
+#endif /* L_save_31c */
+
+#ifdef L_save_varargs
+ .text
+ .align 2
+ .globl __save_r6_r9
+ .type __save_r6_r9,@function
+ /* Save registers 6 .. 9 on the stack for variable argument functions */
+ /* Called via: jalr __save_r6_r9,r10 */
+__save_r6_r9:
+ mov ep,r1
+ mov sp,ep
+ sst.w r6,0[ep]
+ sst.w r7,4[ep]
+ sst.w r8,8[ep]
+ sst.w r9,12[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_r6_r9,.-__save_r6_r9
+#endif /* L_save_varargs */
+
+#ifdef L_save_interrupt
+ .text
+ .align 2
+ .globl __save_interrupt
+ .type __save_interrupt,@function
+ /* Save registers r1, r5 on stack and load up with expected values */
+ /* Note, 12 bytes of stack have already been allocated. */
+ /* Called via: jalr __save_interrupt,r10 */
+__save_interrupt:
+ st.w ep,0[sp]
+ st.w gp,4[sp]
+ st.w r1,8[sp]
+ movhi hi(__ep),r0,ep
+ movea lo(__ep),ep,ep
+ movhi hi(__gp),r0,gp
+ movea lo(__gp),gp,gp
+ jmp [r10]
+ .size __save_interrupt,.-__save_interrupt
+
+ /* Restore saved registers, deallocate stack and return from the interrupt */
+ /* Called via: jr __return_interupt */
+ .align 2
+ .globl __return_interrupt
+ .type __return_interrupt,@function
+__return_interrupt:
+ ld.w 0[sp],ep
+ ld.w 4[sp],gp
+ ld.w 8[ep],r1
+ ld.w 12[ep],r10
+ add 12,sp
+ reti
+ .size __return_interrupt,.-__return_interrupt
+#endif /* L_save_interrupt */
+
+#ifdef L_save_all_interrupt
+ .text
+ .align 2
+ .globl __save_all_interrupt
+ .type __save_all_interrupt,@function
+ /* Save all registers except for those saved in __save_interrupt */
+ /* allocate enough stack for all of the registers & 16 bytes of space */
+ /* Called via: jalr __save_all_interrupt,r10 */
+__save_all_interrupt:
+ addi -120,sp,sp
+ mov ep,r1
+ mov sp,ep
+ sst.w r31,116[ep]
+ sst.w r2,112[ep]
+ sst.w gp,108[ep]
+ sst.w r6,104[ep]
+ sst.w r7,100[ep]
+ sst.w r8,96[ep]
+ sst.w r9,92[ep]
+ sst.w r11,88[ep]
+ sst.w r12,84[ep]
+ sst.w r13,80[ep]
+ sst.w r14,76[ep]
+ sst.w r15,72[ep]
+ sst.w r16,68[ep]
+ sst.w r17,64[ep]
+ sst.w r18,60[ep]
+ sst.w r19,56[ep]
+ sst.w r20,52[ep]
+ sst.w r21,48[ep]
+ sst.w r22,44[ep]
+ sst.w r23,40[ep]
+ sst.w r24,36[ep]
+ sst.w r25,32[ep]
+ sst.w r26,28[ep]
+ sst.w r27,24[ep]
+ sst.w r28,20[ep]
+ sst.w r29,16[ep]
+ mov r1,ep
+ jmp [r10]
+ .size __save_all_interrupt,.-__save_all_interrupt
+
+ .globl __restore_all_interrupt
+ .type __restore_all_interrupt,@function
+ /* Restore all registers saved in __save_all_interrupt */
+ /* & deallocate the stack space */
+ /* Called via: jalr __restore_all_interrupt,r10 */
+__restore_all_interrupt:
+ mov ep,r1
+ mov sp,ep
+ sld.w 116[ep],r31
+ sld.w 112[ep],r2
+ sld.w 108[ep],gp
+ sld.w 104[ep],r6
+ sld.w 100[ep],r7
+ sld.w 96[ep],r8
+ sld.w 92[ep],r9
+ sld.w 88[ep],r11
+ sld.w 84[ep],r12
+ sld.w 80[ep],r13
+ sld.w 76[ep],r14
+ sld.w 72[ep],r15
+ sld.w 68[ep],r16
+ sld.w 64[ep],r17
+ sld.w 60[ep],r18
+ sld.w 56[ep],r19
+ sld.w 52[ep],r20
+ sld.w 48[ep],r21
+ sld.w 44[ep],r22
+ sld.w 40[ep],r23
+ sld.w 36[ep],r24
+ sld.w 32[ep],r25
+ sld.w 28[ep],r26
+ sld.w 24[ep],r27
+ sld.w 20[ep],r28
+ sld.w 16[ep],r29
+ mov r1,ep
+ addi 120,sp,sp
+ jmp [r10]
+ .size __restore_all_interrupt,.-__restore_all_interrupt
+#endif /* L_save_all_interrupt */
+/* END CYGNUS LOCAL */
generated by cgit v1.1 at 2025-02-25 14:15:55 +0000