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Diffstat (limited to 'libgcc/config/i386/i386-asm.h')
| -rw-r--r-- | libgcc/config/i386/i386-asm.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libgcc/config/i386/i386-asm.h b/libgcc/config/i386/i386-asm.h new file mode 100644 index 00000000000..c613e9fd83d --- /dev/null +++ b/libgcc/config/i386/i386-asm.h @@ -0,0 +1,82 @@ +/* Defines common perprocessor and assembly macros for use by various stubs. + Copyright (C) 2016-2017 Free Software Foundation, Inc. + Contributed by Daniel Santos <daniel.santos@pobox.com> + +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 +<http://www.gnu.org/licenses/>. */ + +#ifndef I386_ASM_H +#define I386_ASM_H + +#ifdef __ELF__ +# define ELFFN(fn) .type fn,@function +#else +# define ELFFN(fn) +#endif + +#define FUNC_START(fn) \ + .global fn; \ + ELFFN (fn); \ +fn: + +#define HIDDEN_FUNC(fn)\ + FUNC_START (fn) \ + .hidden fn; \ + +#define FUNC_END(fn) .size fn,.-fn + +#ifdef __SSE2__ +# ifdef __AVX__ +# define MOVAPS vmovaps +# else +# define MOVAPS movaps +# endif + +/* Save SSE registers 6-15. off is the offset of rax to get to xmm6. */ +.macro SSE_SAVE off=0 + MOVAPS %xmm15,(\off - 0x90)(%rax) + MOVAPS %xmm14,(\off - 0x80)(%rax) + MOVAPS %xmm13,(\off - 0x70)(%rax) + MOVAPS %xmm12,(\off - 0x60)(%rax) + MOVAPS %xmm11,(\off - 0x50)(%rax) + MOVAPS %xmm10,(\off - 0x40)(%rax) + MOVAPS %xmm9, (\off - 0x30)(%rax) + MOVAPS %xmm8, (\off - 0x20)(%rax) + MOVAPS %xmm7, (\off - 0x10)(%rax) + MOVAPS %xmm6, \off(%rax) +.endm + +/* Restore SSE registers 6-15. off is the offset of rsi to get to xmm6. */ +.macro SSE_RESTORE off=0 + MOVAPS (\off - 0x90)(%rsi), %xmm15 + MOVAPS (\off - 0x80)(%rsi), %xmm14 + MOVAPS (\off - 0x70)(%rsi), %xmm13 + MOVAPS (\off - 0x60)(%rsi), %xmm12 + MOVAPS (\off - 0x50)(%rsi), %xmm11 + MOVAPS (\off - 0x40)(%rsi), %xmm10 + MOVAPS (\off - 0x30)(%rsi), %xmm9 + MOVAPS (\off - 0x20)(%rsi), %xmm8 + MOVAPS (\off - 0x10)(%rsi), %xmm7 + MOVAPS \off(%rsi), %xmm6 +.endm + +#endif /* __SSE2__ */ +#endif /* I386_ASM_H */ |