Paul Gofman : ntdll: Don't transfer xmm registers explicitly during context save and restore on x64.
Module: wine Branch: master Commit: f332f2e4e28e9618e7b4a65e9352915cf9772e93 URL: https://source.winehq.org/git/wine.git/?a=commit;h=f332f2e4e28e9618e7b4a65e9... Author: Paul Gofman <pgofman(a)codeweavers.com> Date: Tue Aug 18 02:11:59 2020 +0300 ntdll: Don't transfer xmm registers explicitly during context save and restore on x64. fxsave / fxrstor already do that. Signed-off-by: Paul Gofman <pgofman(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/ntdll/signal_x86_64.c | 18 +----------------- dlls/ntdll/unix/signal_x86_64.c | 18 +----------------- 2 files changed, 2 insertions(+), 34 deletions(-) diff --git a/dlls/ntdll/signal_x86_64.c b/dlls/ntdll/signal_x86_64.c index faf24b93b5..40ed53c10d 100644 --- a/dlls/ntdll/signal_x86_64.c +++ b/dlls/ntdll/signal_x86_64.c @@ -340,23 +340,7 @@ __ASM_GLOBAL_FUNC( RtlCaptureContext, "movq %r15,0xf0(%rcx)\n\t" /* context->R15 */ "movq (%rsp),%rax\n\t" "movq %rax,0xf8(%rcx)\n\t" /* context->Rip */ - "fxsave 0x100(%rcx)\n\t" /* context->FtlSave */ - "movdqa %xmm0,0x1a0(%rcx)\n\t" /* context->Xmm0 */ - "movdqa %xmm1,0x1b0(%rcx)\n\t" /* context->Xmm1 */ - "movdqa %xmm2,0x1c0(%rcx)\n\t" /* context->Xmm2 */ - "movdqa %xmm3,0x1d0(%rcx)\n\t" /* context->Xmm3 */ - "movdqa %xmm4,0x1e0(%rcx)\n\t" /* context->Xmm4 */ - "movdqa %xmm5,0x1f0(%rcx)\n\t" /* context->Xmm5 */ - "movdqa %xmm6,0x200(%rcx)\n\t" /* context->Xmm6 */ - "movdqa %xmm7,0x210(%rcx)\n\t" /* context->Xmm7 */ - "movdqa %xmm8,0x220(%rcx)\n\t" /* context->Xmm8 */ - "movdqa %xmm9,0x230(%rcx)\n\t" /* context->Xmm9 */ - "movdqa %xmm10,0x240(%rcx)\n\t" /* context->Xmm10 */ - "movdqa %xmm11,0x250(%rcx)\n\t" /* context->Xmm11 */ - "movdqa %xmm12,0x260(%rcx)\n\t" /* context->Xmm12 */ - "movdqa %xmm13,0x270(%rcx)\n\t" /* context->Xmm13 */ - "movdqa %xmm14,0x280(%rcx)\n\t" /* context->Xmm14 */ - "movdqa %xmm15,0x290(%rcx)\n\t" /* context->Xmm15 */ + "fxsave 0x100(%rcx)\n\t" /* context->FltSave */ "ret" ); /****************************************************************************** diff --git a/dlls/ntdll/unix/signal_x86_64.c b/dlls/ntdll/unix/signal_x86_64.c index a1918908fc..6f01b76c5a 100644 --- a/dlls/ntdll/unix/signal_x86_64.c +++ b/dlls/ntdll/unix/signal_x86_64.c @@ -1507,23 +1507,7 @@ __ASM_GLOBAL_FUNC( set_full_cpu_context, "movq 0xf0(%rdi),%r15\n\t" /* context->R15 */ "movq 0xf8(%rdi),%rax\n\t" /* context->Rip */ "movq %rax,(%rsp)\n\t" - "fxrstor 0x100(%rdi)\n\t" /* context->FtlSave */ - "movdqa 0x1a0(%rdi),%xmm0\n\t" /* context->Xmm0 */ - "movdqa 0x1b0(%rdi),%xmm1\n\t" /* context->Xmm1 */ - "movdqa 0x1c0(%rdi),%xmm2\n\t" /* context->Xmm2 */ - "movdqa 0x1d0(%rdi),%xmm3\n\t" /* context->Xmm3 */ - "movdqa 0x1e0(%rdi),%xmm4\n\t" /* context->Xmm4 */ - "movdqa 0x1f0(%rdi),%xmm5\n\t" /* context->Xmm5 */ - "movdqa 0x200(%rdi),%xmm6\n\t" /* context->Xmm6 */ - "movdqa 0x210(%rdi),%xmm7\n\t" /* context->Xmm7 */ - "movdqa 0x220(%rdi),%xmm8\n\t" /* context->Xmm8 */ - "movdqa 0x230(%rdi),%xmm9\n\t" /* context->Xmm9 */ - "movdqa 0x240(%rdi),%xmm10\n\t" /* context->Xmm10 */ - "movdqa 0x250(%rdi),%xmm11\n\t" /* context->Xmm11 */ - "movdqa 0x260(%rdi),%xmm12\n\t" /* context->Xmm12 */ - "movdqa 0x270(%rdi),%xmm13\n\t" /* context->Xmm13 */ - "movdqa 0x280(%rdi),%xmm14\n\t" /* context->Xmm14 */ - "movdqa 0x290(%rdi),%xmm15\n\t" /* context->Xmm15 */ + "fxrstor 0x100(%rdi)\n\t" /* context->FltSave */ "movq 0x78(%rdi),%rax\n\t" /* context->Rax */ "movq 0xb0(%rdi),%rdi\n\t" /* context->Rdi */ "iretq" );
participants (1)
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Alexandre Julliard