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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@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2020-08-18 02:11:59 +03:00 committed by Alexandre Julliard
parent 525e7078a8
commit f332f2e4e2
2 changed files with 2 additions and 34 deletions
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18
dlls/ntdll/signal_x86_64.c
View File

@ -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" );
/******************************************************************************

18
dlls/ntdll/unix/signal_x86_64.c
View File

@ -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" );