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| author | florian <florian@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2020-05-24 17:52:05 +0000 |
|---|---|---|
| committer | florian <florian@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2020-05-24 17:52:05 +0000 |
| commit | 115f8a1b407bd85ad049b1f7601ff5332395fcb0 (patch) | |
| tree | 65cf6da5371386757074ddd475ac354e8379a61e /compiler/x86_64 | |
| parent | 2bb58752f71ba2baccafa0f065e456274b922b46 (diff) | |
| download | fpc-115f8a1b407bd85ad049b1f7601ff5332395fcb0.tar.gz | |
+ x86: track use of full ymm registers and generate vzeroupper if needed
git-svn-id: https://svn.freepascal.org/svn/fpc/trunk@45484 3ad0048d-3df7-0310-abae-a5850022a9f2
Diffstat (limited to 'compiler/x86_64')
| -rw-r--r-- | compiler/x86_64/cgcpu.pas | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/x86_64/cgcpu.pas b/compiler/x86_64/cgcpu.pas index df755f0718..0310786856 100644 --- a/compiler/x86_64/cgcpu.pas +++ b/compiler/x86_64/cgcpu.pas @@ -423,7 +423,11 @@ unit cgcpu; list.concat(tai_regalloc.dealloc(current_procinfo.framepointer,nil)); end; + if pi_uses_ymm in current_procinfo.flags then + list.Concat(taicpu.op_none(A_VZEROUPPER)); + list.concat(Taicpu.Op_none(A_RET,S_NO)); + if (pi_has_unwind_info in current_procinfo.flags) then begin tcpuprocinfo(current_procinfo).dump_scopes(list); |