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(parent: 9f8d403) | patch
Win64: Stack alignment constraints aren't applied during SET_FPREG
authorDavid Majnemer <david.majnemer@gmail.com>
Sat, 21 Feb 2015 01:04:47 +0000 (01:04 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Sat, 21 Feb 2015 01:04:47 +0000 (01:04 +0000)
commite95985d3a080dcffd3cf0a51361b714a4965722e
tree591c3b0c44618c99396aaaa93916681d759e65cdtree | snapshot
parent9f8d4037a61e8e99738a3fe6a188ebefc8cda2c7commit | diff
Win64: Stack alignment constraints aren't applied during SET_FPREG

Stack realignment occurs after the prolog, not during, for Win64.
Because of this, don't factor in the maximum stack alignment when
establishing a frame pointer.

This fixes PR22572.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230113 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86FrameLowering.cpp diff | blob | history
test/CodeGen/X86/win64_eh.ll diff | blob | history
test/CodeGen/X86/win64_frame.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors