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(parent: f3011b9) | patch
Use an offset from TOS for idempotent rmw locked op lowering
authorPhilip Reames <listmail@philipreames.com>
Tue, 14 May 2019 22:32:42 +0000 (22:32 +0000)
committerPhilip Reames <listmail@philipreames.com>
Tue, 14 May 2019 22:32:42 +0000 (22:32 +0000)
commit445f942fc49821b2c0964f595c9d9fc8f9177308
tree11c08a47af761b2ebb900405a6270ca6139abb37tree | snapshot
parentf3011b9b106b2d0961d5a825823e8fcc711e0abecommit | diff
Use an offset from TOS for idempotent rmw locked op lowering

This was the portion split off D58632 so that it could follow the redzone API cleanup. Note that I changed the offset preferred from -8 to -64. The difference should be very minor, but I thought it might help address one concern which had been previously raised.

Differential Revision: https://reviews.llvm.org/D61862

llvm-svn: 360719
llvm/lib/Target/X86/X86ISelLowering.cpp diff | blob | history
llvm/test/CodeGen/X86/atomic-idempotent.ll diff | blob | history
llvm/test/CodeGen/X86/speculative-load-hardening.ll diff | blob | history
Domain: System / Toolchain;