[PATCH] D17542: Disallow generating vzeroupper before return instruction (iret) in interrupt handler function
David Kreitzer via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 24 14:13:13 PST 2016
DavidKreitzer added a comment.
Just one minor suggestion, Amjad. Otherwise, LGTM.
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Comment at: test/CodeGen/X86/x86-interrupt_vzeroupper.ll:7
@@ +6,3 @@
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Command line: -Wall -march=nehalem -S -o - -emit-llvm -O2
+;; Source:
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This command line comment seems incorrect, since nehalem doesn't have feature AVX. Maybe you should change this to sandybridge (here and on lines 35-36)?
http://reviews.llvm.org/D17542
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