[llvm] ae2e515 - [X86] LOADIWKEY, ENCODEKEY128 and ENCODEKEY256 clobber EFLAGS.

[Craig Topper via llvm-commits]

Author: Craig Topper
Date: 2020-10-03T21:55:03-07:00
New Revision: ae2e51597f6e9478b7ccbdf1cf633540d7d1e8b3

URL: https://github.com/llvm/llvm-project/commit/ae2e51597f6e9478b7ccbdf1cf633540d7d1e8b3
DIFF: https://github.com/llvm/llvm-project/commit/ae2e51597f6e9478b7ccbdf1cf633540d7d1e8b3.diff

LOG: [X86] LOADIWKEY, ENCODEKEY128 and ENCODEKEY256 clobber EFLAGS.

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86InstrKL.td

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/X86/X86InstrKL.td b/llvm/lib/Target/X86/X86InstrKL.td
index d17a1e9f93dc..aa7df4256cec 100644
--- a/llvm/lib/Target/X86/X86InstrKL.td
+++ b/llvm/lib/Target/X86/X86InstrKL.td
@@ -17,18 +17,18 @@
 // Key Locker instructions
 
 let SchedRW = [WriteSystem], Predicates = [HasKL] in {
-  let Uses = [XMM0, EAX] in {
+  let Uses = [XMM0, EAX], Defs = [EFLAGS] in {
     def LOADIWKEY : I<0xDC, MRMSrcReg, (outs), (ins VR128:$src1, VR128:$src2),
                       "loadiwkey\t{$src2, $src1|$src1, $src2}",
                       [(int_x86_loadiwkey EAX, XMM0, VR128:$src1, VR128:$src2)]>, T8XS;
   }
 
-  let Uses = [XMM0], Defs = [XMM0, XMM1, XMM2, XMM4, XMM5, XMM6] in {
+  let Uses = [XMM0], Defs = [XMM0, XMM1, XMM2, XMM4, XMM5, XMM6, EFLAGS] in {
     def ENCODEKEY128 : I<0xFA, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
                          "encodekey128\t{$src, $dst|$dst, $src}", []>, T8XS;
   }
 
-  let Uses = [XMM0, XMM1], Defs = [XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6] in {
+  let Uses = [XMM0, XMM1], Defs = [XMM0, XMM1, XMM2, XMM3, XMM4, XMM5, XMM6, EFLAGS] in {
     def ENCODEKEY256 : I<0xFB, MRMSrcReg, (outs GR32:$dst), (ins GR32:$src),
                          "encodekey256\t{$src, $dst|$dst, $src}", []>, T8XS;
   }