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[X86] Don't allow DR8-DR15 to be assembled in 32-bit mode. Add missing test for CR8-CR15.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@279921 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2016-08-27 17:13:34 +00:00
parent a733d39899
commit 8b5392fd41
2 changed files with 8 additions and 0 deletions
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2
lib/Target/X86/MCTargetDesc/X86BaseInfo.h
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@ -750,6 +750,8 @@ namespace X86II {
case X86::R12B: case X86::R13B: case X86::R14B: case X86::R15B:
case X86::CR8: case X86::CR9: case X86::CR10: case X86::CR11:
case X86::CR12: case X86::CR13: case X86::CR14: case X86::CR15:
case X86::DR8: case X86::DR9: case X86::DR10: case X86::DR11:
case X86::DR12: case X86::DR13: case X86::DR14: case X86::DR15:
return true;
}
return false;

6
test/MC/X86/x86_errors.s
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@ -68,3 +68,9 @@ jrcxz 1
// 64: error: instruction requires: Not 64-bit mode
jcxz 1
// 32: error: register %cr8 is only available in 64-bit mode
movl %edx, %cr8
// 32: error: register %dr8 is only available in 64-bit mode
movl %edx, %dr8