[llvm] 728fb23 - [X86][MC] Support case insenstive for `dfv,sf,cf,of,zf` for CCMP/CTEST (#95910)
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Tue Jun 18 20:26:19 PDT 2024
Author: Freddy Ye
Date: 2024-06-19T11:26:15+08:00
New Revision: 728fb233b01330243a574c51ad524acffc3ffa2d
URL: https://github.com/llvm/llvm-project/commit/728fb233b01330243a574c51ad524acffc3ffa2d
DIFF: https://github.com/llvm/llvm-project/commit/728fb233b01330243a574c51ad524acffc3ffa2d.diff
LOG: [X86][MC] Support case insenstive for `dfv,sf,cf,of,zf` for CCMP/CTEST (#95910)
Added:
Modified:
llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
llvm/test/MC/X86/apx/ccmp-att.s
llvm/test/MC/X86/apx/ccmp-intel.s
Removed:
################################################################################
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index c0f54b223877c..dbea42d55b5fc 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2318,7 +2318,7 @@ bool X86AsmParser::parseCFlagsOp(OperandVector &Operands) {
return Error(Tok.getLoc(), "Expected { at this point");
Parser.Lex(); // Eat "{"
Tok = Parser.getTok();
- if (Tok.getIdentifier() != "dfv")
+ if (Tok.getIdentifier().lower() != "dfv")
return Error(Tok.getLoc(), "Expected dfv at this point");
Parser.Lex(); // Eat "dfv"
Tok = Parser.getTok();
@@ -2338,7 +2338,7 @@ bool X86AsmParser::parseCFlagsOp(OperandVector &Operands) {
unsigned CFlags = 0;
for (unsigned I = 0; I < 4; ++I) {
Tok = Parser.getTok();
- unsigned CFlag = StringSwitch<unsigned>(Tok.getIdentifier())
+ unsigned CFlag = StringSwitch<unsigned>(Tok.getIdentifier().lower())
.Case("of", 0x8)
.Case("sf", 0x4)
.Case("zf", 0x2)
diff --git a/llvm/test/MC/X86/apx/ccmp-att.s b/llvm/test/MC/X86/apx/ccmp-att.s
index 0b78562f32e18..405071b0f4310 100644
--- a/llvm/test/MC/X86/apx/ccmp-att.s
+++ b/llvm/test/MC/X86/apx/ccmp-att.s
@@ -1,7 +1,7 @@
# RUN: llvm-mc -triple x86_64 -show-encoding %s | FileCheck %s
# RUN: not llvm-mc -triple i386 -show-encoding %s 2>&1 | FileCheck %s --check-prefix=ERROR
-# ERROR-COUNT-401: error:
+# ERROR-COUNT-402: error:
# ERROR-NOT: error:
## Condition flags
@@ -1211,3 +1211,9 @@
# CHECK: ccmpeq {dfv=of} %r9, %r15
# CHECK: encoding: [0x62,0x54,0xc4,0x04,0x39,0xcf]
ccmpeq {dfv=of} %r9, %r15
+
+## Case sensitive
+
+# CHECK: ccmpoq {dfv=of,sf,zf,cf} %rax, %rbx
+# CHECK: encoding: [0x62,0xf4,0xfc,0x00,0x39,0xc3]
+ ccmpoq {dFV=Cf,zF,SF,of} %rax, %rbx
diff --git a/llvm/test/MC/X86/apx/ccmp-intel.s b/llvm/test/MC/X86/apx/ccmp-intel.s
index 095f7fb71b7c8..2d446b053d94e 100644
--- a/llvm/test/MC/X86/apx/ccmp-intel.s
+++ b/llvm/test/MC/X86/apx/ccmp-intel.s
@@ -1208,3 +1208,9 @@
# CHECK: ccmpe {dfv=of} r15, r9
# CHECK: encoding: [0x62,0x54,0xc4,0x04,0x39,0xcf]
ccmpe {dfv=of} r15, r9
+
+## Case sensitive
+
+# CHECK: ccmpo {dfv=of,sf,zf,cf} rbx, rax
+# CHECK: encoding: [0x62,0xf4,0xfc,0x00,0x39,0xc3]
+ ccmpo {DFv=Cf,zF,SF,of} rbx, rax
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