[llvm] [X86][MC] Support encoding optimization & assembler relaxation about immediate operands for CCMP (PR #85175)

[Freddy Ye via llvm-commits]

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@@ -0,0 +1,14 @@
+// RUN: llvm-mc -triple x86_64-linux-gnu -filetype=obj %s | llvm-readobj -r - | FileCheck %s
+
+// CHECK:      Relocations [
+// CHECK-NEXT:   Section ({{[0-9]+}}) .rela.text {
+ccmpbb	{dfv=of}	$foo, %bl               // CHECK-NEXT:     R_X86_64_8
+ccmpbb	{dfv=of}	$foo, 123(%r8,%rax,4)   // CHECK-NEXT:     R_X86_64_8
+ccmpbw	{dfv=of}	$foo, %bx               // CHECK-NEXT:     R_X86_64_16
+ccmpbw	{dfv=of}	$foo, 123(%r8,%rax,4)   // CHECK-NEXT:     R_X86_64_16
+ccmpbl	{dfv=of}	$foo, %ebx              // CHECK-NEXT:     R_X86_64_32
+ccmpbl	{dfv=of}	$foo, 123(%r8,%rax,4)   // CHECK-NEXT:     R_X86_64_32
+ccmpbq	{dfv=of}	$foo, %rbx              // CHECK-NEXT:     R_X86_64_32
+ccmpbq	{dfv=of}	$foo, 123(%r8,%rax,4)   // CHECK-NEXT:     R_X86_64_32
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FreddyLeaf wrote:

a1fd3063a11ce3

https://github.com/llvm/llvm-project/pull/85175