[llvm] [X86][MC] Support encoding optimization & assembler relaxation about immediate operands for CCMP (PR #85175)
Shengchen Kan via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 13 21:31:09 PDT 2024
================
@@ -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
----------------
KanRobert wrote:
Should be R_X86_64_32S
https://github.com/llvm/llvm-project/pull/85175
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