align-branch-64-6a.s
2.24 KB
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# Check option --x86-align-branch-boundary=32 --x86-align-branch=fused+jcc+jmp+indirect+call+ret can cowork with option --mc-relax-all
# RUN: llvm-mc -filetype=obj -triple x86_64-unknown-unknown --x86-align-branch-boundary=32 --x86-align-branch=fused+jcc+jmp+indirect+call+ret --mc-relax-all %s | llvm-objdump -d - > %t1
# RUN: FileCheck --input-file=%t1 %s
# CHECK: 0000000000000000 foo:
# CHECK-NEXT: 0: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 8: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 10: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 18: c1 e9 02 shrl $2, %ecx
# CHECK-NEXT: 1b: 89 d1 movl %edx, %ecx
# CHECK-NEXT: 1d: 90 nop
# CHECK-NEXT: 1e: 90 nop
# CHECK-NEXT: 1f: 90 nop
# CHECK-NEXT: 20: 0f 85 f5 ff ff ff jne {{.*}}
# CHECK-NEXT: 26: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 2e: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 36: f6 c2 02 testb $2, %dl
# CHECK-NEXT: 39: 0f 85 e7 ff ff ff jne {{.*}}
# CHECK-NEXT: 3f: 90 nop
# CHECK-NEXT: 40: e9 d6 ff ff ff jmp {{.*}}
# CHECK-NEXT: 45: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 4d: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 55: 64 89 04 25 01 00 00 00 movl %eax, %fs:1
# CHECK-NEXT: 5d: 90 nop
# CHECK-NEXT: 5e: 90 nop
# CHECK-NEXT: 5f: 90 nop
# CHECK-NEXT: 60: e8 9b ff ff ff callq {{.*}}
# CHECK-NEXT: 65: e9 bc ff ff ff jmp {{.*}}
.text
.p2align 4
foo:
.rept 3
movl %eax, %fs:0x1
.endr
shrl $2, %ecx
.L1:
movl %edx, %ecx
jne .L1
.L2:
.rept 2
movl %eax, %fs:0x1
.endr
testb $2, %dl
jne .L2
jmp .L1
.rept 3
movl %eax, %fs:0x1
.endr
call foo
jmp .L2