llvm-project/llvm/test/MC/X86/x86_long_nop.s

28 lines
1.3 KiB
ArmAsm

# RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-apple-darwin10.0 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-apple-darwin8 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=slm %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=LNOP7 %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=lakemont %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=LNOP7 %s
# Ensure alignment directives also emit sequences of 15-byte NOPs on processors
# capable of using long NOPs.
inc %eax
.p2align 5
inc %eax
# CHECK: 0: inc
# CHECK-NEXT: 1: nop
# CHECK-NEXT: 10: nop
# CHECK-NEXT: 1f: nop
# CHECK-NEXT: 20: inc
# On Silvermont and Lakemont we emit only 7 byte NOPs since longer NOPs
# are not profitable.
# LNOP7: 0: inc
# LNOP7-NEXT: 1: nop
# LNOP7-NEXT: 8: nop
# LNOP7-NEXT: f: nop
# LNOP7-NEXT: 16: nop
# LNOP7-NEXT: 1d: nop
# LNOP7-NEXT: 20: inc