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llvm-6502/test/MC/MachO/x86_32-optimal_nop.s
Rafael Espindola 7339fb5dae Change the 11 byte nop to be a single instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119286 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-15 23:10:30 +00:00

258 lines
7.8 KiB
ArmAsm
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// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | macho-dump --dump-section-data | FileCheck %s
# 1 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
# nop
# 0x90
.align 1, 0x90
ret
# 2 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
# xchg %ax,%ax
# 0x66, 0x90
.align 2, 0x90
ret
# 3 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
# nopl (%[re]ax)
# 0x0f, 0x1f, 0x00
.align 2, 0x90
ret
# 4 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
ret
# nopl 0(%[re]ax)
# 0x0f, 0x1f, 0x40, 0x00
.align 3, 0x90
ret
# 5 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
# nopl 0(%[re]ax,%[re]ax,1)
# 0x0f, 0x1f, 0x44, 0x00, 0x00
.align 3, 0x90
ret
# 6 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
# nopw 0(%[re]ax,%[re]ax,1)
# 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00
.align 3, 0x90
ret
# 7 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
# nopl 0L(%[re]ax)
# 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00
.align 3, 0x90
ret
# 8 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
ret
ret
ret
ret
ret
# nopl 0L(%[re]ax,%[re]ax,1)
# 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00
.align 3, 0x90
ret
# 9 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
ret
ret
ret
ret
# nopw 0L(%[re]ax,%[re]ax,1)
# 0x66, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00
.align 4, 0x90
ret
# 10 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
ret
ret
ret
ret
# nopw %cs:0L(%[re]ax,%[re]ax,1)
# 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00
.align 4, 0x90
ret
# 11 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
ret
ret
# nopw %cs:0L(%[re]ax,%[re]ax,1)
# 0x66, 0x66, 0x2e, 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00
.align 4, 0x90
ret
# 12 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
ret
# nopw 0(%[re]ax,%[re]ax,1)
# nopw 0(%[re]ax,%[re]ax,1)
# 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00,
# 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00
.align 4, 0x90
ret
# 13 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
ret
# nopw 0(%[re]ax,%[re]ax,1)
# nopl 0L(%[re]ax)
# 0x66, 0x0f, 0x1f, 0x44, 0x00, 0x00,
# 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00
.align 4, 0x90
ret
# 14 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
ret
# nopl 0L(%[re]ax)
# nopl 0L(%[re]ax)
# 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00,
# 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00
.align 4, 0x90
ret
# 15 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros
ret
# nopl 0L(%[re]ax)
# nopl 0L(%[re]ax,%[re]ax,1)
# 0x0f, 0x1f, 0x80, 0x00, 0x00, 0x00, 0x00,
# 0x0f, 0x1f, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00
.align 4, 0x90
ret
# Only the .text sections gets optimal nops.
.section __TEXT,__const
f0:
.byte 0
.align 4, 0x90
.long 0
// CHECK: ('cputype', 7)
// CHECK: ('cpusubtype', 3)
// CHECK: ('filetype', 1)
// CHECK: ('num_load_commands', 1)
// CHECK: ('load_commands_size', 296)
// CHECK: ('flag', 0)
// CHECK: ('load_commands', [
// CHECK: # Load Command 0
// CHECK: (('command', 1)
// CHECK: ('size', 192)
// CHECK: ('segment_name', '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('vm_addr', 0)
// CHECK: ('vm_size', 372)
// CHECK: ('file_offset', 324)
// CHECK: ('file_size', 372)
// CHECK: ('maxprot', 7)
// CHECK: ('initprot', 7)
// CHECK: ('num_sections', 2)
// CHECK: ('flags', 0)
// CHECK: ('sections', [
// CHECK: # Section 0
// CHECK: (('section_name', '__text\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('address', 0)
// CHECK: ('size', 337)
// CHECK: ('offset', 324)
// CHECK: ('alignment', 4)
// CHECK: ('reloc_offset', 0)
// CHECK: ('num_reloc', 0)
// CHECK: ('flags', 0x80000400)
// CHECK: ('reserved1', 0)
// CHECK: ('reserved2', 0)
// CHECK: ),
// CHECK: ('_relocations', [
// CHECK: ])
// CHECK: ('_section_data', 'c390c300 00000000 00000000 00000000 c3c36690 c3000000 00000000 00000000 c30f1f00 c3000000 00000000 00000000 c3c3c3c3 0f1f4000 c3000000 00000000 c3c3c30f 1f440000 c3000000 00000000 c3c3660f 1f440000 c3000000 00000000 c30f1f80 00000000 c3000000 00000000 c3c3c3c3 c3c3c3c3 c3000000 00000000 c3c3c3c3 c3c3c366 0f1f8400 00000000 c3000000 00000000 00000000 00000000 c3c3c3c3 c3c3c366 0f1f8400 00000000 c3000000 00000000 00000000 00000000 c3c3c3c3 c366662e 0f1f8400 00000000 c3000000 00000000 00000000 00000000 c3c3c3c3 660f1f44 0000660f 1f440000 c3000000 00000000 00000000 00000000 c3c3c366 0f1f4400 000f1f80 00000000 c3000000 00000000 00000000 00000000 c3c30f1f 80000000 000f1f80 00000000 c3000000 00000000 00000000 00000000 c30f1f80 00000000 0f1f8400 00000000 c3')
// CHECK: # Section 1
// CHECK: (('section_name', '__const\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('segment_name', '__TEXT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
// CHECK: ('address', 352)
// CHECK: ('size', 20)
// CHECK: ('offset', 676)
// CHECK: ('alignment', 4)
// CHECK: ('reloc_offset', 0)
// CHECK: ('num_reloc', 0)
// CHECK: ('flags', 0x0)
// CHECK: ('reserved1', 0)
// CHECK: ('reserved2', 0)
// CHECK: ),
// CHECK: ('_relocations', [
// CHECK: ])
// CHECK: ('_section_data', '00909090 90909090 90909090 90909090 00000000')
// CHECK: ])
// CHECK: ),
// CHECK: # Load Command 1
// CHECK: (('command', 2)
// CHECK: ('size', 24)
// CHECK: ('symoff', 696)
// CHECK: ('nsyms', 1)
// CHECK: ('stroff', 708)
// CHECK: ('strsize', 4)
// CHECK: ('_string_data', '\x00f0\x00')
// CHECK: ('_symbols', [
// CHECK: # Symbol 0
// CHECK: (('n_strx', 1)
// CHECK: ('n_type', 0xe)
// CHECK: ('n_sect', 2)
// CHECK: ('n_desc', 0)
// CHECK: ('n_value', 352)
// CHECK: ('_string', 'f0')
// CHECK: ),
// CHECK: ])
// CHECK: ),
// CHECK: # Load Command 2
// CHECK: (('command', 11)
// CHECK: ('size', 80)
// CHECK: ('ilocalsym', 0)
// CHECK: ('nlocalsym', 1)
// CHECK: ('iextdefsym', 1)
// CHECK: ('nextdefsym', 0)
// CHECK: ('iundefsym', 1)
// CHECK: ('nundefsym', 0)
// CHECK: ('tocoff', 0)
// CHECK: ('ntoc', 0)
// CHECK: ('modtaboff', 0)
// CHECK: ('nmodtab', 0)
// CHECK: ('extrefsymoff', 0)
// CHECK: ('nextrefsyms', 0)
// CHECK: ('indirectsymoff', 0)
// CHECK: ('nindirectsyms', 0)
// CHECK: ('extreloff', 0)
// CHECK: ('nextrel', 0)
// CHECK: ('locreloff', 0)
// CHECK: ('nlocrel', 0)
// CHECK: ('_indirect_symbols', [
// CHECK: ])
// CHECK: ),
// CHECK: ])
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