cprestore-reorder.s
4.32 KB
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# RUN: llvm-mc %s -triple mips-unknown-linux-gnu --position-independent -show-encoding | \
# RUN: FileCheck %s
# RUN: llvm-mc %s -triple mips-unknown-linux-gnu --position-independent -filetype=obj -o -| \
# RUN: llvm-objdump -d -r - | FileCheck %s -check-prefix=CHECK-FOR-STORE
# RUN: llvm-mc %s -triple mips-unknown-linux-gnu -mattr=+micromips --position-independent -show-encoding | \
# RUN: FileCheck %s -check-prefix=MICROMIPS
# RUN: llvm-mc %s -triple mips-unknown-linux-gnu -show-encoding | \
# RUN: FileCheck %s -check-prefix=NO-PIC
# RUN: llvm-mc %s -triple mips64-unknown-linux-gnuabin32 --position-independent -show-encoding | \
# RUN: FileCheck %s -check-prefixes=BAD-ABI,BAD-ABI-N32
# RUN: llvm-mc %s -triple mips64-unknown-linux-gnu --position-independent -show-encoding | \
# RUN: FileCheck %s -check-prefixes=BAD-ABI,BAD-ABI-N64
.text
.ent foo
foo:
.frame $sp, 0, $ra
.set noreorder
.cpload $25
.set reorder
.cprestore 8
jal $25
jal $4, $25
jal foo
.end foo
# CHECK-FOR-STORE: sw $gp, 8($sp)
# CHECK: .cprestore 8
# CHECK: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# CHECK: jalr $4, $25 # encoding: [0x03,0x20,0x20,0x09]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# CHECK: lw $25, %got(foo)($gp) # encoding: [0x8f,0x99,A,A]
# CHECK: # fixup A - offset: 0, value: %got(foo), kind: fixup_Mips_GOT
# CHECK: addiu $25, $25, %lo(foo) # encoding: [0x27,0x39,A,A]
# CHECK: # fixup A - offset: 0, value: %lo(foo), kind: fixup_Mips_LO16
# CHECK: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
# CHECK: nop # encoding: [0x00,0x00,0x00,0x00]
# CHECK: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# CHECK: .end foo
# MICROMIPS: .cprestore 8
# MICROMIPS: jalrs16 $25 # encoding: [0x45,0xf9]
# MICROMIPS: nop # encoding: [0x0c,0x00]
# MICROMIPS: lw $gp, 8($sp) # encoding: [0xff,0x9d,0x00,0x08]
# MICROMIPS: jalrs $4, $25 # encoding: [0x00,0x99,0x4f,0x3c]
# MICROMIPS: nop # encoding: [0x0c,0x00]
# MICROMIPS: lw $gp, 8($sp) # encoding: [0xff,0x9d,0x00,0x08]
# MICROMIPS: lw $25, %got(foo)($gp) # encoding: [0xff,0x3c,A,A]
# MICROMIPS: # fixup A - offset: 0, value: %got(foo), kind: fixup_MICROMIPS_GOT16
# MICROMIPS: addiu $25, $25, %lo(foo) # encoding: [0x33,0x39,A,A]
# MICROMIPS: # fixup A - offset: 0, value: %lo(foo), kind: fixup_MICROMIPS_LO16
# MICROMIPS: jalrs $ra, $25 # encoding: [0x03,0xf9,0x4f,0x3c]
# MICROMIPS: nop # encoding: [0x0c,0x00]
# MICROMIPS: lw $gp, 8($sp) # encoding: [0xff,0x9d,0x00,0x08]
# MICROMIPS: .end foo
# NO-PIC: .cprestore 8
# NO-PIC: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
# NO-PIC-NOT: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# NO-PIC: jalr $4, $25 # encoding: [0x03,0x20,0x20,0x09]
# NO-PIC-NOT: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# NO-PIC: jal foo # encoding: [0b000011AA,A,A,A]
# NO-PIC: # fixup A - offset: 0, value: foo, kind: fixup_Mips_26
# NO-PIC-NOT: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# NO-PIC: .end foo
# BAD-ABI: .cprestore 8
# BAD-ABI: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
# BAD-ABI-NOT: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# BAD-ABI: jalr $4, $25 # encoding: [0x03,0x20,0x20,0x09]
# BAD-ABI-NOT: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# BAD-ABI-N32: lw $25, %got_disp(foo)($gp) # encoding: [0x8f,0x99,A,A]
# BAD-ABI-N64: ld $25, %got_disp(foo)($gp) # encoding: [0xdf,0x99,A,A]
# BAD-ABI: # fixup A - offset: 0, value: %got_disp(foo), kind: fixup_Mips_GOT_DISP
# BAD-ABI: jalr $25 # encoding: [0x03,0x20,0xf8,0x09]
# BAD-ABI-NOT: lw $gp, 8($sp) # encoding: [0x8f,0xbc,0x00,0x08]
# BAD-ABI: .end foo