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https://github.com/RPCS3/llvm-mirror.git
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ea9109c75f
Clean up the implementation of divide macro expansion by getting rid of a FIXME regarding magic numbers and branch instructions. Match GAS' behaviour for expansion of ddiv / div in the two and three operand cases. Add the two operand alias for MIPSR6. Finally, optimize macro expansion cases where the divisior is the $zero register. Reviewers: slthakur Differential Revision: https://reviews.llvm.org/D29887 llvm-svn: 294960
223 lines
13 KiB
ArmAsm
223 lines
13 KiB
ArmAsm
# RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r2 | \
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# RUN: FileCheck %s --check-prefix=CHECK-NOTRAP
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# RUN: llvm-mc %s -triple=mips-unknown-linux -show-encoding -mcpu=mips32r2 \
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# RUN: -mattr=+use-tcc-in-div | FileCheck %s --check-prefix=CHECK-TRAP
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div $25,$11
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# CHECK-NOTRAP: bnez $11, $tmp0 # encoding: [0x15,0x60,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp0)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: div $zero, $25, $11 # encoding: [0x03,0x2b,0x00,0x1a]
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-NOTRAP: $tmp0:
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# CHECK-NOTRAP: addiu $1, $zero, -1 # encoding: [0x24,0x01,0xff,0xff]
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# CHECK-NOTRAP: bne $11, $1, $tmp1 # encoding: [0x15,0x61,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp1)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: lui $1, 32768 # encoding: [0x3c,0x01,0x80,0x00]
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# CHECK-NOTRAP: bne $25, $1, $tmp1 # encoding: [0x17,0x21,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp1)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: nop # encoding: [0x00,0x00,0x00,0x00]
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# CHECK-NOTRAP: break 6 # encoding: [0x00,0x06,0x00,0x0d]
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# CHECK-NOTRAP: $tmp1:
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# CHECK-NOTRAP: mflo $25 # encoding: [0x00,0x00,0xc8,0x12]
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# CHECK-TRAP: teq $11, $zero, 7 # encoding: [0x01,0x60,0x01,0xf4]
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# CHECK-TRAP: div $zero, $25, $11 # encoding: [0x03,0x2b,0x00,0x1a]
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# CHECK-TRAP: addiu $1, $zero, -1 # encoding: [0x24,0x01,0xff,0xff]
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# CHECK-TRAP: bne $11, $1, $tmp0 # encoding: [0x15,0x61,A,A]
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# CHECK-TRAP: # fixup A - offset: 0, value: ($tmp0)-4, kind: fixup_Mips_PC16
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# CHECK-TRAP: lui $1, 32768 # encoding: [0x3c,0x01,0x80,0x00]
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# CHECK-TRAP: teq $25, $1, 6 # encoding: [0x03,0x21,0x01,0xb4]
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# CHECK-TRAP: $tmp0:
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# CHECK-TRAP: mflo $25 # encoding: [0x00,0x00,0xc8,0x12]
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div $24,$12
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# CHECK-NOTRAP: bnez $12, $tmp2 # encoding: [0x15,0x80,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp2)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: div $zero, $24, $12 # encoding: [0x03,0x0c,0x00,0x1a]
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-NOTRAP: $tmp2:
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# CHECK-NOTRAP: addiu $1, $zero, -1 # encoding: [0x24,0x01,0xff,0xff]
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# CHECK-NOTRAP: bne $12, $1, $tmp3 # encoding: [0x15,0x81,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp3)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: lui $1, 32768 # encoding: [0x3c,0x01,0x80,0x00]
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# CHECK-NOTRAP: bne $24, $1, $tmp3 # encoding: [0x17,0x01,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp3)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: nop # encoding: [0x00,0x00,0x00,0x00]
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# CHECK-NOTRAP: break 6 # encoding: [0x00,0x06,0x00,0x0d]
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# CHECK-NOTRAP: $tmp3:
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# CHECK-NOTRAP: mflo $24 # encoding: [0x00,0x00,0xc0,0x12]
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# CHECK-TRAP: teq $12, $zero, 7 # encoding: [0x01,0x80,0x01,0xf4]
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# CHECK-TRAP: div $zero, $24, $12 # encoding: [0x03,0x0c,0x00,0x1a]
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# CHECK-TRAP: addiu $1, $zero, -1 # encoding: [0x24,0x01,0xff,0xff]
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# CHECK-TRAP: bne $12, $1, $tmp1 # encoding: [0x15,0x81,A,A]
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# CHECK-TRAP: # fixup A - offset: 0, value: ($tmp1)-4, kind: fixup_Mips_PC16
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# CHECK-TRAP: lui $1, 32768 # encoding: [0x3c,0x01,0x80,0x00]
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# CHECK-TRAP: teq $24, $1, 6 # encoding: [0x03,0x01,0x01,0xb4]
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# CHECK-TRAP: $tmp1:
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# CHECK-TRAP: mflo $24 # encoding: [0x00,0x00,0xc0,0x12]
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div $25,$0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $0,$9
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# CHECK-NOTRAP: div $zero, $zero, $9 # encoding: [0x00,0x09,0x00,0x1a]
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# CHECK-TRAP: div $zero, $zero, $9 # encoding: [0x00,0x09,0x00,0x1a]
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div $0,$0
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# CHECK-NOTRAP: div $zero, $zero, $zero # encoding: [0x00,0x00,0x00,0x1a]
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# CHECK-TRAP: div $zero, $zero, $zero # encoding: [0x00,0x00,0x00,0x1a]
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div $4,0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $0,0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $4,1
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# CHECK-NOTRAP: move $4, $4 # encoding: [0x00,0x80,0x20,0x25]
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# CHECK-TRAP: move $4, $4 # encoding: [0x00,0x80,0x20,0x25]
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div $4,-1
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# CHECK-NOTRAP: neg $4, $4 # encoding: [0x00,0x04,0x20,0x22]
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# CHECK-TRAP: neg $4, $4 # encoding: [0x00,0x04,0x20,0x22]
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div $4,2
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# CHECK-NOTRAP: addiu $1, $zero, 2 # encoding: [0x24,0x01,0x00,0x02]
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# CHECK-NOTRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: addiu $1, $zero, 2 # encoding: [0x24,0x01,0x00,0x02]
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# CHECK-TRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,0x8000
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# CHECK-NOTRAP: ori $1, $zero, 32768 # encoding: [0x34,0x01,0x80,0x00]
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# CHECK-NOTRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: ori $1, $zero, 32768 # encoding: [0x34,0x01,0x80,0x00]
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# CHECK-TRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,-0x8000
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# CHECK-NOTRAP: addiu $1, $zero, -32768 # encoding: [0x24,0x01,0x80,0x00]
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# CHECK-NOTRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: addiu $1, $zero, -32768 # encoding: [0x24,0x01,0x80,0x00]
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# CHECK-TRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,0x10000
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# CHECK-NOTRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-NOTRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-TRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,0x1a5a5
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# CHECK-NOTRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-NOTRAP: ori $1, $1, 42405 # encoding: [0x34,0x21,0xa5,0xa5]
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# CHECK-NOTRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-TRAP: ori $1, $1, 42405 # encoding: [0x34,0x21,0xa5,0xa5]
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# CHECK-TRAP: div $zero, $4, $1 # encoding: [0x00,0x81,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,$5,$6
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# CHECK-NOTRAP: bnez $6, $tmp4 # encoding: [0x14,0xc0,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp4)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: div $zero, $5, $6 # encoding: [0x00,0xa6,0x00,0x1a]
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-NOTRAP: $tmp4:
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# CHECK-NOTRAP: addiu $1, $zero, -1 # encoding: [0x24,0x01,0xff,0xff]
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# CHECK-NOTRAP: bne $6, $1, $tmp5 # encoding: [0x14,0xc1,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp5)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: lui $1, 32768 # encoding: [0x3c,0x01,0x80,0x00]
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# CHECK-NOTRAP: bne $5, $1, $tmp5 # encoding: [0x14,0xa1,A,A]
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# CHECK-NOTRAP: # fixup A - offset: 0, value: ($tmp5)-4, kind: fixup_Mips_PC16
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# CHECK-NOTRAP: nop # encoding: [0x00,0x00,0x00,0x00]
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# CHECK-NOTRAP: break 6 # encoding: [0x00,0x06,0x00,0x0d]
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# CHECK-NOTRAP: $tmp5:
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: teq $6, $zero, 7 # encoding: [0x00,0xc0,0x01,0xf4]
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# CHECK-TRAP: div $zero, $5, $6 # encoding: [0x00,0xa6,0x00,0x1a]
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# CHECK-TRAP: addiu $1, $zero, -1 # encoding: [0x24,0x01,0xff,0xff]
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# CHECK-TRAP: bne $6, $1, $tmp2 # encoding: [0x14,0xc1,A,A]
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# CHECK-TRAP: # fixup A - offset: 0, value: ($tmp2)-4, kind: fixup_Mips_PC16
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# CHECK-TRAP: lui $1, 32768 # encoding: [0x3c,0x01,0x80,0x00]
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# CHECK-TRAP: teq $5, $1, 6 # encoding: [0x00,0xa1,0x01,0xb4]
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# CHECK-TRAP: $tmp2:
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,$5,$0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $4,$0,$0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $0,$4,$5
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# CHECK-NOTRAP: div $zero, $4, $5 # encoding: [0x00,0x85,0x00,0x1a]
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# CHECK-TRAP: div $zero, $4, $5 # encoding: [0x00,0x85,0x00,0x1a]
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div $4,$5,0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $4,$0,0
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# CHECK-NOTRAP: break 7 # encoding: [0x00,0x07,0x00,0x0d]
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# CHECK-TRAP: teq $zero, $zero, 7 # encoding: [0x00,0x00,0x01,0xf4]
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div $4,$5,1
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# CHECK-NOTRAP: move $4, $5 # encoding: [0x00,0xa0,0x20,0x25]
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# CHECK-TRAP: move $4, $5 # encoding: [0x00,0xa0,0x20,0x25]
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div $4,$5,-1
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# CHECK-NOTRAP: neg $4, $5 # encoding: [0x00,0x05,0x20,0x22]
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# CHECK-TRAP: neg $4, $5 # encoding: [0x00,0x05,0x20,0x22]
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div $4,$5,2
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# CHECK-NOTRAP: addiu $1, $zero, 2 # encoding: [0x24,0x01,0x00,0x02]
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# CHECK-NOTRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: addiu $1, $zero, 2 # encoding: [0x24,0x01,0x00,0x02]
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# CHECK-TRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,$5,0x8000
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# CHECK-NOTRAP: ori $1, $zero, 32768 # encoding: [0x34,0x01,0x80,0x00]
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# CHECK-NOTRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: ori $1, $zero, 32768 # encoding: [0x34,0x01,0x80,0x00]
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# CHECK-TRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,$5,-0x8000
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# CHECK-NOTRAP: addiu $1, $zero, -32768 # encoding: [0x24,0x01,0x80,0x00]
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# CHECK-NOTRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: addiu $1, $zero, -32768 # encoding: [0x24,0x01,0x80,0x00]
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# CHECK-TRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,$5,0x10000
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# CHECK-NOTRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-NOTRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-TRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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div $4,$5,0x1a5a5
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# CHECK-NOTRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-NOTRAP: ori $1, $1, 42405 # encoding: [0x34,0x21,0xa5,0xa5]
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# CHECK-NOTRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-NOTRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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# CHECK-TRAP: lui $1, 1 # encoding: [0x3c,0x01,0x00,0x01]
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# CHECK-TRAP: ori $1, $1, 42405 # encoding: [0x34,0x21,0xa5,0xa5]
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# CHECK-TRAP: div $zero, $5, $1 # encoding: [0x00,0xa1,0x00,0x1a]
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# CHECK-TRAP: mflo $4 # encoding: [0x00,0x00,0x20,0x12]
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