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| author | Gabe Black <gblack@eecs.umich.edu> | 2009-07-01 22:16:05 -0700 |
|---|---|---|
| committer | Gabe Black <gblack@eecs.umich.edu> | 2009-07-01 22:16:05 -0700 |
| commit | 22a1ac22f4015bb3fd6450c2643d647d5df97db8 (patch) | |
| tree | ee231e532e24f8045dbbd9924500a867c5609776 /src/arch | |
| parent | ce9cb1ecb5844aa589ebfef348d8731c3228acad (diff) | |
| download | gem5-22a1ac22f4015bb3fd6450c2643d647d5df97db8.tar.xz | |
ARM: Get rid of the val2 variable.
Diffstat (limited to 'src/arch')
| -rw-r--r-- | src/arch/arm/isa/decoder.isa | 62 | ||||
| -rw-r--r-- | src/arch/arm/isa/formats/pred.isa | 10 |
2 files changed, 33 insertions, 39 deletions
diff --git a/src/arch/arm/isa/decoder.isa b/src/arch/arm/isa/decoder.isa index 494073aa9..6b0fa7650 100644 --- a/src/arch/arm/isa/decoder.isa +++ b/src/arch/arm/isa/decoder.isa @@ -97,7 +97,8 @@ format DataOp { }}, {{ 1 }}, {{ 1 }}); 0x5: WarnUnimpl::smlal(); 0x6: smull({{ - resTemp = ((int64_t)Rm.sw)*((int64_t)Rs.sw); + resTemp = ((int64_t)(int32_t)Rm)* + ((int64_t)(int32_t)Rs); Rd = (int32_t)(resTemp & 0xffffffff); Rn = (int32_t)(resTemp >> 32); }}, {{ 1 }}, {{ 1 }}); @@ -232,46 +233,37 @@ format DataOp { 0x1: eor({{ Rd = resTemp = Rn ^ op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x2: sub({{ uint32_t val2 = op2; - Rd = resTemp = Rn - val2; }}, - {{ arm_sub_carry(resTemp, Rn, val2) }}, - {{ arm_sub_overflow(resTemp, Rn, val2) }}); - 0x3: rsb({{ uint32_t val2 = op2; - Rd = resTemp = val2 - Rn; }}, - {{ arm_sub_carry(resTemp, val2, Rn) }}, - {{ arm_sub_overflow(resTemp, val2, Rn) }}); - 0x4: add({{ uint32_t val2 = op2; - Rd = resTemp = Rn + val2; }}, - {{ arm_add_carry(resTemp, Rn, val2) }}, - {{ arm_add_overflow(resTemp, Rn, val2) }}); - 0x5: adc({{ uint32_t val2 = op2; - Rd = resTemp = Rn + val2 + Cpsr<29:>; }}, - {{ arm_add_carry(resTemp, Rn, val2) }}, - {{ arm_add_overflow(resTemp, Rn, val2) }}); - 0x6: sbc({{ uint32_t val2 = op2; - Rd = resTemp = Rn - val2 - !Cpsr<29:>; }}, - {{ arm_sub_carry(resTemp, Rn, val2) }}, - {{ arm_sub_overflow(resTemp, Rn, val2) }}); - 0x7: rsc({{ uint32_t val2 = op2; - Rd = resTemp = val2 - Rn - !Cpsr<29:>; }}, - {{ arm_sub_carry(resTemp, val2, Rn) }}, - {{ arm_sub_overflow(resTemp, val2, Rn) }}); + 0x2: sub({{ Rd = resTemp = Rn - op2; }}, + {{ arm_sub_carry(resTemp, Rn, op2) }}, + {{ arm_sub_overflow(resTemp, Rn, op2) }}); + 0x3: rsb({{ Rd = resTemp = op2 - Rn; }}, + {{ arm_sub_carry(resTemp, op2, Rn) }}, + {{ arm_sub_overflow(resTemp, op2, Rn) }}); + 0x4: add({{ Rd = resTemp = Rn + op2; }}, + {{ arm_add_carry(resTemp, Rn, op2) }}, + {{ arm_add_overflow(resTemp, Rn, op2) }}); + 0x5: adc({{ Rd = resTemp = Rn + op2 + Cpsr<29:>; }}, + {{ arm_add_carry(resTemp, Rn, op2) }}, + {{ arm_add_overflow(resTemp, Rn, op2) }}); + 0x6: sbc({{ Rd = resTemp = Rn - op2 - !Cpsr<29:>; }}, + {{ arm_sub_carry(resTemp, Rn, op2) }}, + {{ arm_sub_overflow(resTemp, Rn, op2) }}); + 0x7: rsc({{ Rd = resTemp = op2 - Rn - !Cpsr<29:>; }}, + {{ arm_sub_carry(resTemp, op2, Rn) }}, + {{ arm_sub_overflow(resTemp, op2, Rn) }}); 0x8: tst({{ resTemp = Rn & op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); 0x9: teq({{ resTemp = Rn ^ op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xa: cmp({{ uint32_t val2 = op2; - resTemp = Rn - val2; }}, - {{ arm_sub_carry(resTemp, Rn, val2) }}, - {{ arm_sub_overflow(resTemp, Rn, val2) }}); - 0xb: cmn({{ uint32_t val2 = op2; - resTemp = Rn + val2; }}, - {{ arm_add_carry(resTemp, Rn, val2) }}, - {{ arm_add_overflow(resTemp, Rn, val2) }}); - 0xc: orr({{ uint32_t val2 = op2; - Rd = resTemp = Rn | val2; }}, + 0xa: cmp({{ resTemp = Rn - op2; }}, + {{ arm_sub_carry(resTemp, Rn, op2) }}, + {{ arm_sub_overflow(resTemp, Rn, op2) }}); + 0xb: cmn({{ resTemp = Rn + op2; }}, + {{ arm_add_carry(resTemp, Rn, op2) }}, + {{ arm_add_overflow(resTemp, Rn, op2) }}); + 0xc: orr({{ Rd = resTemp = Rn | op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); 0xd: mov({{ Rd = resTemp = op2; }}, diff --git a/src/arch/arm/isa/formats/pred.isa b/src/arch/arm/isa/formats/pred.isa index ef53843ae..dc115f588 100644 --- a/src/arch/arm/isa/formats/pred.isa +++ b/src/arch/arm/isa/formats/pred.isa @@ -102,10 +102,12 @@ let {{ }}; def format DataOp(code, icValue, ivValue) {{ - regCode = re.sub(r'op2', 'shift_rm_rs(Rm, Rs, \ - shift, Cpsr<29:0>)', code) - immCode = re.sub(r'op2', 'shift_rm_imm(Rm, shift_size, \ - shift, Cpsr<29:0>)', code) + regCode = '''uint32_t op2 = shift_rm_rs(Rm, Rs, + shift, Cpsr<29:0>); + op2 = op2;''' + code + immCode = '''uint32_t op2 = shift_rm_imm(Rm, shift_size, + shift, Cpsr<29:0>); + op2 = op2;''' + code regIop = InstObjParams(name, Name, 'PredIntOp', {"code": regCode, "predicate_test": predicateTest}) |