From: Gabe Black Date: Thu, 2 Jul 2009 05:15:39 +0000 (-0700) Subject: ARM: Centralize the declaration of resTemp. X-Git-Tag: Calvin_Submission~246 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ce9cb1ecb5844aa589ebfef348d8731c3228acad;p=gem5.git ARM: Centralize the declaration of resTemp. --- diff --git a/src/arch/arm/isa/decoder.isa b/src/arch/arm/isa/decoder.isa index ea9fbc8d2..494073aa9 100644 --- a/src/arch/arm/isa/decoder.isa +++ b/src/arch/arm/isa/decoder.isa @@ -83,30 +83,25 @@ format DataOp { 1: decode MISC_OPCODE { 0x9: decode PREPOST { 0: decode OPCODE { - 0x0: mul({{ uint32_t resTemp; - Rn = resTemp = Rm * Rs; }}, + 0x0: mul({{ Rn = resTemp = Rm * Rs; }}, {{ Cpsr<29:> }}, {{ Cpsr<28:> }}); - 0x1: mla({{ uint32_t resTemp; - Rn = resTemp = Rm * Rs; }}, + 0x1: mla({{ Rn = resTemp = Rm * Rs; }}, {{ Cpsr<29:> }}, {{ Cpsr<28:> }}); 0x2: WarnUnimpl::umall(); 0x4: umull({{ - uint64_t resTemp; resTemp = ((uint64_t)Rm)*((uint64_t)Rs); Rd = (uint32_t)(resTemp & 0xffffffff); Rn = (uint32_t)(resTemp >> 32); }}, {{ 1 }}, {{ 1 }}); 0x5: WarnUnimpl::smlal(); 0x6: smull({{ - int64_t resTemp; resTemp = ((int64_t)Rm.sw)*((int64_t)Rs.sw); Rd = (int32_t)(resTemp & 0xffffffff); Rn = (int32_t)(resTemp >> 32); }}, {{ 1 }}, {{ 1 }}); 0x7: umlal({{ - uint64_t resTemp; resTemp = ((uint64_t)Rm)*((uint64_t)Rs); resTemp += ((uint64_t)Rn << 32)+((uint64_t)Rd); Rd = (uint32_t)(resTemp & 0xffffffff); @@ -231,66 +226,61 @@ format DataOp { } 0: decode IS_MISC { 0: decode OPCODE { - 0x0: and({{ uint32_t resTemp; - Rd = resTemp = Rn & op2; }}, + 0x0: and({{ Rd = resTemp = Rn & op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x1: eor({{ uint32_t resTemp; - Rd = resTemp = Rn ^ op2; }}, + 0x1: eor({{ Rd = resTemp = Rn ^ op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x2: sub({{ uint32_t resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 0x7: rsc({{ uint32_t val2 = op2; Rd = resTemp = val2 - Rn - !Cpsr<29:>; }}, {{ arm_sub_carry(resTemp, val2, Rn) }}, {{ arm_sub_overflow(resTemp, val2, Rn) }}); - 0x8: tst({{ uint32_t resTemp = Rn & op2; }}, + 0x8: tst({{ resTemp = Rn & op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x9: teq({{ uint32_t resTemp = Rn ^ op2; }}, + 0x9: teq({{ resTemp = Rn ^ op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xa: cmp({{ uint32_t resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 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 resTemp, val2 = op2; + 0xc: orr({{ uint32_t val2 = op2; Rd = resTemp = Rn | val2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xd: mov({{ uint32_t resTemp; - Rd = resTemp = op2; }}, + 0xd: mov({{ Rd = resTemp = op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xe: bic({{ uint32_t resTemp; - Rd = resTemp = Rn & ~op2; }}, + 0xe: bic({{ Rd = resTemp = Rn & ~op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xf: mvn({{ uint32_t resTemp; - Rd = resTemp = ~op2; }}, + 0xf: mvn({{ Rd = resTemp = ~op2; }}, {{ shift_carry_imm(Rm, shift_size, shift, Cpsr<29:>) }}, {{ Cpsr<28:> }}); } @@ -360,68 +350,52 @@ format DataOp { 0x1: decode IS_MISC { 0: decode OPCODE { format DataImmOp { - 0x0: andi({{ uint32_t resTemp; - Rd = resTemp = Rn & rotated_imm; }}, + 0x0: andi({{ Rd = resTemp = Rn & rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x1: eori({{ uint32_t resTemp; - Rd = resTemp = Rn ^ rotated_imm; }}, + 0x1: eori({{ Rd = resTemp = Rn ^ rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x2: subi({{ uint32_t resTemp; - Rd = resTemp = Rn - rotated_imm; }}, + 0x2: subi({{ Rd = resTemp = Rn - rotated_imm; }}, {{ arm_sub_carry(resTemp, Rn, rotated_imm) }}, {{ arm_sub_overflow(resTemp, Rn, rotated_imm) }}); - 0x3: rsbi({{ uint32_t resTemp; - Rd = resTemp = rotated_imm - Rn; }}, + 0x3: rsbi({{ Rd = resTemp = rotated_imm - Rn; }}, {{ arm_sub_carry(resTemp, rotated_imm, Rn) }}, {{ arm_sub_overflow(resTemp, rotated_imm, Rn) }}); - 0x4: addi({{ uint32_t resTemp; - Rd = resTemp = Rn + rotated_imm; }}, + 0x4: addi({{ Rd = resTemp = Rn + rotated_imm; }}, {{ arm_add_carry(resTemp, Rn, rotated_imm) }}, {{ arm_add_overflow(resTemp, Rn, rotated_imm) }}); - 0x5: adci({{ uint32_t resTemp; - Rd = resTemp = Rn + rotated_imm + Cpsr<29:>; }}, + 0x5: adci({{ Rd = resTemp = Rn + rotated_imm + Cpsr<29:>; }}, {{ arm_add_carry(resTemp, Rn, rotated_imm) }}, {{ arm_add_overflow(resTemp, Rn, rotated_imm) }}); - 0x6: sbci({{ uint32_t resTemp; - Rd = resTemp = Rn -rotated_imm - !Cpsr<29:>; }}, + 0x6: sbci({{ Rd = resTemp = Rn -rotated_imm - !Cpsr<29:>; }}, {{ arm_sub_carry(resTemp, Rn, rotated_imm) }}, {{ arm_sub_overflow(resTemp, Rn, rotated_imm) }}); - 0x7: rsci({{ uint32_t resTemp; - Rd = resTemp = rotated_imm - Rn - !Cpsr<29:>;}}, + 0x7: rsci({{ Rd = resTemp = rotated_imm - Rn - !Cpsr<29:>;}}, {{ arm_sub_carry(resTemp, rotated_imm, Rn) }}, {{ arm_sub_overflow(resTemp, rotated_imm, Rn) }}); - 0x8: tsti({{ uint32_t resTemp; - resTemp = Rn & rotated_imm; }}, + 0x8: tsti({{ resTemp = Rn & rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0x9: teqi({{ uint32_t resTemp; - resTemp = Rn ^ rotated_imm; }}, + 0x9: teqi({{ resTemp = Rn ^ rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xa: cmpi({{ uint32_t resTemp; - resTemp = Rn - rotated_imm; }}, + 0xa: cmpi({{ resTemp = Rn - rotated_imm; }}, {{ arm_sub_carry(resTemp, Rn, rotated_imm) }}, {{ arm_sub_overflow(resTemp, Rn, rotated_imm) }}); - 0xb: cmni({{ uint32_t resTemp; - resTemp = Rn + rotated_imm; }}, + 0xb: cmni({{ resTemp = Rn + rotated_imm; }}, {{ arm_add_carry(resTemp, Rn, rotated_imm) }}, {{ arm_add_overflow(resTemp, Rn, rotated_imm) }}); - 0xc: orri({{ uint32_t resTemp; - Rd = resTemp = Rn | rotated_imm; }}, + 0xc: orri({{ Rd = resTemp = Rn | rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xd: movi({{ uint32_t resTemp; - Rd = resTemp = rotated_imm; }}, + 0xd: movi({{ Rd = resTemp = rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xe: bici({{ uint32_t resTemp; - Rd = resTemp = Rn & ~rotated_imm; }}, + 0xe: bici({{ Rd = resTemp = Rn & ~rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); - 0xf: mvni({{ uint32_t resTemp; - Rd = resTemp = ~rotated_imm; }}, + 0xf: mvni({{ Rd = resTemp = ~rotated_imm; }}, {{ (rotate ? rotated_carry:Cpsr<29:>) }}, {{ Cpsr<28:> }}); } diff --git a/src/arch/arm/isa/formats/pred.isa b/src/arch/arm/isa/formats/pred.isa index 51d383d6a..ef53843ae 100644 --- a/src/arch/arm/isa/formats/pred.isa +++ b/src/arch/arm/isa/formats/pred.isa @@ -41,6 +41,8 @@ def template PredOpExecute {{ Fault %(class_name)s::execute(%(CPU_exec_context)s *xc, Trace::InstRecord *traceData) const { Fault fault = NoFault; + uint64_t resTemp = 0; + resTemp = resTemp; %(op_decl)s; %(op_rd)s; @@ -100,7 +102,6 @@ let {{ }}; def format DataOp(code, icValue, ivValue) {{ - code += "resTemp = resTemp;" 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, \