mirrors/binutils-gdb
1
0
Fork 0
mirror of https://sourceware.org/git/binutils-gdb.git synced 2024-11-26 03:24:41 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity
b8ffa8b327
binutils-gdb/sim/mips/mips3264r6.igen
Faraz Shahbazker 06c441ccef sim: mips: Add simulator support for mips32r6/mips64r6 
2022-02-01  Ali Lown  <ali.lown@imgtec.com>
	    Andrew Bennett  <andrew.bennett@imgtec.com>
	    Dragan Mladjenovic  <dragan.mladjenovic@rt-rk.com>
	    Faraz Shahbazker  <fshahbazker@wavecomp.com>

sim/common/ChangeLog:
	* sim-bits.h (EXTEND9, EXTEND18 ,EXTEND19, EXTEND21,
	EXTEND26): New macros.

sim/mips/ChangeLog:
	* Makefile.in (IGEN_INCLUDE): Add mips3264r6.igen.
	* configure: Regenerate.
	* configure.ac: Support mipsisa32r6 and mipsisa64r6.
	(sim_engine_run): Pick simulator model from processor specified
	in e_flags.
	* cp1.c (value_fpr): Handle fmt_dc32.
	(fp_unary, fp_binary): Zero initialize locals.
	(update_fcsr, fp_classify, fp_rint, fp_r6_cmp, inner_fmac,
	fp_fmac, fp_min, fp_max, fp_mina, fp_maxa, fp_fmadd, fp_fmsub):
	New functions.
	(sim_fpu_class_mips_mapping): New.
	* cp1.h (fcsr_ABS2008_mask, fcsr_ABS2008_shift): New define.
	* interp.c (MIPSR6_P): New.
	(load_word): Allow unaligned memory access for MIPSR6.
	* micromips.igen (sc, scd): Adapt to new do_sc* helper signature.
	* mips.igen: Add *r6 models.
	(signal_if_cti, forbiddenslot32): New helpers.
	(delayslot32): Use signal_if_cti.
	(do_sc, do_scd); Add store_ll_bit parameter.
	(sc, scd): Adapt to previous change.
	(nal, beq, bal): New definitions for *r6.
	(sll): Split nop and ssnop cases into ...
	(nop, ssnop): New definitions.
	(loadstore_ea): Use the 32-bit compatibility adressing.
	(cache): Split logic into ...
	(do_cache): New helper.
	(check_fpu): Select IEEE 754-2008 mode for R6.
	(not_word_value, unpredictable, check_mt_hilo, check_mf_hilo,
	check_multi_hilo, check_div_hilo, check_u64, do_dmfc1b, add,
	li, addu, and, andi, bgez, bgtz, blez, bltz, bne, break, dadd,
	daddiu, daddu, dror, dror32, drorv, dsll, dsll32, dsllv, dsra,
	dsra32, dsrav, dsrl, dsrl32, dsub, dsubu, j, jal, jalr,
	jalr.hb, lb, lbu, ld, lh, lhu, lui, lw, lwu, nor, or, ori, ror,
	rorv, sb, sd, sh, sll, sllv, slt, slti, sltiu, sltu, sra, srav,
	srl, srlv, sub, subu, sw, sync, syscall, teq, tge, tgeu, tlt,
	tltu, tne, xor, xori, check_fmt_p, do_load_double,
	do_store_double, abs.FMT, add.FMT, ceil.l.FMT, ceil.w.FMT,
	cfc1, ctc1, cvt.d.FMT, cvt.l.FMT, cvt.w.FMT, div.FMT, dfmc1,
	dmtc1, floor.l.FMT, floor.w.FMT, ldc1, lwc1, mfc1, mov.FMT,
	mtc1, mul.FMT, recip.FMT, round.l.FMT, round.w.FMT, rsqrt.FMT,
	sdc1, sqrt.FMT, sub.FMT, swc1, trunc.l.FMT, trunc.w.FMT, bc0f,
	bc0fl, bc0t, bc0tl, dmfc0, dmtc0, eret, mfc0, mtc0, cop, tlbp,
	tlbr, tlbwi, tlbwr): Enable on *r6 models.
	* mips3264r2.igen (dext, dextm, dextu, di, dins, dinsm, dinsu,
	dsbh, dshd, ei, ext, mfhc1, mthc1, ins, seb, seh, synci, rdhwr,
	wsbh): Likewise.
	* mips3264r6.igen: New file.
	* sim-main.h (FP_formats): Add fmt_dc32.
	(FORBIDDEN_SLOT): New macros.
	(simFORBIDDENSLOT, FP_R6CMP_*, FP_R6CLASS_*): New defines.
	(fp_r6_cmp, fp_classify, fp_rint, fp_min, fp_max, fp_mina,
	fp_maxa, fp_fmadd, fp_fmsub): New declarations.
	(R6Compare, Classify, RoundToIntegralExact, Min, Max, MinA,
	MaxA, FusedMultiplyAdd, FusedMultiplySub): New macros. Wrapping
	previous declarations.

sim/testsuite/mips/ChangeLog:
	* basic.exp: Add r6-*.s tests.
	(run_r6_removed_test): New function.
	(run_endian_tests): New function.
	* hilo-hazard-3.s: Skip for mips*r6.
	* r2-fpu.s: New test.
	* r6-64.s: New test.
	* r6-branch.s: New test.
	* r6-forbidden.s: New test.
	* r6-fpu.s: New test.
	* r6-llsc-dp.s: New test.
	* r6-llsc-wp.s: New test.
	* r6-removed.csv: New test.
	* r6-removed.s: New test.
	* r6.s: New test.
	* utils-r6.inc: New inc.
2022-02-04 19:37:26 -05:00

1227 lines
26 KiB
Plaintext
Raw Blame History

110010,26.OFFSET:POOL32X:32::BC
"bc <OFFSET>"
*mips32r6:
*mips64r6:
{
NIA = CIA + (EXTEND26 (OFFSET) << 2) + 4;
}
111010,26.OFFSET:POOL32X:32::BALC
"balc <OFFSET>"
*mips32r6:
*mips64r6:
{
RA = CIA + 4;
NIA = CIA + (EXTEND26 (OFFSET) << 2) + 4;
}
110110,5.RS!0,21.OFFSET:POOL32X:32::BEQZC
"beqzc r<RS>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (GPR[RS] == 0)
NIA = CIA + (EXTEND21 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
110110,00000,5.RT,16.OFFSET:POOL32X:32::JIC
"jic r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
NIA = GPR[RT] + (EXTEND16(OFFSET) << 2);
}
111110,5.RS!0,21.OFFSET:POOL32X:32::BNEZC
"bnezc r<RS>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (GPR[RS] != 0)
NIA = CIA + (EXTEND21 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
111110,00000,5.RT,16.OFFSET:POOL32X:32::JIALC
"jialc r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
RA = CIA + 4;
NIA = GPR[RT] + EXTEND16(OFFSET);
}
010110,5.RS,5.RT,16.OFFSET:POOL32X:32::B1xxC
"blezc r<RT>, <OFFSET>": RS==0&&RT!=0
"bgezc r<RT>, <OFFSET>":RS!=0&&RS==RT
"bgec r<RS>, r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (RS == 0 && RT != 0)
{
//BLEZC
if ((signed_word)GPR[RT] <= 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else if (RS != 0 && RS == RT)
{
//BGEZC
if ((signed_word)GPR[RT] >= 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else
{
//BGEC
if ((signed_word) GPR[RS] >= (signed_word) GPR[RT])
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
}
010111,5.RS,5.RT,16.OFFSET:POOL32X:32::B2xxC
"bgtzc r<RT>, <OFFSET>":RS==0&&RT!=0
"bltzc r<RT>, <OFFSET>":RS!=0&&RS==RT
"bltc r<RS>, r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (RS == 0 && RT != 0)
{
//BGTZC
if ((signed_word)GPR[RT] > 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else if (RS != 0 && RS == RT)
{
//BLTZC
if ((signed_word)GPR[RT] < 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else
{
//BLTC
if ((signed_word) GPR[RS] < (signed_word) GPR[RT])
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
}
000110,5.RS,5.RT!0,16.OFFSET:POOL32X:32::B3xxC
"blezalc r<RT>, <OFFSET>":RS==0
"bgezalc r<RT>, <OFFSET>":RS!=0&&RS==RT
"bgeuc r<RS>, r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (RS == 0 && RT != 0)
{
//BLEZALC
RA = CIA + 4;
if ((signed_word)GPR[RT] <= 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else if (RS != 0 && RS == RT)
{
//BGEZALC
RA = CIA + 4;
if ((signed_word)GPR[RT] >= 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else
{
//BGEUC
if (GPR[RS] >= GPR[RT])
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
}
000111,5.RS,5.RT!0,16.OFFSET:POOL32X:32::B4xxC
"bgtzalc r<RT>, <OFFSET>":RS==0
"bltzalc r<RT>, <OFFSET>":RS!=0&&RS==RT
"bltuc r<RS>, r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (RS == 0 && RT != 0)
{
//BGTZALC
RA = CIA + 4;
if ((signed_word)GPR[RT] > 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else if (RS != 0 && RS == RT)
{
//BLTZALC
RA = CIA + 4;
if ((signed_word)GPR[RT] < 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else
{
//BLTUC
if (GPR[RS] < GPR[RT])
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
}
001000,5.RS,5.RT,16.OFFSET:POOL32X:32::BxxxC
"bovc r<RS>, r<RT>, <OFFSET>":RS>=RT
"beqzalc r<RT>, <OFFSET>":RS==0&&RT>RS
"beqc r<RS>, r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (RS >= RT)
{
//BOVC
ALU32_BEGIN (GPR[RS] & 0x0ffffffff);
ALU32_ADD (GPR[RT] & 0x0ffffffff);
if (ALU32_HAD_OVERFLOW)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else if (RS == 0)
{
RA = CIA + 4;
//BEQZALC
if (GPR[RT] == 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else
{
//BEQC
if (GPR[RS] == GPR[RT])
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
}
011000,5.RS,5.RT,16.OFFSET:POOL32X:32::BNxxxC
"bnvc r<RS>, r<RT>, <OFFSET>":RS>=RT
"bnezalc r<RT>, <OFFSET>":RS==0&&RT>RS
"bnec r<RS>, r<RT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
if (RS >= RT)
{
//BNVC
ALU32_BEGIN (GPR[RS] & 0x0ffffffff);
ALU32_ADD (GPR[RT] & 0x0ffffffff);
if (!ALU32_HAD_OVERFLOW)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else if (RS == 0 && RT > RS)
{
//BNEZALC
RA = CIA + 4;
if (GPR[RT] != 0)
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
else
{
//BNEC
if (GPR[RT] != GPR[RS])
NIA = CIA + (EXTEND16 (OFFSET) << 2) + 4;
else
FORBIDDEN_SLOT ();
}
}
:%s::::R6COND:int r6cond
{
switch (r6cond)
{
case FP_R6CMP_SAF:
return "SAF";
case FP_R6CMP_SUN:
return "SUN";
case FP_R6CMP_SOR:
return "SOR";
case FP_R6CMP_SEQ:
return "SEQ";
case FP_R6CMP_SUNE:
return "SUNE";
case FP_R6CMP_SUEQ:
return "SUEQ";
case FP_R6CMP_SNE:
return "SNE";
case FP_R6CMP_SLT:
return "SLT";
case FP_R6CMP_SULT:
return "SULT";
case FP_R6CMP_SLE:
return "SLE";
case FP_R6CMP_SULE:
return "SULE";
case FP_R6CMP_AF:
return "AF";
case FP_R6CMP_UN:
return "UN";
case FP_R6CMP_OR:
return "OR";
case FP_R6CMP_EQ:
return "EQ";
case FP_R6CMP_UNE:
return "UNE";
case FP_R6CMP_UEQ:
return "UEQ";
case FP_R6CMP_NE:
return "NE";
case FP_R6CMP_LT:
return "LT";
case FP_R6CMP_ULT:
return "ULT";
case FP_R6CMP_LE:
return "LE";
case FP_R6CMP_ULE:
return "ULE";
default:
abort ();
}
}
010001,1010,1.FMT,5.FT,5.FS,5.FD,0,5.R6COND:POOL32X:32,f::CMP.cond.fmt
"cmp.%s<R6COND>.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
uint64_t result;
check_fpu (SD_);
TRACE_ALU_INPUT2 (ValueFPR (FS, FMT), ValueFPR (FT, FMT));
result = R6Compare (ValueFPR (FS, FMT), ValueFPR (FT, FMT), FMT, R6COND);
StoreFPR (FD, FMT, result);
TRACE_ALU_RESULT (result);
}
010001,01001,5.FT,16.OFFSET:POOL32X:32,f::BC1EQZ
"bc1eqz f<FT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
address_word offset = EXTEND16 (OFFSET) << 2;
check_fpu (SD_);
TRACE_ALU_INPUT1 (FGR[FT]);
if ((FGR[FT] & 0x01) == 0)
DELAY_SLOT (NIA + offset);
}
010001,01101,5.FT,16.OFFSET:POOL32X:32,f::BC1NEZ
"bc1nez f<FT>, <OFFSET>"
*mips32r6:
*mips64r6:
{
address_word offset = EXTEND16 (OFFSET) << 2;
check_fpu (SD_);
TRACE_ALU_INPUT1 (FGR[FT]);
if ((FGR[FT] & 0x01) != 0)
DELAY_SLOT (NIA + offset);
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,011000:POOLX:32,f::MADDF.fmt
"maddf.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT3 (FGR[FD], FGR[FS], FGR[FT]);
StoreFPR (FD, fmt, FusedMultiplyAdd (ValueFPR (FS, fmt),
ValueFPR (FT, fmt),
ValueFPR (FD, fmt), fmt));
TRACE_ALU_RESULT (FGR[FD]);
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,011001:POOLX:32,f::MSUBF.fmt
"msubf.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT3 (FGR[FD], FGR[FS], FGR[FT]);
StoreFPR (FD, fmt, FusedMultiplySub (ValueFPR (FS, fmt),
ValueFPR (FT, fmt),
ValueFPR (FD, fmt), fmt));
TRACE_ALU_RESULT (FGR[FD]);
}
000000,5.RS,5.RT,5.RD,000,2.IMM,000101:SPECIAL:32::LSA
"lsa r<RD>, r<RS>, r<RT>, <IMM + 1>"
*mips32r6:
*mips64r6:
{
uint32_t t = GPR[RS] << (IMM + 1);
GPR[RD] = EXTEND32(GPR[RT] + t);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,000,2.IMM,010101:SPECIAL:64::DLSA
"dlsa r<RD>, r<RS>, r<RT>, <IMM + 1>"
*mips64r6:
{
uint64_t t = GPR[RS] << (IMM + 1);
GPR[RD] = GPR[RT] + t;
TRACE_ALU_RESULT (GPR[RD]);
}
001111,5.RS!0,5.RT,16.IMMEDIATE:POOL32X:32::AUI
"aui r<RS>, r<RT>, <IMMEDIATE>"
*mips32r6:
*mips64r6:
{
TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
GPR[RT] = EXTEND32 (GPR[RS] + (EXTEND16 (IMMEDIATE) << 16));
TRACE_ALU_RESULT (GPR[RT]);
}
011101,5.RS!0,5.RT,16.IMMEDIATE:POOL32X:64::DAUI
"daui r<RS>, r<RT>, <IMMEDIATE>"
*mips64r6:
{
TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
GPR[RT] = GPR[RS] + (EXTEND16 (IMMEDIATE) << 16);
TRACE_ALU_RESULT (GPR[RT]);
}
000001,5.RS,00110,16.IMMEDIATE:POOL32X:64::DAHI
"dahi r<RS>, <IMMEDIATE>"
*mips64r6:
{
TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
GPR[RS] = GPR[RS] + (EXTEND16 (IMMEDIATE) << 32);
TRACE_ALU_RESULT (GPR[RS]);
}
000001,5.RS,11110,16.IMMEDIATE:POOL32X:64::DATI
"dati r<RS>, <IMMEDIATE>"
*mips64r6:
{
TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE);
GPR[RS] = GPR[RS] + (EXTEND16 (IMMEDIATE) << 48);
TRACE_ALU_RESULT (GPR[RS]);
}
011111,5.RS,5.RT,5.RD,010,2.IMMEDIATE,100000:POOL32X:32::ALIGN
"align r<RD>, r<RS>, r<RT>, <IMMEDIATE>"
*mips32r6:
*mips64r6:
{
uint32_t rs = GPR[RS];
uint32_t rt = GPR[RT];
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
GPR[RD] = EXTEND32 (rs >> 8 * (4 - IMMEDIATE) | rt << 8 * IMMEDIATE);
TRACE_ALU_RESULT (GPR[RD]);
}
011111,5.RS,5.RT,5.RD,01,3.IMMEDIATE,100100:POOL32X:64::DALIGN
"dalign r<RD>, r<RS>, r<RT>, <IMMEDIATE>"
*mips64r6:
{
uint64_t rs = GPR[RS];
uint64_t rt = GPR[RT];
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
GPR[RD] = rs >> 8 * (8 - IMMEDIATE) | rt << 8 * IMMEDIATE;
TRACE_ALU_RESULT (GPR[RD]);
}
011111,00000,5.RT,5.RD,00000,100000:POOL32X:32::BITSWAP
"bitswap r<RD>, r<RT>"
*mips32r6:
*mips64r6:
{
/* Taken from: http://graphics.stanford.edu/~seander/bithacks.html */
uint32_t v = GPR[RT];
TRACE_ALU_INPUT1 (v);
v = ((v >> 1) & 0x55555555) | ((v & 0x55555555) << 1);
v = ((v >> 2) & 0x33333333) | ((v & 0x33333333) << 2);
v = ((v >> 4) & 0x0F0F0F0F) | ((v & 0x0F0F0F0F) << 4);
GPR[RD] = EXTEND32 (v);
TRACE_ALU_RESULT(GPR[RD]);
}
011111,00000,5.RT,5.RD,00000,100100:POOL32X:64::DBITSWAP
"dbitswap r<RD>, r<RT>"
*mips64r6:
{
/* Taken from: http://graphics.stanford.edu/~seander/bithacks.html */
uint64_t v = GPR[RT];
TRACE_ALU_INPUT1 (v);
v = ((v >> 1) & 0x5555555555555555) | ((v & 0x5555555555555555) << 1);
v = ((v >> 2) & 0x3333333333333333) | ((v & 0x3333333333333333) << 2);
v = ((v >> 4) & 0x0F0F0F0F0F0F0F0F) | ((v & 0x0F0F0F0F0F0F0F0F) << 4);
TRACE_ALU_RESULT(v);
GPR[RD] = v;
}
111011,5.RS,00,19.IMMEDIATE:POOL32X:32::ADDIUPC
"addiupc r<RS>, <IMMEDIATE>"
*mips32r6:
*mips64r6:
{
TRACE_ALU_INPUT1 (IMMEDIATE);
GPR[RS] = loadstore_ea (SD_, CIA, EXTEND19 (IMMEDIATE) << 2);
TRACE_ALU_RESULT (GPR[RS]);
}
111011,5.RS,11110,16.IMMEDIATE:POOL32X:32::AUIPC
"auipc r<RS>, <IMMEDIATE>"
*mips32r6:
*mips64r6:
{
TRACE_ALU_INPUT1 (IMMEDIATE);
GPR[RS] = loadstore_ea (SD_, CIA, EXTEND32 (IMMEDIATE << 16));
TRACE_ALU_RESULT (GPR[RS]);
}
111011,5.RS,11111,16.IMMEDIATE:POOL32X:32::ALUIPC
"aluipc r<RS>, <IMMEDIATE>"
*mips32r6:
*mips64r6:
{
TRACE_ALU_INPUT1 (IMMEDIATE);
GPR[RS] = ~0x0FFFF & loadstore_ea (SD_, CIA, EXTEND32 (IMMEDIATE << 16));
TRACE_ALU_RESULT (GPR[RS]);
}
111011,5.RS,01,19.IMMEDIATE:POOL32X:32::LWPC
"lwpc r<RS>, <IMMEDIATE>"
*mips32r6:
*mips64r6:
{
uint32_t offset = EXTEND19 (IMMEDIATE) << 2;
TRACE_ALU_INPUT1 (IMMEDIATE);
GPR[RS] = EXTEND32 (do_load (SD_, AccessLength_WORD, CIA, offset));
TRACE_ALU_RESULT (GPR[RS]);
}
111011,5.RS,10,19.IMMEDIATE:POOL32X:64::LWUPC
"lwupc r<RS>, <IMMEDIATE>"
*mips64r6:
{
uint32_t offset = EXTEND19 (IMMEDIATE) << 2;
TRACE_ALU_INPUT1 (CIA + offset);
GPR[RS] = do_load (SD_, AccessLength_WORD, CIA, offset);
TRACE_ALU_RESULT (GPR[RS]);
}
111011,5.RS,110,18.IMMEDIATE:POOL32X:64::LDPC
"ldpc r<RS>, <IMMEDIATE>"
*mips64r6:
{
uint32_t offset = EXTEND18 (IMMEDIATE) << 3;
TRACE_ALU_INPUT1 (IMMEDIATE);
GPR[RS] = do_load (SD_, AccessLength_DOUBLEWORD, CIA, offset);
TRACE_ALU_RESULT (GPR[RS]);
}
010001,1000,1.FMT,00000,5.FS,5.FD,011010::32,64,f::RINT.fmt
"rint.%s<FMT> f<FD>, f<FS>"
*mips32r6:
*mips64r6:
{
uint64_t result;
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT1 (FGR[FS]);
RoundToIntegralExact (ValueFPR (FS, fmt), &result, fmt);
StoreFPR (FD, fmt, result);
TRACE_ALU_RESULT (FGR[FD]);
}
010001,1000,1.FMT,00000,5.FS,5.FD,011011::32,64,f::CLASS.fmt
"class.%s<FMT> f<FD>, f<FS>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
StoreFPR (FD, fmt, Classify (ValueFPR (FS, fmt), fmt));
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,011100::32,64,f::MIN.fmt
"min.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT2 (FGR[FS], FGR[FT]);
StoreFPR (FD, fmt, Min (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
TRACE_ALU_RESULT (FGR[FD]);
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,011110::32,64,f::MAX.fmt
"max.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT2 (FGR[FS], FGR[FT]);
StoreFPR (FD, fmt, Max (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
TRACE_ALU_RESULT (FGR[FD]);
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,011101::32,64,f::MINA.fmt
"mina.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT2 (FGR[FS], FGR[FT]);
StoreFPR (FD, fmt, MinA (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
TRACE_ALU_RESULT (FGR[FD]);
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,011111::32,64,f::MAXA.fmt
"maxa.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
int fmt = FMT;
check_fpu (SD_);
check_u64 (SD_, instruction_0);
check_fmt_p (SD_, fmt, instruction_0);
TRACE_ALU_INPUT2 (FGR[FS], FGR[FT]);
StoreFPR (FD, fmt, MaxA (ValueFPR (FS, fmt), ValueFPR (FT, fmt), fmt));
TRACE_ALU_RESULT (FGR[FD]);
}
000000,5.RS,5.RT,5.RD,00010,011000:POOL32X:32::MUL
"mul r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
int64_t prod;
if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
Unpredictable ();
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
prod = ((int64_t)(int32_t) GPR[RS])
* ((int64_t)(int32_t) GPR[RT]);
GPR[RD] = EXTEND32 (VL4_8 (prod));
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011000:POOL32X:32::MUH
"muh r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
int64_t prod;
if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
Unpredictable ();
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
prod = ((int64_t)(int32_t) GPR[RS])
* ((int64_t)(int32_t) GPR[RT]);
GPR[RD] = EXTEND32 (VH4_8 (prod));
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011001:POOL32X:32::MULU
"mulu r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
uint64_t prod;
if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
Unpredictable ();
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
prod = ((uint64_t)(uint32_t) GPR[RS])
* ((uint64_t)(uint32_t) GPR[RT]);
GPR[RD] = EXTEND32 (VL4_8 (prod));
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011001:POOL32X:32::MUHU
"muhu r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
uint64_t prod;
if (NotWordValue (GPR[RS]) || NotWordValue (GPR[RT]))
Unpredictable ();
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
prod = ((uint64_t)(uint32_t) GPR[RS])
* ((uint64_t)(uint32_t) GPR[RT]);
GPR[RD] = EXTEND32 (VH4_8 (prod));
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011010:POOL32X:32::DIV
"div r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
int32_t n = GPR[RS];
int32_t d = GPR[RT];
TRACE_ALU_INPUT2 (n,d);
if (d == 0)
GPR[RD] = EXTEND32 (0x80000000);
else if (n == SIGNED32 (0x80000000) && d == -1)
GPR[RD] = EXTEND32 (0x80000000);
else
GPR[RD] = EXTEND32 (n / d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011010:POOL32X:32::MOD
"mod r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
int32_t n = GPR[RS];
int32_t d = GPR[RT];
TRACE_ALU_INPUT2 (n,d);
if (d == 0 || (n == SIGNED32 (0x80000000) && d == -1))
GPR[RD] = EXTEND32 (0);
else
GPR[RD] = EXTEND32 (n % d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011011:POOL32X:32::DIVU
"divu r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
uint32_t n = GPR[RS];
uint32_t d = GPR[RT];
TRACE_ALU_INPUT2 (n,d);
if (d == 0)
GPR[RD] = EXTEND32 (0x80000000);
else
GPR[RD] = EXTEND32 (n / d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011011:POOL32X:32::MODU
"modu r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
uint32_t n = GPR[RS];
uint32_t d = GPR[RT];
TRACE_ALU_INPUT2 (n,d);
if (d == 0)
GPR[RD] = EXTEND32 (0);
else
GPR[RD] = EXTEND32 (n % d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011100:POOL32X:64::DMUL
"dmul r<RD>, r<RS>, r<RT>"
*mips64r6:
{
uint64_t lo;
uint64_t m00;
uint64_t m01;
uint64_t m10;
uint64_t mid;
int sign;
uint64_t op1 = GPR[RS];
uint64_t op2 = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (op1, op2);
/* make signed multiply unsigned */
sign = 0;
if ((int64_t) op1 < 0)
{
op1 = - op1;
++sign;
}
if ((int64_t) op2 < 0)
{
op2 = - op2;
++sign;
}
/* multiply out the sub products */
m00 = ((uint64_t) VL4_8 (op1) * (uint64_t) VL4_8 (op2));
m10 = ((uint64_t) VH4_8 (op1) * (uint64_t) VL4_8 (op2));
m01 = ((uint64_t) VL4_8 (op1) * (uint64_t) VH4_8 (op2));
/* add the products */
mid = ((uint64_t) VH4_8 (m00)
+ (uint64_t) VL4_8 (m10)
+ (uint64_t) VL4_8 (m01));
lo = U8_4 (mid, m00);
/* fix the sign */
if (sign & 1)
lo = -lo;
GPR[RD] = lo;
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011100:POOL32X:64::DMUH
"dmuh r<RD>, r<RS>, r<RT>"
*mips64r6:
{
uint64_t lo;
uint64_t hi;
uint64_t m00;
uint64_t m01;
uint64_t m10;
uint64_t m11;
uint64_t mid;
int sign;
uint64_t op1 = GPR[RS];
uint64_t op2 = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (op1, op2);
/* make signed multiply unsigned */
sign = 0;
if ((int64_t) op1 < 0)
{
op1 = - op1;
++sign;
}
if ((int64_t) op2 < 0)
{
op2 = - op2;
++sign;
}
/* multiply out the 4 sub products */
m00 = ((uint64_t) VL4_8 (op1) * (uint64_t) VL4_8 (op2));
m10 = ((uint64_t) VH4_8 (op1) * (uint64_t) VL4_8 (op2));
m01 = ((uint64_t) VL4_8 (op1) * (uint64_t) VH4_8 (op2));
m11 = ((uint64_t) VH4_8 (op1) * (uint64_t) VH4_8 (op2));
/* add the products */
mid = ((uint64_t) VH4_8 (m00)
+ (uint64_t) VL4_8 (m10)
+ (uint64_t) VL4_8 (m01));
lo = U8_4 (mid, m00);
hi = (m11
+ (uint64_t) VH4_8 (mid)
+ (uint64_t) VH4_8 (m01)
+ (uint64_t) VH4_8 (m10));
/* fix the sign */
if (sign & 1)
{
lo = -lo;
if (lo == 0)
hi = -hi;
else
hi = -hi - 1;
}
GPR[RD] = hi;
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011101:POOL32X:64::DMULU
"dmulu r<RD>, r<RS>, r<RT>"
*mips64r6:
{
uint64_t lo;
uint64_t m00;
uint64_t m01;
uint64_t m10;
uint64_t mid;
uint64_t op1 = GPR[RS];
uint64_t op2 = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (op1, op2);
/* multiply out the sub products */
m00 = ((uint64_t) VL4_8 (op1) * (uint64_t) VL4_8 (op2));
m10 = ((uint64_t) VH4_8 (op1) * (uint64_t) VL4_8 (op2));
m01 = ((uint64_t) VL4_8 (op1) * (uint64_t) VH4_8 (op2));
/* add the products */
mid = ((uint64_t) VH4_8 (m00)
+ (uint64_t) VL4_8 (m10)
+ (uint64_t) VL4_8 (m01));
lo = U8_4 (mid, m00);
GPR[RD] = lo;
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011101:POOL32X:64::DMUHU
"dmuhu r<RD>, r<RS>, r<RT>"
*mips64r6:
{
uint64_t lo;
uint64_t hi;
uint64_t m00;
uint64_t m01;
uint64_t m10;
uint64_t m11;
uint64_t mid;
uint64_t op1 = GPR[RS];
uint64_t op2 = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (op1, op2);
/* multiply out the 4 sub products */
m00 = ((uint64_t) VL4_8 (op1) * (uint64_t) VL4_8 (op2));
m10 = ((uint64_t) VH4_8 (op1) * (uint64_t) VL4_8 (op2));
m01 = ((uint64_t) VL4_8 (op1) * (uint64_t) VH4_8 (op2));
m11 = ((uint64_t) VH4_8 (op1) * (uint64_t) VH4_8 (op2));
/* add the products */
mid = ((uint64_t) VH4_8 (m00)
+ (uint64_t) VL4_8 (m10)
+ (uint64_t) VL4_8 (m01));
lo = U8_4 (mid, m00);
hi = (m11
+ (uint64_t) VH4_8 (mid)
+ (uint64_t) VH4_8 (m01)
+ (uint64_t) VH4_8 (m10));
GPR[RD] = hi;
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011110:POOL32X:64::DDIV
"ddiv r<RD>, r<RS>, r<RT>"
*mips64r6:
{
int64_t n = GPR[RS];
int64_t d = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (n, d);
if (d == 0)
GPR[RD] = SIGNED64 (0x8000000000000000);
else if (d == -1 && n == SIGNED64 (0x8000000000000000))
GPR[RD] = SIGNED64 (0x8000000000000000);
else
GPR[RD] = (n / d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011110:POOL32X:64::DMOD
"dmod r<RD>, r<RS>, r<RT>"
*mips64r6:
{
int64_t n = GPR[RS];
int64_t d = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (n, d);
if (d == 0 || (d == -1 && n == SIGNED64 (0x8000000000000000)))
GPR[RD] = SIGNED64 (0);
else
GPR[RD] = (n % d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00010,011111:POOL32X:64::DDIVU
"ddivu r<RD>, r<RS>, r<RT>"
*mips64r6:
{
uint64_t n = GPR[RS];
uint64_t d = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (n, d);
if (d == 0)
GPR[RD] = UNSIGNED64 (0x8000000000000000);
else
GPR[RD] = (n / d);
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00011,011111:POOL32X:64::DMODU
"dmodu r<RD>, r<RS>, r<RT>"
*mips64r6:
{
uint64_t n = GPR[RS];
uint64_t d = GPR[RT];
check_u64 (SD_, instruction_0);
TRACE_ALU_INPUT2 (n, d);
if (d == 0)
GPR[RD] = UNSIGNED64 (0);
else
GPR[RD] = (n % d);
TRACE_ALU_RESULT (GPR[RD]);
}
011111,5.BASE,5.RT,9.OFFSET,0,110110:SPECIAL3:32::LL
"ll r<RT>, <OFFSET>(r<BASE>)"
*mips32r6:
*mips64r6:
{
do_ll (SD_, RT, EXTEND9 (OFFSET), BASE);
}
011111,5.BASE,5.RT,5.RD,0000,1,110110:SPECIAL3:32::LLWP
"llwp r<RT>, r<RD>, (r<BASE>)"
*mips32r6:
*mips64r6:
{
int first, second;
int offset;
if (RT == BASE)
{
first = RD;
second = RT;
offset = BigEndianCPU ? 0 : 4;
}
else
{
first = RT;
second = RD;
offset = BigEndianCPU ? 4 : 0;
}
do_ll (SD_, first, offset, BASE);
do_ll (SD_, second, offset ^ 4, BASE);
}
011111,5.BASE,5.RT,9.OFFSET,0,100110:SPECIAL3:32::SC
"sc r<RT>, <OFFSET>(r<BASE>)"
*mips32r6:
*mips64r6:
{
do_sc (SD_, RT, EXTEND9 (OFFSET), BASE, instruction_0, 1);
}
011111,5.BASE,5.RT,9.OFFSET,0,110111:SPECIAL3:64::LLD
"lld r<RT>, <OFFSET>(r<BASE>)"
*mips64r6:
{
check_u64 (SD_, instruction_0);
do_lld (SD_, RT, EXTEND9 (OFFSET), BASE);
}
011111,5.BASE,5.RT,5.RD,0000,1,100110:SPECIAL3:32::SCWP
"scwp r<RT>, r<RD>, (r<BASE>)"
*mips32r6:
*mips64r6:
{
int offset = BigEndianCPU ? 0 : 4;
do_sc (SD_, RD, offset, BASE, instruction_0, 0);
do_sc (SD_, RT, offset ^ 4, BASE, instruction_0, 1);
}
011111,5.BASE,5.RT,5.RD,0000,1,110111:SPECIAL3:64::LLDP
"lldp r<RT>, r<RD>, (r<BASE>)"
*mips64r6:
{
int first, second;
int offset;
check_u64 (SD_, instruction_0);
if (RT == BASE)
{
first = RD;
second = RT;
offset = BigEndianCPU ? 0 : 8;
}
else
{
first = RT;
second = RD;
offset = BigEndianCPU ? 8 : 0;
}
do_lld (SD_, first, offset, BASE);
do_lld (SD_, second, offset ^ 8, BASE);
}
011111,5.BASE,5.RT,9.OFFSET,0,100111:SPECIAL3:64::SCD
"scd r<RT>, <OFFSET>(r<BASE>)"
*mips64r6:
{
check_u64 (SD_, instruction_0);
do_scd (SD_, RT, EXTEND9 (OFFSET), BASE, 1);
}
011111,5.BASE,5.RT,5.RD,0000,1,100111:SPECIAL3:64::SCDP
"scdp r<RT>, r<RD>, (r<BASE>)"
*mips64r6:
{
int offset = BigEndianCPU ? 0 : 8;
check_u64 (SD_, instruction_0);
do_scd (SD_, RD, offset, BASE, 0);
do_scd (SD_, RT, offset ^ 8, BASE, 1);
}
011111,5.BASE,5.HINT,9.OFFSET,0,110101:SPECIAL3:32::PREF
"pref <HINT>, <OFFSET>(r<BASE>)"
*mips32r6:
*mips64r6:
{
do_pref (SD_, HINT, EXTEND9 (OFFSET), BASE);
}
011111,5.BASE,5.HINT,9.OFFSET,0,100101:SPECIAL3:32::CACHE
"cache <HINT>, <OFFSET>(r<BASE>)"
*mips32r6:
*mips64r6:
{
do_cache (SD_, HINT, BASE, EXTEND9 (OFFSET), instruction_0);
}
000000,5.RS,00000,5.RD,00001,010000:POOL32X:32::CLZ
"clz r<RD>, r<RS>"
*mips32r6:
*mips64r6:
{
do_clz (SD_, RD, RS);
}
000000,5.RS,00000,5.RD,00001,010001:POOL32X:32::CLO
"clo r<RD>, r<RS>"
*mips32r6:
*mips64r6:
{
do_clo (SD_, RD, RS);
}
000000,5.RS,00000,5.RD,00001,010010:POOL32X:64::DCLZ
"dclz r<RD>, r<RS>"
*mips64r6:
{
check_u64 (SD_, instruction_0);
do_dclz (SD_, RD, RS);
}
000000,5.RS,00000,5.RD,00001,010011:POOL32X:64::DCLO
"dclo r<RD>, r<RS>"
*mips64r6:
{
check_u64 (SD_, instruction_0);
do_dclo (SD_, RD, RS);
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,010000:POOL32X:32,f::SEL.fmt
"sel.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
check_fpu (SD_);
check_fmt_p (SD_, FMT, instruction_0);
TRACE_ALU_INPUT3 (FGR[FD], ValueFPR(FS, FMT), ValueFPR(FT, FMT));
if ((FGR[FD] & 0x01) != 0)
StoreFPR (FD, FMT, ValueFPR (FT, FMT));
else
StoreFPR (FD, FMT, ValueFPR (FS, FMT));
TRACE_ALU_RESULT (ValueFPR(FD, FMT));
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,010100:POOL32X:32,f::SELEQZ.fmt
"seleqz.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
check_fpu (SD_);
check_fmt_p (SD_, FMT, instruction_0);
TRACE_ALU_INPUT2 (ValueFPR(FS, FMT), FGR[FT]);
if ((FGR[FT] & 0x01) == 0)
StoreFPR (FD, FMT, ValueFPR (FS, FMT));
else
StoreFPR (FD, FMT, 0);
TRACE_ALU_RESULT (ValueFPR(FD, FMT));
}
010001,1000,1.FMT,5.FT,5.FS,5.FD,010111:POOL32X:32,f::SELNEZ.fmt
"selnez.%s<FMT> f<FD>, f<FS>, f<FT>"
*mips32r6:
*mips64r6:
{
check_fpu (SD_);
check_fmt_p (SD_, FMT, instruction_0);
TRACE_ALU_INPUT2 (ValueFPR(FS, FMT), FGR[FT]);
if ((FGR[FT] & 0x01) == 0)
StoreFPR (FD, FMT, 0);
else
StoreFPR (FD, FMT, ValueFPR (FS, FMT));
TRACE_ALU_RESULT (ValueFPR(FD, FMT));
}
000000,5.RS,5.RT,5.RD,00000,110101:POOL32X:32::SELEQZ
"seleqz r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
if (GPR[RT] != 0)
GPR[RD] = 0;
else
GPR[RD] = GPR[RS];
TRACE_ALU_RESULT (GPR[RD]);
}
000000,5.RS,5.RT,5.RD,00000,110111:POOL32X:32::SELNEZ
"selnez r<RD>, r<RS>, r<RT>"
*mips32r6:
*mips64r6:
{
TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]);
if (GPR[RT] != 0)
GPR[RD] = GPR[RS];
else
GPR[RD] = 0;
TRACE_ALU_RESULT (GPR[RD]);
}
Reference in New Issue View Git Blame Copy Permalink