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The changes were verified by validating that the tcg ops generated by those instructions remain the same, which were captured with the '-d in_asm,op' flag. Reviewed-by: Richard Henderson Reviewed-by: Harsh Prateek Bora Signed-off-by: Chinmay Rath Signed-off-by: Nicholas Piggin --- target/ppc/insn32.decode | 26 ++++ target/ppc/translate.c | 136 --------------------- target/ppc/translate/fixedpoint-impl.c.inc | 70 +++++++++++ 3 files changed, 96 insertions(+), 136 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 4fcf3af8d0..eada59f59f 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -187,6 +187,12 @@ &X_a ra @X_a ...... ra:3 .. ..... ..... .......... . &X_a +&XO rt ra rb oe:bool rc:bool +@XO ...... rt:5 ra:5 rb:5 oe:1 ......... rc:1 &XO + +&XO_ta rt ra oe:bool rc:bool +@XO_ta ...... rt:5 ra:5 ..... oe:1 ......... rc:1 &XO_ta + %xx_xt 0:1 21:5 %xx_xb 1:1 11:5 %xx_xa 2:1 16:5 @@ -322,10 +328,30 @@ CMPLI 001010 ... - . ..... ................ @D_bfu ### Fixed-Point Arithmetic Instructions +ADD 011111 ..... ..... ..... . 100001010 . @XO +ADDC 011111 ..... ..... ..... . 000001010 . @XO +ADDE 011111 ..... ..... ..... . 010001010 . @XO + +# ADDEX is Z23-form, with CY=0; all other values for CY are reserved. +# This works out the same as X-form. +ADDEX 011111 ..... ..... ..... 00 10101010 - @X + ADDI 001110 ..... ..... ................ @D ADDIS 001111 ..... ..... ................ @D +ADDIC 001100 ..... ..... ................ @D +ADDIC_ 001101 ..... ..... ................ @D ADDPCIS 010011 ..... ..... .......... 00010 . @DX +ADDME 011111 ..... ..... ----- . 011101010 . @XO_ta +ADDZE 011111 ..... ..... ----- . 011001010 . @XO_ta + +SUBF 011111 ..... ..... ..... . 000101000 . @XO +SUBFIC 001000 ..... ..... ................ @D +SUBFC 011111 ..... ..... ..... . 000001000 . @XO +SUBFE 011111 ..... ..... ..... . 010001000 . @XO + +SUBFME 011111 ..... ..... ----- . 011101000 . @XO_ta +SUBFZE 011111 ..... ..... ----- . 011001000 . @XO_ta ## Fixed-Point Logical Instructions diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 28fc7791af..4f6f7dcd89 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -1735,61 +1735,6 @@ static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, tcg_gen_mov_tl(ret, t0); } } -/* Add functions with two operands */ -#define GEN_INT_ARITH_ADD(name, opc3, ca, add_ca, compute_ca, compute_ov) \ -static void glue(gen_, name)(DisasContext *ctx) \ -{ \ - gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ - cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ - ca, glue(ca, 32), \ - add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ -} -/* Add functions with one operand and one immediate */ -#define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, ca, \ - add_ca, compute_ca, compute_ov) \ -static void glue(gen_, name)(DisasContext *ctx) \ -{ \ - TCGv t0 = tcg_constant_tl(const_val); \ - gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], \ - cpu_gpr[rA(ctx->opcode)], t0, \ - ca, glue(ca, 32), \ - add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ -} - -/* add add. addo addo. */ -GEN_INT_ARITH_ADD(add, 0x08, cpu_ca, 0, 0, 0) -GEN_INT_ARITH_ADD(addo, 0x18, cpu_ca, 0, 0, 1) -/* addc addc. addco addco. */ -GEN_INT_ARITH_ADD(addc, 0x00, cpu_ca, 0, 1, 0) -GEN_INT_ARITH_ADD(addco, 0x10, cpu_ca, 0, 1, 1) -/* adde adde. addeo addeo. */ -GEN_INT_ARITH_ADD(adde, 0x04, cpu_ca, 1, 1, 0) -GEN_INT_ARITH_ADD(addeo, 0x14, cpu_ca, 1, 1, 1) -/* addme addme. addmeo addmeo. */ -GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, cpu_ca, 1, 1, 0) -GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, cpu_ca, 1, 1, 1) -/* addex */ -GEN_INT_ARITH_ADD(addex, 0x05, cpu_ov, 1, 1, 0); -/* addze addze. addzeo addzeo.*/ -GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, cpu_ca, 1, 1, 0) -GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, cpu_ca, 1, 1, 1) -/* addic addic.*/ -static inline void gen_op_addic(DisasContext *ctx, bool compute_rc0) -{ - TCGv c = tcg_constant_tl(SIMM(ctx->opcode)); - gen_op_arith_add(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], - c, cpu_ca, cpu_ca32, 0, 1, 0, compute_rc0); -} - -static void gen_addic(DisasContext *ctx) -{ - gen_op_addic(ctx, 0); -} - -static void gen_addic_(DisasContext *ctx) -{ - gen_op_addic(ctx, 1); -} static inline void gen_op_arith_divw(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, int sign, int compute_ov) @@ -2210,47 +2155,6 @@ static inline void gen_op_arith_subf(DisasContext *ctx, TCGv ret, TCGv arg1, tcg_gen_mov_tl(ret, t0); } } -/* Sub functions with Two operands functions */ -#define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ -static void glue(gen_, name)(DisasContext *ctx) \ -{ \ - gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ - cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ - add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ -} -/* Sub functions with one operand and one immediate */ -#define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ - add_ca, compute_ca, compute_ov) \ -static void glue(gen_, name)(DisasContext *ctx) \ -{ \ - TCGv t0 = tcg_constant_tl(const_val); \ - gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], \ - cpu_gpr[rA(ctx->opcode)], t0, \ - add_ca, compute_ca, compute_ov, Rc(ctx->opcode)); \ -} -/* subf subf. subfo subfo. */ -GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) -GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) -/* subfc subfc. subfco subfco. */ -GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) -GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) -/* subfe subfe. subfeo subfo. */ -GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) -GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) -/* subfme subfme. subfmeo subfmeo. */ -GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) -GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) -/* subfze subfze. subfzeo subfzeo.*/ -GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) -GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) - -/* subfic */ -static void gen_subfic(DisasContext *ctx) -{ - TCGv c = tcg_constant_tl(SIMM(ctx->opcode)); - gen_op_arith_subf(ctx, cpu_gpr[rD(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], - c, 0, 1, 0, 0); -} /* neg neg. nego nego. */ static inline void gen_op_arith_neg(DisasContext *ctx, bool compute_ov) @@ -6524,8 +6428,6 @@ GEN_HANDLER_E(cmpeqb, 0x1F, 0x00, 0x07, 0x00600000, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(cmpb, 0x1F, 0x1C, 0x0F, 0x00000001, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(cmprb, 0x1F, 0x00, 0x06, 0x00400001, PPC_NONE, PPC2_ISA300), GEN_HANDLER(isel, 0x1F, 0x0F, 0xFF, 0x00000001, PPC_ISEL), -GEN_HANDLER(addic, 0x0C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), -GEN_HANDLER2(addic_, "addic.", 0x0D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(mulhw, 0x1F, 0x0B, 0x02, 0x00000400, PPC_INTEGER), GEN_HANDLER(mulhwu, 0x1F, 0x0B, 0x00, 0x00000400, PPC_INTEGER), GEN_HANDLER(mullw, 0x1F, 0x0B, 0x07, 0x00000000, PPC_INTEGER), @@ -6536,7 +6438,6 @@ GEN_HANDLER(mulld, 0x1F, 0x09, 0x07, 0x00000000, PPC_64B), #endif GEN_HANDLER(neg, 0x1F, 0x08, 0x03, 0x0000F800, PPC_INTEGER), GEN_HANDLER(nego, 0x1F, 0x08, 0x13, 0x0000F800, PPC_INTEGER), -GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), @@ -6747,25 +6648,6 @@ GEN_HANDLER_E(maddhd_maddhdu, 0x04, 0x18, 0xFF, 0x00000000, PPC_NONE, GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), #endif -#undef GEN_INT_ARITH_ADD -#undef GEN_INT_ARITH_ADD_CONST -#define GEN_INT_ARITH_ADD(name, opc3, add_ca, compute_ca, compute_ov) \ -GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x00000000, PPC_INTEGER), -#define GEN_INT_ARITH_ADD_CONST(name, opc3, const_val, \ - add_ca, compute_ca, compute_ov) \ -GEN_HANDLER(name, 0x1F, 0x0A, opc3, 0x0000F800, PPC_INTEGER), -GEN_INT_ARITH_ADD(add, 0x08, 0, 0, 0) -GEN_INT_ARITH_ADD(addo, 0x18, 0, 0, 1) -GEN_INT_ARITH_ADD(addc, 0x00, 0, 1, 0) -GEN_INT_ARITH_ADD(addco, 0x10, 0, 1, 1) -GEN_INT_ARITH_ADD(adde, 0x04, 1, 1, 0) -GEN_INT_ARITH_ADD(addeo, 0x14, 1, 1, 1) -GEN_INT_ARITH_ADD_CONST(addme, 0x07, -1LL, 1, 1, 0) -GEN_INT_ARITH_ADD_CONST(addmeo, 0x17, -1LL, 1, 1, 1) -GEN_HANDLER_E(addex, 0x1F, 0x0A, 0x05, 0x00000000, PPC_NONE, PPC2_ISA300), -GEN_INT_ARITH_ADD_CONST(addze, 0x06, 0, 1, 1, 0) -GEN_INT_ARITH_ADD_CONST(addzeo, 0x16, 0, 1, 1, 1) - #undef GEN_INT_ARITH_DIVW #define GEN_INT_ARITH_DIVW(name, opc3, sign, compute_ov) \ GEN_HANDLER(name, 0x1F, 0x0B, opc3, 0x00000000, PPC_INTEGER) @@ -6804,24 +6686,6 @@ GEN_INT_ARITH_MUL_HELPER(mulhd, 0x02), GEN_INT_ARITH_MUL_HELPER(mulldo, 0x17), #endif -#undef GEN_INT_ARITH_SUBF -#undef GEN_INT_ARITH_SUBF_CONST -#define GEN_INT_ARITH_SUBF(name, opc3, add_ca, compute_ca, compute_ov) \ -GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x00000000, PPC_INTEGER), -#define GEN_INT_ARITH_SUBF_CONST(name, opc3, const_val, \ - add_ca, compute_ca, compute_ov) \ -GEN_HANDLER(name, 0x1F, 0x08, opc3, 0x0000F800, PPC_INTEGER), -GEN_INT_ARITH_SUBF(subf, 0x01, 0, 0, 0) -GEN_INT_ARITH_SUBF(subfo, 0x11, 0, 0, 1) -GEN_INT_ARITH_SUBF(subfc, 0x00, 0, 1, 0) -GEN_INT_ARITH_SUBF(subfco, 0x10, 0, 1, 1) -GEN_INT_ARITH_SUBF(subfe, 0x04, 1, 1, 0) -GEN_INT_ARITH_SUBF(subfeo, 0x14, 1, 1, 1) -GEN_INT_ARITH_SUBF_CONST(subfme, 0x07, -1LL, 1, 1, 0) -GEN_INT_ARITH_SUBF_CONST(subfmeo, 0x17, -1LL, 1, 1, 1) -GEN_INT_ARITH_SUBF_CONST(subfze, 0x06, 0, 1, 1, 0) -GEN_INT_ARITH_SUBF_CONST(subfzeo, 0x16, 0, 1, 1, 1) - #undef GEN_LOGICAL1 #undef GEN_LOGICAL2 #define GEN_LOGICAL2(name, tcg_op, opc, type) \ diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index 51c6fa7330..0c66465d96 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -325,6 +325,76 @@ static bool trans_ADDPCIS(DisasContext *ctx, arg_DX *a) return true; } +static bool trans_ADDEX(DisasContext *ctx, arg_X *a) +{ + REQUIRE_INSNS_FLAGS2(ctx, ISA300); + gen_op_arith_add(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], cpu_gpr[a->rb], + cpu_ov, cpu_ov32, true, true, false, false); + return true; +} + +static bool do_add_D(DisasContext *ctx, arg_D *a, bool add_ca, bool compute_ca, + bool compute_ov, bool compute_rc0) +{ + gen_op_arith_add(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], + tcg_constant_tl(a->si), cpu_ca, cpu_ca32, + add_ca, compute_ca, compute_ov, compute_rc0); + return true; +} + +static bool do_add_XO(DisasContext *ctx, arg_XO *a, bool add_ca, + bool compute_ca) +{ + gen_op_arith_add(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], cpu_gpr[a->rb], + cpu_ca, cpu_ca32, add_ca, compute_ca, a->oe, a->rc); + return true; +} + +static bool do_add_const_XO(DisasContext *ctx, arg_XO_ta *a, TCGv const_val, + bool add_ca, bool compute_ca) +{ + gen_op_arith_add(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], const_val, + cpu_ca, cpu_ca32, add_ca, compute_ca, a->oe, a->rc); + return true; +} + +TRANS(ADD, do_add_XO, false, false); +TRANS(ADDC, do_add_XO, false, true); +TRANS(ADDE, do_add_XO, true, true); +TRANS(ADDME, do_add_const_XO, tcg_constant_tl(-1LL), true, true); +TRANS(ADDZE, do_add_const_XO, tcg_constant_tl(0), true, true); +TRANS(ADDIC, do_add_D, false, true, false, false); +TRANS(ADDIC_, do_add_D, false, true, false, true); + +static bool trans_SUBFIC(DisasContext *ctx, arg_D *a) +{ + gen_op_arith_subf(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], + tcg_constant_tl(a->si), false, true, false, false); + return true; +} + +static bool do_subf_XO(DisasContext *ctx, arg_XO *a, bool add_ca, + bool compute_ca) +{ + gen_op_arith_subf(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], cpu_gpr[a->rb], + add_ca, compute_ca, a->oe, a->rc); + return true; +} + +static bool do_subf_const_XO(DisasContext *ctx, arg_XO_ta *a, TCGv const_val, + bool add_ca, bool compute_ca) +{ + gen_op_arith_subf(ctx, cpu_gpr[a->rt], cpu_gpr[a->ra], const_val, + add_ca, compute_ca, a->oe, a->rc); + return true; +} + +TRANS(SUBF, do_subf_XO, false, false) +TRANS(SUBFC, do_subf_XO, false, true) +TRANS(SUBFE, do_subf_XO, true, true) +TRANS(SUBFME, do_subf_const_XO, tcg_constant_tl(-1LL), true, true) +TRANS(SUBFZE, do_subf_const_XO, tcg_constant_tl(0), true, true) + static bool trans_INVALID(DisasContext *ctx, arg_INVALID *a) { gen_invalid(ctx); -- 2.42.0