diff options
author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-11 09:59:10 +0000 |
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committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-05-11 09:59:10 +0000 |
commit | fbcc68286a427fe75e7af98d28dee92c71ba0cb5 (patch) | |
tree | 631d75057960336fdcbfbea0fcf0dcf2fbf37ba5 | |
parent | 923617a396249fcac8710048f9db76345246f999 (diff) |
Implement FP madd/msub, wire up bc1any[24][ft].
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2802 c046a42c-6fe2-441c-8c8c-71466251a162
-rw-r--r-- | target-mips/op.c | 55 | ||||
-rw-r--r-- | target-mips/translate.c | 97 |
2 files changed, 140 insertions, 12 deletions
diff --git a/target-mips/op.c b/target-mips/op.c index 9b0cee0e35..15c541cf83 100644 --- a/target-mips/op.c +++ b/target-mips/op.c @@ -2185,6 +2185,7 @@ FLOAT_OP(name, d) \ FDT2 = float64_ ## name (FDT0, FDT1, &env->fp_status); \ update_fcr31(); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name, s) \ { \ @@ -2192,6 +2193,7 @@ FLOAT_OP(name, s) \ FST2 = float32_ ## name (FST0, FST1, &env->fp_status); \ update_fcr31(); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name, ps) \ { \ @@ -2200,6 +2202,7 @@ FLOAT_OP(name, ps) \ FSTH2 = float32_ ## name (FSTH0, FSTH1, &env->fp_status); \ update_fcr31(); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } FLOAT_BINOP(add) FLOAT_BINOP(sub) @@ -2207,6 +2210,16 @@ FLOAT_BINOP(mul) FLOAT_BINOP(div) #undef FLOAT_BINOP +FLOAT_OP(addr, ps) +{ + set_float_exception_flags(0, &env->fp_status); + FST2 = float32_add (FST0, FSTH0, &env->fp_status); + FSTH2 = float32_add (FST1, FSTH1, &env->fp_status); + update_fcr31(); + DEBUG_FPU_STATE(); + RETURN(); +} + /* ternary operations */ #define FLOAT_TERNOP(name1, name2) \ FLOAT_OP(name1 ## name2, d) \ @@ -2214,12 +2227,14 @@ FLOAT_OP(name1 ## name2, d) \ FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fp_status); \ FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fp_status); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name1 ## name2, s) \ { \ FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status); \ FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name1 ## name2, ps) \ { \ @@ -2228,28 +2243,65 @@ FLOAT_OP(name1 ## name2, ps) \ FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status); \ FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fp_status); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } FLOAT_TERNOP(mul, add) FLOAT_TERNOP(mul, sub) #undef FLOAT_TERNOP +/* negated ternary operations */ +#define FLOAT_NTERNOP(name1, name2) \ +FLOAT_OP(n ## name1 ## name2, d) \ +{ \ + FDT0 = float64_ ## name1 (FDT0, FDT1, &env->fp_status); \ + FDT2 = float64_ ## name2 (FDT0, FDT2, &env->fp_status); \ + FDT2 ^= 1ULL << 63; \ + DEBUG_FPU_STATE(); \ + RETURN(); \ +} \ +FLOAT_OP(n ## name1 ## name2, s) \ +{ \ + FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status); \ + FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status); \ + FST2 ^= 1 << 31; \ + DEBUG_FPU_STATE(); \ + RETURN(); \ +} \ +FLOAT_OP(n ## name1 ## name2, ps) \ +{ \ + FST0 = float32_ ## name1 (FST0, FST1, &env->fp_status); \ + FSTH0 = float32_ ## name1 (FSTH0, FSTH1, &env->fp_status); \ + FST2 = float32_ ## name2 (FST0, FST2, &env->fp_status); \ + FSTH2 = float32_ ## name2 (FSTH0, FSTH2, &env->fp_status); \ + FST2 ^= 1 << 31; \ + FSTH2 ^= 1 << 31; \ + DEBUG_FPU_STATE(); \ + RETURN(); \ +} +FLOAT_NTERNOP(mul, add) +FLOAT_NTERNOP(mul, sub) +#undef FLOAT_NTERNOP + /* unary operations, modifying fp status */ #define FLOAT_UNOP(name) \ FLOAT_OP(name, d) \ { \ FDT2 = float64_ ## name(FDT0, &env->fp_status); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name, s) \ { \ FST2 = float32_ ## name(FST0, &env->fp_status); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name, ps) \ { \ FST2 = float32_ ## name(FST0, &env->fp_status); \ FSTH2 = float32_ ## name(FSTH0, &env->fp_status); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } FLOAT_UNOP(sqrt) #undef FLOAT_UNOP @@ -2260,17 +2312,20 @@ FLOAT_OP(name, d) \ { \ FDT2 = float64_ ## name(FDT0); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name, s) \ { \ FST2 = float32_ ## name(FST0); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } \ FLOAT_OP(name, ps) \ { \ FST2 = float32_ ## name(FST0); \ FSTH2 = float32_ ## name(FSTH0); \ DEBUG_FPU_STATE(); \ + RETURN(); \ } FLOAT_UNOP(abs) FLOAT_UNOP(chs) diff --git a/target-mips/translate.c b/target-mips/translate.c index dda44d037f..8114178cf7 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -402,7 +402,7 @@ enum { OPC_MSUB_D = 0x29 | OPC_CP3, OPC_MSUB_PS = 0x2E | OPC_CP3, OPC_NMADD_S = 0x30 | OPC_CP3, - OPC_NMADD_D = 0x32 | OPC_CP3, + OPC_NMADD_D = 0x31 | OPC_CP3, OPC_NMADD_PS= 0x36 | OPC_CP3, OPC_NMSUB_S = 0x38 | OPC_CP3, OPC_NMSUB_D = 0x39 | OPC_CP3, @@ -4955,6 +4955,17 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, int ft, GEN_STORE_FTN_FREG(fd, WTH2); opn = "movn.ps"; break; + case FOP(24, 22): + CHECK_FR(ctx, fs | fd | ft); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WTH0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WTH1, ft); + gen_op_float_addr_ps(); + GEN_STORE_FTN_FREG(fd, WT2); + GEN_STORE_FTN_FREG(fd, WTH2); + opn = "addr.ps"; + break; case FOP(32, 22): CHECK_FR(ctx, fs); GEN_LOAD_FREG_FTN(WTH0, fs); @@ -5120,47 +5131,107 @@ static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, int fd, opn = "madd.s"; break; case OPC_MADD_D: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(DT0, fs); + GEN_LOAD_FREG_FTN(DT1, ft); + GEN_LOAD_FREG_FTN(DT2, fr); + gen_op_float_muladd_d(); + GEN_STORE_FTN_FREG(fd, DT2); opn = "madd.d"; break; case OPC_MADD_PS: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WTH0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WTH1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + GEN_LOAD_FREG_FTN(WTH2, fr); + gen_op_float_muladd_ps(); + GEN_STORE_FTN_FREG(fd, WT2); + GEN_STORE_FTN_FREG(fd, WTH2); opn = "madd.ps"; break; case OPC_MSUB_S: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + gen_op_float_mulsub_s(); + GEN_STORE_FTN_FREG(fd, WT2); opn = "msub.s"; break; case OPC_MSUB_D: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(DT0, fs); + GEN_LOAD_FREG_FTN(DT1, ft); + GEN_LOAD_FREG_FTN(DT2, fr); + gen_op_float_mulsub_d(); + GEN_STORE_FTN_FREG(fd, DT2); opn = "msub.d"; break; case OPC_MSUB_PS: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WTH0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WTH1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + GEN_LOAD_FREG_FTN(WTH2, fr); + gen_op_float_mulsub_ps(); + GEN_STORE_FTN_FREG(fd, WT2); + GEN_STORE_FTN_FREG(fd, WTH2); opn = "msub.ps"; break; case OPC_NMADD_S: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + gen_op_float_nmuladd_s(); + GEN_STORE_FTN_FREG(fd, WT2); opn = "nmadd.s"; break; case OPC_NMADD_D: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(DT0, fs); + GEN_LOAD_FREG_FTN(DT1, ft); + GEN_LOAD_FREG_FTN(DT2, fr); + gen_op_float_nmuladd_d(); + GEN_STORE_FTN_FREG(fd, DT2); opn = "nmadd.d"; break; case OPC_NMADD_PS: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WTH0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WTH1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + GEN_LOAD_FREG_FTN(WTH2, fr); + gen_op_float_nmuladd_ps(); + GEN_STORE_FTN_FREG(fd, WT2); + GEN_STORE_FTN_FREG(fd, WTH2); opn = "nmadd.ps"; break; case OPC_NMSUB_S: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + gen_op_float_nmulsub_s(); + GEN_STORE_FTN_FREG(fd, WT2); opn = "nmsub.s"; break; case OPC_NMSUB_D: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(DT0, fs); + GEN_LOAD_FREG_FTN(DT1, ft); + GEN_LOAD_FREG_FTN(DT2, fr); + gen_op_float_nmulsub_d(); + GEN_STORE_FTN_FREG(fd, DT2); opn = "nmsub.d"; break; case OPC_NMSUB_PS: - generate_exception (ctx, EXCP_RI); + GEN_LOAD_FREG_FTN(WT0, fs); + GEN_LOAD_FREG_FTN(WTH0, fs); + GEN_LOAD_FREG_FTN(WT1, ft); + GEN_LOAD_FREG_FTN(WTH1, ft); + GEN_LOAD_FREG_FTN(WT2, fr); + GEN_LOAD_FREG_FTN(WTH2, fr); + gen_op_float_nmulsub_ps(); + GEN_STORE_FTN_FREG(fd, WT2); + GEN_STORE_FTN_FREG(fd, WTH2); opn = "nmsub.ps"; break; default: @@ -5562,6 +5633,8 @@ static void decode_opc (CPUState *env, DisasContext *ctx) gen_cp1(ctx, op1, rt, rd); break; case OPC_BC1: + case OPC_BC1ANY2: + case OPC_BC1ANY4: gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), (rt >> 2) & 0x7, imm << 2); return; |