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authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-05-11 09:59:10 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-05-11 09:59:10 +0000
commitfbcc68286a427fe75e7af98d28dee92c71ba0cb5 (patch)
tree631d75057960336fdcbfbea0fcf0dcf2fbf37ba5 /target-mips
parent923617a396249fcac8710048f9db76345246f999 (diff)
downloadqemu-fbcc68286a427fe75e7af98d28dee92c71ba0cb5.tar.gz
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
Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/op.c55
-rw-r--r--target-mips/translate.c97
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;