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Fix MIPS64 R2 instructions.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3686 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-11-18 03:36:07 +00:00
parent 8c89395eeb
commit c6d6dd7c74
3 changed files with 34 additions and 30 deletions
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15
target-mips/op.c
View File

@ -693,10 +693,8 @@ void op_drotr32 (void)
{ {
target_ulong tmp; target_ulong tmp;
if (T1) {
tmp = T0 << (0x40 - (32 + T1)); tmp = T0 << (0x40 - (32 + T1));
T0 = (T0 >> (32 + T1)) | tmp; T0 = (T0 >> (32 + T1)) | tmp;
}
FORCE_RET(); FORCE_RET();
} }
@ -3091,7 +3089,7 @@ void op_ext(void)
unsigned int pos = PARAM1; unsigned int pos = PARAM1;
unsigned int size = PARAM2; unsigned int size = PARAM2;
T0 = ((uint32_t)T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0); T0 = (int32_t)((T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0));
FORCE_RET(); FORCE_RET();
} }
@ -3101,13 +3099,13 @@ void op_ins(void)
unsigned int size = PARAM2; unsigned int size = PARAM2;
target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos; target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos;
T0 = (T0 & ~mask) | (((uint32_t)T1 << pos) & mask); T0 = (int32_t)((T0 & ~mask) | ((T1 << pos) & mask));
FORCE_RET(); FORCE_RET();
} }
void op_wsbh(void) void op_wsbh(void)
{ {
T0 = ((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF); T0 = (int32_t)(((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF));
FORCE_RET(); FORCE_RET();
} }
@ -3117,7 +3115,7 @@ void op_dext(void)
unsigned int pos = PARAM1; unsigned int pos = PARAM1;
unsigned int size = PARAM2; unsigned int size = PARAM2;
T0 = (T1 >> pos) & ((size < 32) ? ((1 << size) - 1) : ~0); T0 = (T1 >> pos) & ((size < 64) ? ((1ULL << size) - 1) : ~0ULL);
FORCE_RET(); FORCE_RET();
} }
@ -3125,7 +3123,7 @@ void op_dins(void)
{ {
unsigned int pos = PARAM1; unsigned int pos = PARAM1;
unsigned int size = PARAM2; unsigned int size = PARAM2;
target_ulong mask = ((size < 32) ? ((1 << size) - 1) : ~0) << pos; target_ulong mask = ((size < 64) ? ((1ULL << size) - 1) : ~0ULL) << pos;
T0 = (T0 & ~mask) | ((T1 << pos) & mask); T0 = (T0 & ~mask) | ((T1 << pos) & mask);
FORCE_RET(); FORCE_RET();
@ -3139,7 +3137,8 @@ void op_dsbh(void)
void op_dshd(void) void op_dshd(void)
{ {
T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL); T1 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL);
T0 = (T1 << 32) | (T1 >> 32);
FORCE_RET(); FORCE_RET();
} }
#endif #endif

2
target-mips/op_helper.c
View File

@ -115,10 +115,8 @@ void do_drotr32 (void)
{ {
target_ulong tmp; target_ulong tmp;
if (T1) {
tmp = T0 << (0x40 - (32 + T1)); tmp = T0 << (0x40 - (32 + T1));
T0 = (T0 >> (32 + T1)) | tmp; T0 = (T0 >> (32 + T1)) | tmp;
}
} }
void do_dsllv (void) void do_dsllv (void)

19
target-mips/translate.c
View File

@ -1897,43 +1897,49 @@ static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
goto fail; goto fail;
gen_op_ext(lsb, msb + 1); gen_op_ext(lsb, msb + 1);
break; break;
#if defined(TARGET_MIPS64)
case OPC_DEXTM: case OPC_DEXTM:
if (lsb + msb > 63) if (lsb + msb > 63)
goto fail; goto fail;
gen_op_ext(lsb, msb + 1 + 32); gen_op_dext(lsb, msb + 1 + 32);
break; break;
case OPC_DEXTU: case OPC_DEXTU:
if (lsb + msb > 63) if (lsb + msb > 63)
goto fail; goto fail;
gen_op_ext(lsb + 32, msb + 1); gen_op_dext(lsb + 32, msb + 1);
break; break;
case OPC_DEXT: case OPC_DEXT:
gen_op_ext(lsb, msb + 1); if (lsb + msb > 63)
goto fail;
gen_op_dext(lsb, msb + 1);
break; break;
#endif
case OPC_INS: case OPC_INS:
if (lsb > msb) if (lsb > msb)
goto fail; goto fail;
GEN_LOAD_REG_TN(T0, rt); GEN_LOAD_REG_TN(T0, rt);
gen_op_ins(lsb, msb - lsb + 1); gen_op_ins(lsb, msb - lsb + 1);
break; break;
#if defined(TARGET_MIPS64)
case OPC_DINSM: case OPC_DINSM:
if (lsb > msb) if (lsb > msb)
goto fail; goto fail;
GEN_LOAD_REG_TN(T0, rt); GEN_LOAD_REG_TN(T0, rt);
gen_op_ins(lsb, msb - lsb + 1 + 32); gen_op_dins(lsb, msb - lsb + 1 + 32);
break; break;
case OPC_DINSU: case OPC_DINSU:
if (lsb > msb) if (lsb > msb)
goto fail; goto fail;
GEN_LOAD_REG_TN(T0, rt); GEN_LOAD_REG_TN(T0, rt);
gen_op_ins(lsb + 32, msb - lsb + 1); gen_op_dins(lsb + 32, msb - lsb + 1);
break; break;
case OPC_DINS: case OPC_DINS:
if (lsb > msb) if (lsb > msb)
goto fail; goto fail;
GEN_LOAD_REG_TN(T0, rt); GEN_LOAD_REG_TN(T0, rt);
gen_op_ins(lsb, msb - lsb + 1); gen_op_dins(lsb, msb - lsb + 1);
break; break;
#endif
default: default:
fail: fail:
MIPS_INVAL("bitops"); MIPS_INVAL("bitops");
@ -6156,6 +6162,7 @@ static void decode_opc (CPUState *env, DisasContext *ctx)
break; break;
} }
GEN_STORE_TN_REG(rd, T0); GEN_STORE_TN_REG(rd, T0);
break;
#endif #endif
default: /* Invalid */ default: /* Invalid */
MIPS_INVAL("special3"); MIPS_INVAL("special3");