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Fix possible MMX issues with typecasting

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This commit is contained in:
Jonathan Campbell
2021-11-23 13:00:29 -08:00
parent 7f13799b98
commit f1019a6d9f
1 changed files with 16 additions and 16 deletions
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32
src/cpu/core_normal/prefix_0f_mmx.h
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@@ -386,7 +386,7 @@
src.q=LoadMq(eaa); src.q=LoadMq(eaa);
} }
if (src.ub.b0 > 63) dest->q = 0; if (src.ub.b0 > 63) dest->q = 0;
else dest->q <<= src.ub.b0; else dest->q <<= (uint64_t)src.ub.b0;
break; break;
} }
CASE_0F_MMX(0xd3) /* PSRLQ Pq,Qq */ CASE_0F_MMX(0xd3) /* PSRLQ Pq,Qq */
@@ -402,7 +402,7 @@
src.q=LoadMq(eaa); src.q=LoadMq(eaa);
} }
if (src.ub.b0 > 63) dest->q = 0; if (src.ub.b0 > 63) dest->q = 0;
else dest->q >>= src.ub.b0; else dest->q >>= (uint64_t)src.ub.b0;
break; break;
} }
CASE_0F_MMX(0x73) /* PSLLQ/PSRLQ Pq,Ib */ CASE_0F_MMX(0x73) /* PSLLQ/PSRLQ Pq,Ib */
@@ -415,9 +415,9 @@
else { else {
uint8_t op=rm&0x20; uint8_t op=rm&0x20;
if (op) { if (op) {
dest->q <<= shift; dest->q <<= (uint64_t)shift;
} else { } else {
dest->q >>= shift; dest->q >>= (uint64_t)shift;
} }
} }
break; break;
@@ -532,14 +532,14 @@
GetEAa; GetEAa;
src.q = LoadMq(eaa); src.q = LoadMq(eaa);
} }
dest->ub.b0 = SaturateWordSToByteU((int16_t)dest->ub.b0+(int16_t)src.ub.b0); dest->ub.b0 = SaturateWordSToByteU((uint16_t)dest->ub.b0+(uint16_t)src.ub.b0);
dest->ub.b1 = SaturateWordSToByteU((int16_t)dest->ub.b1+(int16_t)src.ub.b1); dest->ub.b1 = SaturateWordSToByteU((uint16_t)dest->ub.b1+(uint16_t)src.ub.b1);
dest->ub.b2 = SaturateWordSToByteU((int16_t)dest->ub.b2+(int16_t)src.ub.b2); dest->ub.b2 = SaturateWordSToByteU((uint16_t)dest->ub.b2+(uint16_t)src.ub.b2);
dest->ub.b3 = SaturateWordSToByteU((int16_t)dest->ub.b3+(int16_t)src.ub.b3); dest->ub.b3 = SaturateWordSToByteU((uint16_t)dest->ub.b3+(uint16_t)src.ub.b3);
dest->ub.b4 = SaturateWordSToByteU((int16_t)dest->ub.b4+(int16_t)src.ub.b4); dest->ub.b4 = SaturateWordSToByteU((uint16_t)dest->ub.b4+(uint16_t)src.ub.b4);
dest->ub.b5 = SaturateWordSToByteU((int16_t)dest->ub.b5+(int16_t)src.ub.b5); dest->ub.b5 = SaturateWordSToByteU((uint16_t)dest->ub.b5+(uint16_t)src.ub.b5);
dest->ub.b6 = SaturateWordSToByteU((int16_t)dest->ub.b6+(int16_t)src.ub.b6); dest->ub.b6 = SaturateWordSToByteU((uint16_t)dest->ub.b6+(uint16_t)src.ub.b6);
dest->ub.b7 = SaturateWordSToByteU((int16_t)dest->ub.b7+(int16_t)src.ub.b7); dest->ub.b7 = SaturateWordSToByteU((uint16_t)dest->ub.b7+(uint16_t)src.ub.b7);
break; break;
} }
CASE_0F_MMX(0xDD) /* PADDUSW Pq,Qq */ CASE_0F_MMX(0xDD) /* PADDUSW Pq,Qq */
@@ -554,10 +554,10 @@
GetEAa; GetEAa;
src.q = LoadMq(eaa); src.q = LoadMq(eaa);
} }
dest->uw.w0 = SaturateDwordSToWordU((int32_t)dest->uw.w0+(int32_t)src.uw.w0); dest->uw.w0 = SaturateDwordSToWordU((uint32_t)dest->uw.w0+(uint32_t)src.uw.w0);
dest->uw.w1 = SaturateDwordSToWordU((int32_t)dest->uw.w1+(int32_t)src.uw.w1); dest->uw.w1 = SaturateDwordSToWordU((uint32_t)dest->uw.w1+(uint32_t)src.uw.w1);
dest->uw.w2 = SaturateDwordSToWordU((int32_t)dest->uw.w2+(int32_t)src.uw.w2); dest->uw.w2 = SaturateDwordSToWordU((uint32_t)dest->uw.w2+(uint32_t)src.uw.w2);
dest->uw.w3 = SaturateDwordSToWordU((int32_t)dest->uw.w3+(int32_t)src.uw.w3); dest->uw.w3 = SaturateDwordSToWordU((uint32_t)dest->uw.w3+(uint32_t)src.uw.w3);
break; break;
} }
CASE_0F_MMX(0xF8) /* PSUBB Pq,Qq */ CASE_0F_MMX(0xF8) /* PSUBB Pq,Qq */