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Update to match 2016-09-04 FPAdder.v

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This commit is contained in:
Peter De Wachter 2016-10-04 21:56:32 +02:00
parent 52bd02f198
commit 6ce0b8c6f7
1 changed files with 6 additions and 3 deletions
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9
src/risc-fp.c
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@ -50,11 +50,14 @@ uint32_t fp_add(uint32_t x, uint32_t y, bool u, bool v) {
e1 -= 24;
}
bool xn = (x & 0x7FFFFFFF) == 0;
bool yn = (y & 0x7FFFFFFF) == 0;
if (v) {
return (int32_t)(sum << 5) >> 6;
} else if ((x & 0x7FFFFFFF) == 0) {
return !u ? y : 0;
} else if ((y & 0x7FFFFFFF) == 0) {
} else if (xn) {
return (u | yn) ? 0 : y;
} else if (yn) {
return x;
} else if ((t3 & 0x01FFFFFF) == 0 || (e1 & 0x100) != 0) {
return 0;