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Fix alu changes, enable 64bit in FPU

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- Move FPU DPI to support 64b
This commit is contained in:
Shashank Holla 2023-03-12 21:17:32 -04:00 • committed by Blaise Tine
parent 0735717f6c
commit bb539a25f8
1 changed files with 4 additions and 26 deletions
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30
hw/dpi/util_dpi.cpp
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@ -111,8 +111,8 @@ void dpi_imul(bool enable, int a, int b, bool is_signed_a, bool is_signed_b, int
if (!enable)
return;
uint64_t first = *(uint32_t*)&a;
uint64_t second = *(uint32_t*)&b;
uint64_t first = *(long int*)&a;
uint64_t second = *(long int*)&b;
if (is_signed_a && (first & 0x80000000)) {
first |= 0xFFFFFFFF00000000;
@ -158,27 +158,6 @@ void dpi_imul(bool enable, INT_LEN a, INT_LEN b, bool is_signed_a, bool is_signe
uint64_t second = *(INT_LEN*)&b;
umul64wide (a, b, (uint64_t *)resulth, (uint64_t *)resultl);
//if (a < 0LL) *resulth -= b;
//if (b < 0LL) *resultl -= a;
dpi_trace(1, "MUL - %lld %lld %lld %lld\n", a, b, *resulth, *resultl);
/*if (is_signed_a && (first & 0x80000000)) {
first |= 0xFFFFFFFF00000000;
}
if (is_signed_b && (second & 0x80000000)) {
second |= 0xFFFFFFFF00000000;
}
uint64_t result;
if (is_signed_a || is_signed_b) {
result = (int64_t)first * (int64_t)second;
} else {
result = first * second;
}
*resultl = result & 0xFFFFFFFF;
*resulth = (result >> 32) & 0xFFFFFFFF;*/
}
#endif
@ -187,8 +166,8 @@ void dpi_idiv(bool enable, int a, int b, bool is_signed, int* quotient, int* rem
if (!enable)
return;
uint32_t dividen = *(uint32_t*)&a;
uint32_t divisor = *(uint32_t*)&b;
uint32_t dividen = *(long int*)&a;
uint32_t divisor = *(long int*)&b;
if (is_signed) {
if (b == 0) {
@ -239,7 +218,6 @@ void dpi_idiv(bool enable, INT_LEN a, INT_LEN b, bool is_signed, INT_LEN* quotie
*remainder = dividen % divisor;
}
}
dpi_trace(1, "DIV - %d %lld %lld %lld %lld %lld %lld\n",is_signed , a, b, dividen, divisor, *quotient, *remainder);
}
#endif