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Modified RV32F instructions to support 64-bit register file and added RV64F ISA extension

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This commit is contained in:
Santosh Raghav Srivatsan
2021-12-06 18:55:13 -05:00
parent 30a0d34151
commit e6eda67d0c
21 changed files with 459 additions and 316 deletions
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6
sim/common/util.h
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@@ -21,15 +21,15 @@ inline uint64_t align_size(uint64_t size, uint64_t alignment) {
return (size + alignment - 1) & ~(alignment - 1);
}
// Apply integer sign extension
// 64-bit sign extension
inline uint64_t signExt(uint64_t w, uint64_t bit, uint64_t mask) {
if (w >> (bit - 1))
w |= ~mask;
return w;
}
// Apply integer sign extension
inline uint32_t signExt32(uint32_t w, uint32_t bit, uint32_t mask) {
// 128-bit sign extension
inline __uint128_t signExt128(__uint128_t w, uint32_t bit, __uint128_t mask) {
if (w >> (bit - 1))
w |= ~mask;
return w;