diff options
| -rw-r--r-- | include/qemu/bitops.h | 29 | ||||
| -rw-r--r-- | target/arm/sve_helper.c | 20 |
2 files changed, 29 insertions, 20 deletions
diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index a72f69fea8..03213ce952 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -292,6 +292,35 @@ static inline uint64_t ror64(uint64_t word, unsigned int shift) } /** + * hswap32 - swap 16-bit halfwords within a 32-bit value + * @h: value to swap + */ +static inline uint32_t hswap32(uint32_t h) +{ + return rol32(h, 16); +} + +/** + * hswap64 - swap 16-bit halfwords within a 64-bit value + * @h: value to swap + */ +static inline uint64_t hswap64(uint64_t h) +{ + uint64_t m = 0x0000ffff0000ffffull; + h = rol64(h, 32); + return ((h & m) << 16) | ((h >> 16) & m); +} + +/** + * wswap64 - swap 32-bit words within a 64-bit value + * @h: value to swap + */ +static inline uint64_t wswap64(uint64_t h) +{ + return rol64(h, 32); +} + +/** * extract32: * @value: the value to extract the bit field from * @start: the lowest bit in the bit field (numbered from 0) diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index 321098e265..dab5f1d1cd 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -152,26 +152,6 @@ static inline uint64_t expand_pred_s(uint8_t byte) return word[byte & 0x11]; } -/* Swap 16-bit words within a 32-bit word. */ -static inline uint32_t hswap32(uint32_t h) -{ - return rol32(h, 16); -} - -/* Swap 16-bit words within a 64-bit word. */ -static inline uint64_t hswap64(uint64_t h) -{ - uint64_t m = 0x0000ffff0000ffffull; - h = rol64(h, 32); - return ((h & m) << 16) | ((h >> 16) & m); -} - -/* Swap 32-bit words within a 64-bit word. */ -static inline uint64_t wswap64(uint64_t h) -{ - return rol64(h, 32); -} - #define LOGICAL_PPPP(NAME, FUNC) \ void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \ { \ |