diff options
| author | Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br> | 2022-05-25 10:49:50 -0300 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-06-20 08:38:58 -0300 |
| commit | 4724bbd28475210d25e0c949a7f424550487b187 (patch) | |
| tree | 0e1bd80eb2f3defa702031f7240601d0504c441b /include/qemu/host-utils.h | |
| parent | 9a1f0866a3caf0f98ff588ba84da4fa6be2dc39c (diff) | |
| download | qemu-4724bbd28475210d25e0c949a7f424550487b187.zip qemu-4724bbd28475210d25e0c949a7f424550487b187.tar.gz qemu-4724bbd28475210d25e0c949a7f424550487b187.tar.bz2 | |
host-utils: Implemented unsigned 256-by-128 division
Based on already existing QEMU implementation, created an unsigned 256
bit by 128 bit division needed to implement the vector divide extended
unsigned instruction from PowerISA3.1
Signed-off-by: Lucas Mateus Castro (alqotel) <lucas.araujo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220525134954.85056-5-lucas.araujo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'include/qemu/host-utils.h')
| -rw-r--r-- | include/qemu/host-utils.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/qemu/host-utils.h b/include/qemu/host-utils.h index f19bd29..9767af7 100644 --- a/include/qemu/host-utils.h +++ b/include/qemu/host-utils.h @@ -32,6 +32,7 @@ #include "qemu/compiler.h" #include "qemu/bswap.h" +#include "qemu/int128.h" #ifdef CONFIG_INT128 static inline void mulu64(uint64_t *plow, uint64_t *phigh, @@ -849,4 +850,5 @@ static inline uint64_t udiv_qrnnd(uint64_t *r, uint64_t n1, #endif } +Int128 divu256(Int128 *plow, Int128 *phigh, Int128 divisor); #endif |