diff options
| author | j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-11-04 02:24:58 +0000 |
|---|---|---|
| committer | j_mayer <j_mayer@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-11-04 02:24:58 +0000 |
| commit | 7a51ad822f533472cab908d2622578d51eb97dc6 (patch) | |
| tree | 92e7d1dda1536cd9260d203ac93714e3adedd24b /host-utils.c | |
| parent | 077fc2061e254422c44b2de16c526476398113ae (diff) | |
For consistency, move muls64 / mulu64 prototypes to host-utils.h
Make x86_64 optimized versions inline.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3523 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'host-utils.c')
| -rw-r--r-- | host-utils.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/host-utils.c b/host-utils.c index a3c838f4d..7cd0843f9 100644 --- a/host-utils.c +++ b/host-utils.c @@ -28,6 +28,7 @@ //#define DEBUG_MULDIV /* Long integer helpers */ +#if !defined(__x86_64__) static void add128 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) { *plow += a; @@ -69,17 +70,10 @@ static void mul64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) *phigh += v; } - /* Unsigned 64x64 -> 128 multiplication */ void mulu64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) { -#if defined(__x86_64__) - __asm__ ("mul %0\n\t" - : "=d" (*phigh), "=a" (*plow) - : "a" (a), "0" (b)); -#else mul64(plow, phigh, a, b); -#endif #if defined(DEBUG_MULDIV) printf("mulu64: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n", a, b, *phigh, *plow); @@ -89,11 +83,6 @@ void mulu64 (uint64_t *plow, uint64_t *phigh, uint64_t a, uint64_t b) /* Signed 64x64 -> 128 multiplication */ void muls64 (uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b) { -#if defined(__x86_64__) - __asm__ ("imul %0\n\t" - : "=d" (*phigh), "=a" (*plow) - : "a" (a), "0" (b)); -#else int sa, sb; sa = (a < 0); @@ -106,9 +95,9 @@ void muls64 (uint64_t *plow, uint64_t *phigh, int64_t a, int64_t b) if (sa ^ sb) { neg128(plow, phigh); } -#endif #if defined(DEBUG_MULDIV) printf("muls64: 0x%016llx * 0x%016llx = 0x%016llx%016llx\n", a, b, *phigh, *plow); #endif } +#endif /* !defined(__x86_64__) */ |