diff options
Diffstat (limited to 'target-ppc/op_helper.c')
| -rw-r--r-- | target-ppc/op_helper.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 61075c0866..751bd7212c 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -18,6 +18,7 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "exec.h" +#include "host-utils.h" #include "helper_regs.h" #include "op_helper.h" @@ -381,6 +382,18 @@ void do_subfzeo_64 (void) } #endif +void do_cntlzw (void) +{ + T0 = clz32(T0); +} + +#if defined(TARGET_PPC64) +void do_cntlzd (void) +{ + T0 = clz64(T0); +} +#endif + /* shift right arithmetic helper */ void do_sraw (void) { @@ -438,16 +451,6 @@ void do_srad (void) } #endif -static always_inline int popcnt (uint32_t val) -{ - int i; - - for (i = 0; val != 0;) - val = val ^ (val - 1); - - return i; -} - void do_popcntb (void) { uint32_t ret; @@ -455,7 +458,7 @@ void do_popcntb (void) ret = 0; for (i = 0; i < 32; i += 8) - ret |= popcnt((T0 >> i) & 0xFF) << i; + ret |= ctpop8((T0 >> i) & 0xFF) << i; T0 = ret; } @@ -467,7 +470,7 @@ void do_popcntb_64 (void) ret = 0; for (i = 0; i < 64; i += 8) - ret |= popcnt((T0 >> i) & 0xFF) << i; + ret |= ctpop8((T0 >> i) & 0xFF) << i; T0 = ret; } #endif @@ -1924,14 +1927,14 @@ static always_inline uint32_t _do_eaddw (uint32_t op1, uint32_t op2) static always_inline int _do_ecntlsw (uint32_t val) { if (val & 0x80000000) - return _do_cntlzw(~val); + return clz32(~val); else - return _do_cntlzw(val); + return clz32(val); } static always_inline int _do_ecntlzw (uint32_t val) { - return _do_cntlzw(val); + return clz32(val); } static always_inline uint32_t _do_eneg (uint32_t val) |