diff options
Diffstat (limited to 'target-mips/op.c')
| -rw-r--r-- | target-mips/op.c | 67 |
1 files changed, 18 insertions, 49 deletions
diff --git a/target-mips/op.c b/target-mips/op.c index 1ecec9a57a..9e8324d49b 100644 --- a/target-mips/op.c +++ b/target-mips/op.c @@ -22,6 +22,7 @@ #include "config.h" #include "exec.h" +#include "host-utils.h" #ifndef CALL_FROM_TB0 #define CALL_FROM_TB0(func) func() @@ -537,35 +538,13 @@ void op_rotrv (void) void op_clo (void) { - int n; - - if (T0 == ~((target_ulong)0)) { - T0 = 32; - } else { - for (n = 0; n < 32; n++) { - if (!(((int32_t)T0) & (1 << 31))) - break; - T0 <<= 1; - } - T0 = n; - } + T0 = clo32(T0); RETURN(); } void op_clz (void) { - int n; - - if (T0 == 0) { - T0 = 32; - } else { - for (n = 0; n < 32; n++) { - if (T0 & (1 << 31)) - break; - T0 <<= 1; - } - T0 = n; - } + T0 = clz32(T0); RETURN(); } @@ -645,6 +624,18 @@ void op_drotrv (void) RETURN(); } +void op_dclo (void) +{ + CALL_FROM_TB0(do_dclo); + RETURN(); +} + +void op_dclz (void) +{ + CALL_FROM_TB0(do_dclz); + RETURN(); +} + #else /* TARGET_LONG_BITS > HOST_LONG_BITS */ void op_dsll (void) @@ -735,41 +726,19 @@ void op_drotrv (void) T0 = T1; RETURN(); } -#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ void op_dclo (void) { - int n; - - if (T0 == ~((target_ulong)0)) { - T0 = 64; - } else { - for (n = 0; n < 64; n++) { - if (!(T0 & (1ULL << 63))) - break; - T0 <<= 1; - } - T0 = n; - } + T0 = clo64(T0); RETURN(); } void op_dclz (void) { - int n; - - if (T0 == 0) { - T0 = 64; - } else { - for (n = 0; n < 64; n++) { - if (T0 & (1ULL << 63)) - break; - T0 <<= 1; - } - T0 = n; - } + T0 = clz64(T0); RETURN(); } +#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ #endif /* TARGET_MIPSN32 || TARGET_MIPS64 */ /* 64 bits arithmetic */ |