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| author | Aurelien Jarno <aurelien@aurel32.net> | 2013-04-20 08:56:13 +0000 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-04-26 23:02:42 +0200 |
| commit | bf45a2e67cab8fcccb24e389bbd4ef68866a1cff (patch) | |
| tree | 44908375dec15ab7b9ebadcef08e22993dee489b /target-ppc/fpu_helper.c | |
| parent | 414f5d1448fef9aad6d37f1d40d1158396573447 (diff) | |
| download | qemu-bf45a2e67cab8fcccb24e389bbd4ef68866a1cff.tar.gz | |
target-ppc: optimize fabs, fnabs, fneg
fabs, fnabs and fneg are just flipping the bit sign of an FP register,
this can be implemented in TCG instead of using softfloat.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc/fpu_helper.c')
| -rw-r--r-- | target-ppc/fpu_helper.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/target-ppc/fpu_helper.c b/target-ppc/fpu_helper.c index 1e141fb134..1f0eeab484 100644 --- a/target-ppc/fpu_helper.c +++ b/target-ppc/fpu_helper.c @@ -596,37 +596,6 @@ uint64_t helper_fdiv(CPUPPCState *env, uint64_t arg1, uint64_t arg2) return farg1.ll; } -/* fabs */ -uint64_t helper_fabs(CPUPPCState *env, uint64_t arg) -{ - CPU_DoubleU farg; - - farg.ll = arg; - farg.d = float64_abs(farg.d); - return farg.ll; -} - -/* fnabs */ -uint64_t helper_fnabs(CPUPPCState *env, uint64_t arg) -{ - CPU_DoubleU farg; - - farg.ll = arg; - farg.d = float64_abs(farg.d); - farg.d = float64_chs(farg.d); - return farg.ll; -} - -/* fneg */ -uint64_t helper_fneg(CPUPPCState *env, uint64_t arg) -{ - CPU_DoubleU farg; - - farg.ll = arg; - farg.d = float64_chs(farg.d); - return farg.ll; -} - /* fctiw - fctiw. */ uint64_t helper_fctiw(CPUPPCState *env, uint64_t arg) { |