diff options
| author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-12-19 13:02:08 +0000 |
|---|---|---|
| committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-12-19 13:02:08 +0000 |
| commit | 644ad8066d171f5e0ce58912f72e1f13d55f4a93 (patch) | |
| tree | 65b8437367989d9e0ad2f900977b0ff53c06a933 /target-arm | |
| parent | 69397542d6e5372703f29aa99ba07aa15e787fe0 (diff) | |
Fix VFP fixed point conversion routines.
Signed-off-by: Paul Brook <paul@codesourcery.com>
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6103 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/helper.c | 2 | ||||
| -rw-r--r-- | target-arm/translate.c | 20 |
2 files changed, 13 insertions, 9 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index a59c938a81..8d98ca37c0 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -2522,7 +2522,7 @@ ftype VFP_HELPER(name##to, p)(ftype x, uint32_t shift, CPUState *env) \ ftype tmp; \ tmp = sign##int32_to_##ftype ((itype)vfp_##p##toi(x), \ &env->vfp.fp_status); \ - return ftype##_scalbn(tmp, shift, &env->vfp.fp_status); \ + return ftype##_scalbn(tmp, -(int)shift, &env->vfp.fp_status); \ } \ ftype VFP_HELPER(to##name, p)(ftype x, uint32_t shift, CPUState *env) \ { \ diff --git a/target-arm/translate.c b/target-arm/translate.c index 0650bc3a21..0f6fb01642 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -3001,6 +3001,10 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) case 21: case 22: case 23: + case 28: + case 29: + case 30: + case 31: /* Source and destination the same. */ gen_mov_F0_vreg(dp, rd); break; @@ -3120,22 +3124,22 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) case 20: /* fshto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_shto(dp, rm); + gen_vfp_shto(dp, 16 - rm); break; case 21: /* fslto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_slto(dp, rm); + gen_vfp_slto(dp, 32 - rm); break; case 22: /* fuhto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_uhto(dp, rm); + gen_vfp_uhto(dp, 16 - rm); break; case 23: /* fulto */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_ulto(dp, rm); + gen_vfp_ulto(dp, 32 - rm); break; case 24: /* ftoui */ gen_vfp_toui(dp); @@ -3152,22 +3156,22 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn) case 28: /* ftosh */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_tosh(dp, rm); + gen_vfp_tosh(dp, 16 - rm); break; case 29: /* ftosl */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_tosl(dp, rm); + gen_vfp_tosl(dp, 32 - rm); break; case 30: /* ftouh */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_touh(dp, rm); + gen_vfp_touh(dp, 16 - rm); break; case 31: /* ftoul */ if (!arm_feature(env, ARM_FEATURE_VFP3)) return 1; - gen_vfp_toul(dp, rm); + gen_vfp_toul(dp, 32 - rm); break; default: /* undefined */ printf ("rn:%d\n", rn); |