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-rw-r--r--target-arm/helper.c2
-rw-r--r--target-arm/translate.c20
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);