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authorPeter Maydell <peter.maydell@linaro.org>2011-01-14 20:39:19 +0100
committerAurelien Jarno <aurelien@aurel32.net>2011-01-14 20:39:19 +0100
commit69d1fc221a0bcd6a9a17e79ab933ab7525f15973 (patch)
treec0dae88cf8c7a52b1047588643af63250b4ed13c
parent5df8bac1d3ea43b7f55ffab07cbc6d81a37d82ab (diff)
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target-arm: Translate with VFP len/stride from TB flags, not CPUState
When translating, the VFP vector length and stride for this TB are encoded in the TB flags; the CPUState copies may be different and must not be used. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
-rw-r--r--target-arm/translate.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c
index f8e3616..e15d10b 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -60,6 +60,8 @@ typedef struct DisasContext {
int user;
#endif
int vfp_enabled;
+ int vec_len;
+ int vec_stride;
} DisasContext;
#if defined(CONFIG_USER_ONLY)
@@ -2895,7 +2897,7 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn)
rm = VFP_SREG_M(insn);
}
- veclen = env->vfp.vec_len;
+ veclen = s->vec_len;
if (op == 15 && rn > 3)
veclen = 0;
@@ -2916,9 +2918,9 @@ static int disas_vfp_insn(CPUState * env, DisasContext *s, uint32_t insn)
veclen = 0;
} else {
if (dp)
- delta_d = (env->vfp.vec_stride >> 1) + 1;
+ delta_d = (s->vec_stride >> 1) + 1;
else
- delta_d = env->vfp.vec_stride + 1;
+ delta_d = s->vec_stride + 1;
if ((rm & bank_mask) == 0) {
/* mixed scalar/vector */
@@ -9104,6 +9106,8 @@ static inline void gen_intermediate_code_internal(CPUState *env,
}
#endif
dc->vfp_enabled = ARM_TBFLAG_VFPEN(tb->flags);
+ dc->vec_len = ARM_TBFLAG_VECLEN(tb->flags);
+ dc->vec_stride = ARM_TBFLAG_VECSTRIDE(tb->flags);
cpu_F0s = tcg_temp_new_i32();
cpu_F1s = tcg_temp_new_i32();
cpu_F0d = tcg_temp_new_i64();