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target-mips: fix to clear MSACSR.Cause 

MSACSR.Cause bits are needed to be cleared before a vector floating-point
instructions.
FEXDO.df, FEXUPL.df and FEXUPR.df were missed out.

Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
This commit is contained in:
Yongbok Kim 2015-06-30 15:44:28 +01:00 committed by Leon Alrae
parent 4dc89b7820
commit d4f4f0d5d9
1 changed files with 6 additions and 0 deletions
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6
target-mips/msa_helper.c
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@ -2642,6 +2642,8 @@ void helper_msa_fexdo_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
wr_t *pwt = &(env->active_fpu.fpr[wt].wr);
uint32_t i;
clear_msacsr_cause(env);
switch (df) {
case DF_WORD:
for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
@ -3192,6 +3194,8 @@ void helper_msa_fexupl_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
uint32_t i;
clear_msacsr_cause(env);
switch (df) {
case DF_WORD:
for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
@ -3224,6 +3228,8 @@ void helper_msa_fexupr_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
wr_t *pws = &(env->active_fpu.fpr[ws].wr);
uint32_t i;
clear_msacsr_cause(env);
switch (df) {
case DF_WORD:
for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {