diff mbox

target-mips: fix to clear MSACSR.Cause

Message ID 1435675468-13545-1-git-send-email-yongbok.kim@imgtec.com
State New
Headers show

Commit Message

Yongbok Kim June 30, 2015, 2:44 p.m. UTC 
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>
---
 target-mips/msa_helper.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

Comments

Aurelien Jarno July 1, 2015, 2:25 p.m. UTC | #1 
On 2015-06-30 15:44, Yongbok Kim wrote:
> 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>
> ---
>  target-mips/msa_helper.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
diff mbox

Patch

diff --git a/target-mips/msa_helper.c b/target-mips/msa_helper.c
index 26ffdc7..a1cb48f 100644
--- a/target-mips/msa_helper.c
+++ b/target-mips/msa_helper.c
@@ -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++) {