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authorYongbok Kim <yongbok.kim@imgtec.com>2014-11-01 05:28:51 +0000
committerLeon Alrae <leon.alrae@imgtec.com>2014-11-03 11:48:35 +0000
commitf7685877f596cfe7e873be5479f975ae985edba9 (patch)
treed7ae0b14226adabbbd4ae232b7012bb080e0dc8c /target-mips/op_helper.c
parent3bdeb68866ef2eb212b660381e080f412cc7c817 (diff)
downloadqemu-arm-f7685877f596cfe7e873be5479f975ae985edba9.tar.gz
target-mips: add MSA MI10 format instructions
add MSA MI10 format instructions update LSA and DLSA for MSA add 16, 64 bit load and store Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com> Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Diffstat (limited to 'target-mips/op_helper.c')
-rw-r--r--target-mips/op_helper.c84
1 files changed, 80 insertions, 4 deletions
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 2a977210de..638c9f9dfb 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -90,10 +90,10 @@ static inline type do_##name(CPUMIPSState *env, target_ulong addr, \
} \
}
#endif
+HELPER_LD(lbu, ldub, uint8_t)
+HELPER_LD(lhu, lduw, uint16_t)
HELPER_LD(lw, ldl, int32_t)
-#ifdef TARGET_MIPS64
HELPER_LD(ld, ldq, int64_t)
-#endif
#undef HELPER_LD
#if defined(CONFIG_USER_ONLY)
@@ -118,10 +118,9 @@ static inline void do_##name(CPUMIPSState *env, target_ulong addr, \
}
#endif
HELPER_ST(sb, stb, uint8_t)
+HELPER_ST(sh, stw, uint16_t)
HELPER_ST(sw, stl, uint32_t)
-#ifdef TARGET_MIPS64
HELPER_ST(sd, stq, uint64_t)
-#endif
#undef HELPER_ST
target_ulong helper_clo (target_ulong arg1)
@@ -3626,3 +3625,80 @@ FOP_CONDN_S(sune, (float32_unordered(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
FOP_CONDN_S(sne, (float32_lt(fst1, fst0, &env->active_fpu.fp_status)
|| float32_lt(fst0, fst1, &env->active_fpu.fp_status)))
+
+/* MSA */
+/* Data format min and max values */
+#define DF_BITS(df) (1 << ((df) + 3))
+
+/* Element-by-element access macros */
+#define DF_ELEMENTS(df) (MSA_WRLEN / DF_BITS(df))
+
+void helper_msa_ld_df(CPUMIPSState *env, uint32_t df, uint32_t wd, uint32_t rs,
+ int32_t s10)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ target_ulong addr = env->active_tc.gpr[rs] + (s10 << df);
+ int i;
+
+ switch (df) {
+ case DF_BYTE:
+ for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
+ pwd->b[i] = do_lbu(env, addr + (i << DF_BYTE),
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ case DF_HALF:
+ for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
+ pwd->h[i] = do_lhu(env, addr + (i << DF_HALF),
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ case DF_WORD:
+ for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
+ pwd->w[i] = do_lw(env, addr + (i << DF_WORD),
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ case DF_DOUBLE:
+ for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
+ pwd->d[i] = do_ld(env, addr + (i << DF_DOUBLE),
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ }
+}
+
+void helper_msa_st_df(CPUMIPSState *env, uint32_t df, uint32_t wd, uint32_t rs,
+ int32_t s10)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ target_ulong addr = env->active_tc.gpr[rs] + (s10 << df);
+ int i;
+
+ switch (df) {
+ case DF_BYTE:
+ for (i = 0; i < DF_ELEMENTS(DF_BYTE); i++) {
+ do_sb(env, addr + (i << DF_BYTE), pwd->b[i],
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ case DF_HALF:
+ for (i = 0; i < DF_ELEMENTS(DF_HALF); i++) {
+ do_sh(env, addr + (i << DF_HALF), pwd->h[i],
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ case DF_WORD:
+ for (i = 0; i < DF_ELEMENTS(DF_WORD); i++) {
+ do_sw(env, addr + (i << DF_WORD), pwd->w[i],
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ case DF_DOUBLE:
+ for (i = 0; i < DF_ELEMENTS(DF_DOUBLE); i++) {
+ do_sd(env, addr + (i << DF_DOUBLE), pwd->d[i],
+ env->hflags & MIPS_HFLAG_KSU);
+ }
+ break;
+ }
+}