summaryrefslogtreecommitdiffstats
path: root/target/mips/msa_helper.c
diff options
context:
space:
mode:
Diffstat (limited to 'target/mips/msa_helper.c')
-rw-r--r--target/mips/msa_helper.c170
1 files changed, 141 insertions, 29 deletions
diff --git a/target/mips/msa_helper.c b/target/mips/msa_helper.c
index f24061e2af..8c27c1b5bd 100644
--- a/target/mips/msa_helper.c
+++ b/target/mips/msa_helper.c
@@ -65,7 +65,147 @@
* +---------------+----------------------------------------------------------+
*/
-/* TODO: insert Bit Count group helpers here */
+static inline int64_t msa_nlzc_df(uint32_t df, int64_t arg)
+{
+ uint64_t x, y;
+ int n, c;
+
+ x = UNSIGNED(arg, df);
+ n = DF_BITS(df);
+ c = DF_BITS(df) / 2;
+
+ do {
+ y = x >> c;
+ if (y != 0) {
+ n = n - c;
+ x = y;
+ }
+ c = c >> 1;
+ } while (c != 0);
+
+ return n - x;
+}
+
+static inline int64_t msa_nloc_df(uint32_t df, int64_t arg)
+{
+ return msa_nlzc_df(df, UNSIGNED((~arg), df));
+}
+
+void helper_msa_nloc_b(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->b[0] = msa_nloc_df(DF_BYTE, pws->b[0]);
+ pwd->b[1] = msa_nloc_df(DF_BYTE, pws->b[1]);
+ pwd->b[2] = msa_nloc_df(DF_BYTE, pws->b[2]);
+ pwd->b[3] = msa_nloc_df(DF_BYTE, pws->b[3]);
+ pwd->b[4] = msa_nloc_df(DF_BYTE, pws->b[4]);
+ pwd->b[5] = msa_nloc_df(DF_BYTE, pws->b[5]);
+ pwd->b[6] = msa_nloc_df(DF_BYTE, pws->b[6]);
+ pwd->b[7] = msa_nloc_df(DF_BYTE, pws->b[7]);
+ pwd->b[8] = msa_nloc_df(DF_BYTE, pws->b[8]);
+ pwd->b[9] = msa_nloc_df(DF_BYTE, pws->b[9]);
+ pwd->b[10] = msa_nloc_df(DF_BYTE, pws->b[10]);
+ pwd->b[11] = msa_nloc_df(DF_BYTE, pws->b[11]);
+ pwd->b[12] = msa_nloc_df(DF_BYTE, pws->b[12]);
+ pwd->b[13] = msa_nloc_df(DF_BYTE, pws->b[13]);
+ pwd->b[14] = msa_nloc_df(DF_BYTE, pws->b[14]);
+ pwd->b[15] = msa_nloc_df(DF_BYTE, pws->b[15]);
+}
+
+void helper_msa_nloc_h(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->h[0] = msa_nloc_df(DF_HALF, pws->h[0]);
+ pwd->h[1] = msa_nloc_df(DF_HALF, pws->h[1]);
+ pwd->h[2] = msa_nloc_df(DF_HALF, pws->h[2]);
+ pwd->h[3] = msa_nloc_df(DF_HALF, pws->h[3]);
+ pwd->h[4] = msa_nloc_df(DF_HALF, pws->h[4]);
+ pwd->h[5] = msa_nloc_df(DF_HALF, pws->h[5]);
+ pwd->h[6] = msa_nloc_df(DF_HALF, pws->h[6]);
+ pwd->h[7] = msa_nloc_df(DF_HALF, pws->h[7]);
+}
+
+void helper_msa_nloc_w(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->w[0] = msa_nloc_df(DF_WORD, pws->w[0]);
+ pwd->w[1] = msa_nloc_df(DF_WORD, pws->w[1]);
+ pwd->w[2] = msa_nloc_df(DF_WORD, pws->w[2]);
+ pwd->w[3] = msa_nloc_df(DF_WORD, pws->w[3]);
+}
+
+void helper_msa_nloc_d(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->d[0] = msa_nloc_df(DF_DOUBLE, pws->d[0]);
+ pwd->d[1] = msa_nloc_df(DF_DOUBLE, pws->d[1]);
+}
+
+void helper_msa_nlzc_b(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->b[0] = msa_nlzc_df(DF_BYTE, pws->b[0]);
+ pwd->b[1] = msa_nlzc_df(DF_BYTE, pws->b[1]);
+ pwd->b[2] = msa_nlzc_df(DF_BYTE, pws->b[2]);
+ pwd->b[3] = msa_nlzc_df(DF_BYTE, pws->b[3]);
+ pwd->b[4] = msa_nlzc_df(DF_BYTE, pws->b[4]);
+ pwd->b[5] = msa_nlzc_df(DF_BYTE, pws->b[5]);
+ pwd->b[6] = msa_nlzc_df(DF_BYTE, pws->b[6]);
+ pwd->b[7] = msa_nlzc_df(DF_BYTE, pws->b[7]);
+ pwd->b[8] = msa_nlzc_df(DF_BYTE, pws->b[8]);
+ pwd->b[9] = msa_nlzc_df(DF_BYTE, pws->b[9]);
+ pwd->b[10] = msa_nlzc_df(DF_BYTE, pws->b[10]);
+ pwd->b[11] = msa_nlzc_df(DF_BYTE, pws->b[11]);
+ pwd->b[12] = msa_nlzc_df(DF_BYTE, pws->b[12]);
+ pwd->b[13] = msa_nlzc_df(DF_BYTE, pws->b[13]);
+ pwd->b[14] = msa_nlzc_df(DF_BYTE, pws->b[14]);
+ pwd->b[15] = msa_nlzc_df(DF_BYTE, pws->b[15]);
+}
+
+void helper_msa_nlzc_h(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->h[0] = msa_nlzc_df(DF_HALF, pws->h[0]);
+ pwd->h[1] = msa_nlzc_df(DF_HALF, pws->h[1]);
+ pwd->h[2] = msa_nlzc_df(DF_HALF, pws->h[2]);
+ pwd->h[3] = msa_nlzc_df(DF_HALF, pws->h[3]);
+ pwd->h[4] = msa_nlzc_df(DF_HALF, pws->h[4]);
+ pwd->h[5] = msa_nlzc_df(DF_HALF, pws->h[5]);
+ pwd->h[6] = msa_nlzc_df(DF_HALF, pws->h[6]);
+ pwd->h[7] = msa_nlzc_df(DF_HALF, pws->h[7]);
+}
+
+void helper_msa_nlzc_w(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->w[0] = msa_nlzc_df(DF_WORD, pws->w[0]);
+ pwd->w[1] = msa_nlzc_df(DF_WORD, pws->w[1]);
+ pwd->w[2] = msa_nlzc_df(DF_WORD, pws->w[2]);
+ pwd->w[3] = msa_nlzc_df(DF_WORD, pws->w[3]);
+}
+
+void helper_msa_nlzc_d(CPUMIPSState *env, uint32_t wd, uint32_t ws)
+{
+ wr_t *pwd = &(env->active_fpu.fpr[wd].wr);
+ wr_t *pws = &(env->active_fpu.fpr[ws].wr);
+
+ pwd->d[0] = msa_nlzc_df(DF_DOUBLE, pws->d[0]);
+ pwd->d[1] = msa_nlzc_df(DF_DOUBLE, pws->d[1]);
+}
/*
@@ -2524,32 +2664,6 @@ static inline int64_t msa_pcnt_df(uint32_t df, int64_t arg)
return x;
}
-static inline int64_t msa_nlzc_df(uint32_t df, int64_t arg)
-{
- uint64_t x, y;
- int n, c;
-
- x = UNSIGNED(arg, df);
- n = DF_BITS(df);
- c = DF_BITS(df) / 2;
-
- do {
- y = x >> c;
- if (y != 0) {
- n = n - c;
- x = y;
- }
- c = c >> 1;
- } while (c != 0);
-
- return n - x;
-}
-
-static inline int64_t msa_nloc_df(uint32_t df, int64_t arg)
-{
- return msa_nlzc_df(df, UNSIGNED((~arg), df));
-}
-
void helper_msa_fill_df(CPUMIPSState *env, uint32_t df, uint32_t wd,
uint32_t rs)
{
@@ -2633,8 +2747,6 @@ void helper_msa_ ## func ## _df(CPUMIPSState *env, uint32_t df, \
} \
}
-MSA_UNOP_DF(nlzc)
-MSA_UNOP_DF(nloc)
MSA_UNOP_DF(pcnt)
#undef MSA_UNOP_DF
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-12-12 10:38:35 +0100