Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Taylor Simpson <tsimp...@quicinc.com>
---
target/hexagon/gen_tcg_hvx.h | 106 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 106 insertions(+)
diff --git a/target/hexagon/gen_tcg_hvx.h b/target/hexagon/gen_tcg_hvx.h
index b5c6cad..a560504 100644
--- a/target/hexagon/gen_tcg_hvx.h
+++ b/target/hexagon/gen_tcg_hvx.h
@@ -18,4 +18,110 @@
#ifndef HEXAGON_GEN_TCG_HVX_H
#define HEXAGON_GEN_TCG_HVX_H
+/*
+ * Histogram instructions
+ *
+ * Note that these instructions operate directly on the vector registers
+ * and therefore happen after commit.
+ *
+ * The generate_<tag> function is called twice
+ * The first time is during the normal TCG generation
+ * ctx->pre_commit is true
+ * In the masked cases, we save the mask to the qtmp temporary
+ * Otherwise, there is nothing to do
+ * The second call is at the end of gen_commit_packet
+ * ctx->pre_commit is false
+ * Generate the call to the helper
+ */
+
+static inline void assert_vhist_tmp(DisasContext *ctx)
+{
+ /* vhist instructions require exactly one .tmp to be defined */
+ g_assert(ctx->tmp_vregs_idx == 1);
+}
+
+#define fGEN_TCG_V6_vhist(SHORTCODE) \
+ if (!ctx->pre_commit) { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vhist(cpu_env); \
+ }
+#define fGEN_TCG_V6_vhistq(SHORTCODE) \
+ do { \
+ if (ctx->pre_commit) { \
+ intptr_t dstoff = offsetof(CPUHexagonState, qtmp); \
+ tcg_gen_gvec_mov(MO_64, dstoff, QvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } else { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vhistq(cpu_env); \
+ } \
+ } while (0)
+#define fGEN_TCG_V6_vwhist256(SHORTCODE) \
+ if (!ctx->pre_commit) { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist256(cpu_env); \
+ }
+#define fGEN_TCG_V6_vwhist256q(SHORTCODE) \
+ do { \
+ if (ctx->pre_commit) { \
+ intptr_t dstoff = offsetof(CPUHexagonState, qtmp); \
+ tcg_gen_gvec_mov(MO_64, dstoff, QvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } else { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist256q(cpu_env); \
+ } \
+ } while (0)
+#define fGEN_TCG_V6_vwhist256_sat(SHORTCODE) \
+ if (!ctx->pre_commit) { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist256_sat(cpu_env); \
+ }
+#define fGEN_TCG_V6_vwhist256q_sat(SHORTCODE) \
+ do { \
+ if (ctx->pre_commit) { \
+ intptr_t dstoff = offsetof(CPUHexagonState, qtmp); \
+ tcg_gen_gvec_mov(MO_64, dstoff, QvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } else { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist256q_sat(cpu_env); \
+ } \
+ } while (0)
+#define fGEN_TCG_V6_vwhist128(SHORTCODE) \
+ if (!ctx->pre_commit) { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist128(cpu_env); \
+ }
+#define fGEN_TCG_V6_vwhist128q(SHORTCODE) \
+ do { \
+ if (ctx->pre_commit) { \
+ intptr_t dstoff = offsetof(CPUHexagonState, qtmp); \
+ tcg_gen_gvec_mov(MO_64, dstoff, QvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } else { \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist128q(cpu_env); \
+ } \
+ } while (0)
+#define fGEN_TCG_V6_vwhist128m(SHORTCODE) \
+ if (!ctx->pre_commit) { \
+ TCGv tcgv_uiV = tcg_constant_tl(uiV); \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist128m(cpu_env, tcgv_uiV); \
+ }
+#define fGEN_TCG_V6_vwhist128qm(SHORTCODE) \
+ do { \
+ if (ctx->pre_commit) { \
+ intptr_t dstoff = offsetof(CPUHexagonState, qtmp); \
+ tcg_gen_gvec_mov(MO_64, dstoff, QvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } else { \
+ TCGv tcgv_uiV = tcg_constant_tl(uiV); \
+ assert_vhist_tmp(ctx); \
+ gen_helper_vwhist128qm(cpu_env, tcgv_uiV); \
+ } \
+ } while (0)
+
+
#endif
--
2.7.4
