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-rwxr-xr-xtarget/hexagon/gen_analyze_funcs.py5
-rw-r--r--target/hexagon/gen_tcg_hvx.h23
-rw-r--r--target/hexagon/translate.c17
-rw-r--r--target/hexagon/translate.h1
4 files changed, 44 insertions, 2 deletions
diff --git a/target/hexagon/gen_analyze_funcs.py b/target/hexagon/gen_analyze_funcs.py
index 86aec5ac4b..36da669450 100755
--- a/target/hexagon/gen_analyze_funcs.py
+++ b/target/hexagon/gen_analyze_funcs.py
@@ -212,6 +212,11 @@ def gen_analyze_func(f, tag, regs, imms):
if has_generated_helper and "A_SCALAR_LOAD" in hex_common.attribdict[tag]:
f.write(" ctx->need_pkt_has_store_s1 = true;\n")
+ ## Mark HVX instructions with generated helpers
+ if (has_generated_helper and
+ "A_CVI" in hex_common.attribdict[tag]):
+ f.write(" ctx->has_hvx_helper = true;\n")
+
f.write("}\n\n")
diff --git a/target/hexagon/gen_tcg_hvx.h b/target/hexagon/gen_tcg_hvx.h
index 8dceead5e5..44bae53f8d 100644
--- a/target/hexagon/gen_tcg_hvx.h
+++ b/target/hexagon/gen_tcg_hvx.h
@@ -140,6 +140,29 @@ static inline void assert_vhist_tmp(DisasContext *ctx)
sizeof(MMVector), sizeof(MMVector)); \
} while (0)
+/*
+ * Vector combine
+ *
+ * Be careful that the source and dest don't overlap
+ */
+#define fGEN_TCG_V6_vcombine(SHORTCODE) \
+ do { \
+ if (VddV_off != VuV_off) { \
+ tcg_gen_gvec_mov(MO_64, VddV_off, VvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ tcg_gen_gvec_mov(MO_64, VddV_off + sizeof(MMVector), VuV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } else { \
+ intptr_t tmpoff = offsetof(CPUHexagonState, vtmp); \
+ tcg_gen_gvec_mov(MO_64, tmpoff, VuV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ tcg_gen_gvec_mov(MO_64, VddV_off, VvV_off, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ tcg_gen_gvec_mov(MO_64, VddV_off + sizeof(MMVector), tmpoff, \
+ sizeof(MMVector), sizeof(MMVector)); \
+ } \
+ } while (0)
+
/* Vector conditional move */
#define fGEN_TCG_VEC_CMOV(PRED) \
do { \
diff --git a/target/hexagon/translate.c b/target/hexagon/translate.c
index 8e7a4377c8..fe85edc1ec 100644
--- a/target/hexagon/translate.c
+++ b/target/hexagon/translate.c
@@ -378,8 +378,20 @@ static bool need_commit(DisasContext *ctx)
return true;
}
- if (pkt->num_insns == 1 && !pkt->pkt_has_hvx) {
- return false;
+ if (pkt->num_insns == 1) {
+ if (pkt->pkt_has_hvx) {
+ /*
+ * The HVX instructions with generated helpers use
+ * pass-by-reference, so they need the read/write overlap
+ * check below.
+ * The HVX instructions with overrides are OK.
+ */
+ if (!ctx->has_hvx_helper) {
+ return false;
+ }
+ } else {
+ return false;
+ }
}
/* Check for overlap between register reads and writes */
@@ -454,6 +466,7 @@ static void analyze_packet(DisasContext *ctx)
{
Packet *pkt = ctx->pkt;
ctx->need_pkt_has_store_s1 = false;
+ ctx->has_hvx_helper = false;
for (int i = 0; i < pkt->num_insns; i++) {
Insn *insn = &pkt->insn[i];
ctx->insn = insn;
diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h
index 3f6fd3452c..26bcae0395 100644
--- a/target/hexagon/translate.h
+++ b/target/hexagon/translate.h
@@ -68,6 +68,7 @@ typedef struct DisasContext {
bool is_tight_loop;
bool need_pkt_has_store_s1;
bool short_circuit;
+ bool has_hvx_helper;
} DisasContext;
static inline void ctx_log_pred_write(DisasContext *ctx, int pnum)