Hexagon (target/hexagon) Improve code gen for predicated HVX instructions

[mirror_qemu.git] / target / hexagon / translate.h

diff --git a/target/hexagon/translate.h b/target/hexagon/translate.h
index 6e59a90c411c5ade9a8f21af43b76a50db541869..db832b0f88e4a3e391345f4ec2c8d17ec564b9b3 100644 (file)
--- a/target/hexagon/translate.h
+++ b/target/hexagon/translate.h
@@ -49,7 +49,6 @@ typedef struct DisasContext {
     int tmp_vregs_idx;
     int tmp_vregs_num[VECTOR_TEMPS_MAX];
     int vreg_log[NUM_VREGS];
-    bool vreg_is_predicated[NUM_VREGS];
     int vreg_log_idx;
     DECLARE_BITMAP(vregs_updated_tmp, NUM_VREGS);
     DECLARE_BITMAP(vregs_updated, NUM_VREGS);
@@ -57,7 +56,6 @@ typedef struct DisasContext {
     DECLARE_BITMAP(predicated_future_vregs, NUM_VREGS);
     DECLARE_BITMAP(predicated_tmp_vregs, NUM_VREGS);
     int qreg_log[NUM_QREGS];
-    bool qreg_is_predicated[NUM_QREGS];
     int qreg_log_idx;
     bool pre_commit;
     TCGCond branch_cond;
@@ -111,9 +109,11 @@ static inline void ctx_log_vreg_write(DisasContext *ctx,
                                       bool is_predicated)
 {
     if (type != EXT_TMP) {
-        ctx->vreg_log[ctx->vreg_log_idx] = rnum;
-        ctx->vreg_is_predicated[ctx->vreg_log_idx] = is_predicated;
-        ctx->vreg_log_idx++;
+        if (!test_bit(rnum, ctx->vregs_updated)) {
+            ctx->vreg_log[ctx->vreg_log_idx] = rnum;
+            ctx->vreg_log_idx++;
+            set_bit(rnum, ctx->vregs_updated);
+        }
 
         set_bit(rnum, ctx->vregs_updated);
         if (is_predicated) {
@@ -140,10 +140,9 @@ static inline void ctx_log_vreg_write_pair(DisasContext *ctx,
 }
 
 static inline void ctx_log_qreg_write(DisasContext *ctx,
-                                      int rnum, bool is_predicated)
+                                      int rnum)
 {
     ctx->qreg_log[ctx->qreg_log_idx] = rnum;
-    ctx->qreg_is_predicated[ctx->qreg_log_idx] = is_predicated;
     ctx->qreg_log_idx++;
 }
 
@@ -164,8 +163,6 @@ extern TCGv hex_dczero_addr;
 extern TCGv hex_llsc_addr;
 extern TCGv hex_llsc_val;
 extern TCGv_i64 hex_llsc_val_i64;
-extern TCGv hex_VRegs_updated;
-extern TCGv hex_QRegs_updated;
 extern TCGv hex_vstore_addr[VSTORES_MAX];
 extern TCGv hex_vstore_size[VSTORES_MAX];
 extern TCGv hex_vstore_pending[VSTORES_MAX];