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authorEdgar E. Iglesias <edgar.iglesias@xilinx.com>2018-05-08 18:42:31 +0200
committerEdgar E. Iglesias <edgar.iglesias@xilinx.com>2018-05-29 09:35:15 +0200
commite956caf2a6f1ba6e769b6e414b0a33aabae106c0 (patch)
tree41d114a6c2591731b02e5619b224f3e4d6535d97
parent43d318b220f52f3080293375a4d8c741b26e3563 (diff)
downloadfocaccia-qemu-e956caf2a6f1ba6e769b6e414b0a33aabae106c0.tar.gz
focaccia-qemu-e956caf2a6f1ba6e769b6e414b0a33aabae106c0.zip
target-microblaze: Use tcg_gen_movcond in eval_cond_jmp
Cleanup eval_cond_jmp to use tcg_gen_movcond_i64().
No functional change.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
-rw-r--r--target/microblaze/translate.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c
index 591d232304..b79600cba5 100644
--- a/target/microblaze/translate.c
+++ b/target/microblaze/translate.c
@@ -1171,12 +1171,16 @@ static inline void eval_cc(DisasContext *dc, unsigned int cc,
 
 static void eval_cond_jmp(DisasContext *dc, TCGv_i64 pc_true, TCGv_i64 pc_false)
 {
-    TCGLabel *l1 = gen_new_label();
-    /* Conditional jmp.  */
-    tcg_gen_mov_i64(cpu_SR[SR_PC], pc_false);
-    tcg_gen_brcondi_i32(TCG_COND_EQ, env_btaken, 0, l1);
-    tcg_gen_mov_i64(cpu_SR[SR_PC], pc_true);
-    gen_set_label(l1);
+    TCGv_i64 tmp_btaken = tcg_temp_new_i64();
+    TCGv_i64 tmp_zero = tcg_const_i64(0);
+
+    tcg_gen_extu_i32_i64(tmp_btaken, env_btaken);
+    tcg_gen_movcond_i64(TCG_COND_NE, cpu_SR[SR_PC],
+                        tmp_btaken, tmp_zero,
+                        pc_true, pc_false);
+
+    tcg_temp_free_i64(tmp_btaken);
+    tcg_temp_free_i64(tmp_zero);
 }
 
 static void dec_bcc(DisasContext *dc)