[Qemu-devel] [PATCH 4/6] target/m68k: Optimize get_sr() using deposit_i32()

[Philippe Mathieu-Daudé]

Doing so we free one tcg_temp.

Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org>
---
 target/m68k/translate.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index ea95d55a11..f43ac07b7f 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -2217,15 +2217,11 @@ static TCGv gen_get_ccr(DisasContext *s)
 
 static TCGv gen_get_sr(DisasContext *s)
 {
-    TCGv ccr;
-    TCGv sr;
+    TCGv dest;
 
-    ccr = gen_get_ccr(s);
-    sr = tcg_temp_new();
-    tcg_gen_andi_i32(sr, QREG_SR, 0xffe0);
-    tcg_gen_or_i32(sr, sr, ccr);
-    tcg_temp_free(ccr);
-    return sr;
+    dest = gen_get_ccr(s);
+    tcg_gen_deposit_i32(dest, dest, QREG_SR, 5, 11);
+    return dest;
 }
 
 static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only)
-- 
2.19.1