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authorRichard Henderson <rth@twiddle.net>2017-07-18 10:02:42 -1000
committerAurelien Jarno <aurelien@aurel32.net>2017-07-18 23:39:17 +0200
commitbdcb3739024f3b6d53bd6dc34eaeafb3f2b996d9 (patch)
tree2cc1661cb2b92544eef73ac888d476fb469daa86 /target/sh4
parent4d57fa50d5208b92a06b0e08c32cc0bb7ab75aaf (diff)
target/sh4: Simplify 64-bit fp reg-reg move
We do not need to form full 64-bit quantities in order to perform the move. This reduces code expansion on 64-bit hosts. Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net> Message-Id: <20170718200255.31647-18-rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target/sh4')
-rw-r--r--target/sh4/translate.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/target/sh4/translate.c b/target/sh4/translate.c
index 7dfe23d1f4..792a46804b 100644
--- a/target/sh4/translate.c
+++ b/target/sh4/translate.c
@@ -981,10 +981,10 @@ static void _decode_opc(DisasContext * ctx)
case 0xf00c: /* fmov {F,D,X}Rm,{F,D,X}Rn - FPSCR: Nothing */
CHECK_FPU_ENABLED
if (ctx->tbflags & FPSCR_SZ) {
- TCGv_i64 fp = tcg_temp_new_i64();
- gen_load_fpr64(ctx, fp, XHACK(B7_4));
- gen_store_fpr64(ctx, fp, XHACK(B11_8));
- tcg_temp_free_i64(fp);
+ int xsrc = XHACK(B7_4);
+ int xdst = XHACK(B11_8);
+ tcg_gen_mov_i32(FREG(xdst), FREG(xsrc));
+ tcg_gen_mov_i32(FREG(xdst + 1), FREG(xsrc + 1));
} else {
tcg_gen_mov_i32(FREG(B11_8), FREG(B7_4));
}