commit 6bb72b184d7fe0e1e08f9cca722e78d1d24920c2
author Aurelien Jarno <aurelien@aurel32.net> Mon May 04 09:54:57 2009 +0200
committer Aurelien Jarno <aurelien@aurel32.net> Mon May 04 10:05:21 2009 +0200
tree 1e99e84c63f4d55d1804af399f18371b837500fc
parent 88cbb9804bf59ba556f6e63ec6bb903ba8eb32a1

target-mips: proper sign extension for 'SUBU rd, zero, rt'

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

target-mips/translate.c

diff --git a/target-mips/translate.c b/target-mips/translate.c
index 2c163e0..7ecc9fd 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1604,6 +1604,7 @@
             tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
         } else if (rs == 0 && rt != 0) {
             tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
+            tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
         } else if (rs != 0 && rt == 0) {
             tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
         } else {