From: Richard Sandiford <rdsandiford@googlemail.com>
Date: Sun, 20 Jan 2013 19:28:48 +0000 (+0000)
Subject: target-mips: Fix signedness of loads in MIPS16 RESTOREs
X-Git-Tag: v1.4.0-rc0~59
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=17e8fef1af2db3a13613a311db2ec2f7a69645a1;p=thirdparty%2Fqemu.git

target-mips: Fix signedness of loads in MIPS16 RESTOREs

Make RESTORE use sign-extending rather than zero-extending loads.

Signed-off-by: Richard Sandiford <rdsandiford@googlemail.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
---

diff --git a/target-mips/translate.c b/target-mips/translate.c
index 87226386782..8520d285193 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -9446,7 +9446,7 @@ static void gen_mips16_restore (DisasContext *ctx,
 
 #define DECR_AND_LOAD(reg) do {                   \
         tcg_gen_subi_tl(t0, t0, 4);               \
-        tcg_gen_qemu_ld32u(t1, t0, ctx->mem_idx); \
+        tcg_gen_qemu_ld32s(t1, t0, ctx->mem_idx); \
         gen_store_gpr(t1, reg);                   \
     } while (0)