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authorJovanovic, Petar <petarj@mips.com>2012-12-11 15:06:35 +0000
committerAurelien Jarno <aurelien@aurel32.net>2013-01-01 11:55:57 +0100
commitc4aaba92e516ad061dff7ac2ae3c2b2b7058c404 (patch)
tree0f6727f6757086994421d1ccddcc7562abad98e5 /target-mips
parentfe65a1fad6aa140769ffda31c34a109f7d2df101 (diff)
downloadqemu-c4aaba92e516ad061dff7ac2ae3c2b2b7058c404.zip
target-mips: Make repl_ph to sign extend to target-long
The immediate value is 9bits, should sign-extend to 16bits. The return value to register should sign-extend to target_long, as Richard says, removing an unnecessary cast works fun. Signed-off-by: Dongxue Zhang <elta.era@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips')
-rw-r--r--target-mips/translate.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c
index e81ff38476..6281e70471 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -13769,9 +13769,10 @@ static void gen_mipsdsp_bitinsn(CPUMIPSState *env, DisasContext *ctx,
check_dsp(ctx);
{
imm = (ctx->opcode >> 16) & 0x03FF;
+ imm = (int16_t)(imm << 6) >> 6;
tcg_gen_movi_tl(cpu_gpr[ret], \
(target_long)((int32_t)imm << 16 | \
- (uint32_t)(uint16_t)imm));
+ (uint16_t)imm));
}
break;
case OPC_REPLV_PH: