aboutsummaryrefslogtreecommitdiff
path: root/target-mips/dsp_helper.c
diff options
context:
space:
mode:
authorPetar Jovanovic <petarj@mips.com>2013-02-06 18:05:25 +0100
committerAurelien Jarno <aurelien@aurel32.net>2013-02-23 22:20:44 +0100
commit9c19eb1e205b29018f6f61c5f43db6abbe7dc0e5 (patch)
tree06322cab1c08f85ad54636392baac20f99e20121 /target-mips/dsp_helper.c
parentd2123a079d983677ec8333940aa4bec803d98cde (diff)
downloadqemu-arm-9c19eb1e205b29018f6f61c5f43db6abbe7dc0e5.tar.gz
target-mips: fix for incorrect multiplication with MULQ_S.PH
The change corrects sign-related issue with MULQ_S.PH. It also includes extension to the already existing test which will trigger the issue. Signed-off-by: Petar Jovanovic <petarj@mips.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Diffstat (limited to 'target-mips/dsp_helper.c')
-rw-r--r--target-mips/dsp_helper.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-mips/dsp_helper.c b/target-mips/dsp_helper.c
index 96cb0447e2..6781da8214 100644
--- a/target-mips/dsp_helper.c
+++ b/target-mips/dsp_helper.c
@@ -652,7 +652,7 @@ static inline int32_t mipsdsp_sat16_mul_q15_q15(uint16_t a, uint16_t b,
temp = 0x7FFF0000;
set_DSPControl_overflow_flag(1, 21, env);
} else {
- temp = ((uint32_t)a * (uint32_t)b);
+ temp = (int16_t)a * (int16_t)b;
temp = temp << 1;
}