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[Qemu-devel] [PATCH 07/10] target-i386: SSE4.2: fix pcmpXstrX instructio
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 07/10] target-i386: SSE4.2: fix pcmpXstrX instructions in "Equal ordered" mode |
Date: |
Tue, 26 Mar 2013 20:01:39 +0100 |
The inner loop should only change the current bit of the result, instead
of the whole result.
Signed-off-by: Aurelien Jarno <address@hidden>
---
target-i386/ops_sse.h | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target-i386/ops_sse.h b/target-i386/ops_sse.h
index 2fc5fdd..77ab410 100644
--- a/target-i386/ops_sse.h
+++ b/target-i386/ops_sse.h
@@ -2036,10 +2036,11 @@ static inline unsigned pcmpxstrx(CPUX86State *env, Reg
*d, Reg *s,
case 3:
for (j = valids - validd; j >= 0; j--) {
res <<= 1;
- res |= 1;
+ v = 1;
for (i = MIN(upper - j, validd); i >= 0; i--) {
- res &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
+ v &= (pcmp_val(s, ctrl, i + j) == pcmp_val(d, ctrl, i));
}
+ res |= v;
}
break;
}
--
1.7.10.4
- [Qemu-devel] [PATCH 02/10] target-i386: SSE4.2: fix pcmpgtq instruction, (continued)
- [Qemu-devel] [PATCH 02/10] target-i386: SSE4.2: fix pcmpgtq instruction, Aurelien Jarno, 2013/03/26
- [Qemu-devel] [PATCH 09/10] target-i386: enable SSE4.1 and SSE4.2 in TCG mode, Aurelien Jarno, 2013/03/26
- [Qemu-devel] [PATCH 10/10] target-i386: SSE4.2: use clz32/ctz32 instead of reinventing the wheel, Aurelien Jarno, 2013/03/26
- [Qemu-devel] [PATCH 06/10] target-i386: SSE4.2: fix pcmpXstrX instructions in "Equal each" mode, Aurelien Jarno, 2013/03/26
- [Qemu-devel] [PATCH 01/10] target-i386: SSE4.1: fix pinsrb instruction, Aurelien Jarno, 2013/03/26
- [Qemu-devel] [PATCH 07/10] target-i386: SSE4.2: fix pcmpXstrX instructions in "Equal ordered" mode,
Aurelien Jarno <=