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[Qemu-devel] [PATCH 3/6] target-arm: fix unsigned 64 bit right shifts.
From: |
christophe.lyon |
Subject: |
[Qemu-devel] [PATCH 3/6] target-arm: fix unsigned 64 bit right shifts. |
Date: |
Fri, 11 Feb 2011 16:10:59 +0100 |
From: Christophe Lyon <address@hidden>
Fix range of shift amounts which always give 0 as result.
Signed-off-by: Christophe Lyon <address@hidden>
---
target-arm/neon_helper.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c
index 1ac362f..907f7b7 100644
--- a/target-arm/neon_helper.c
+++ b/target-arm/neon_helper.c
@@ -656,7 +656,7 @@ uint32_t HELPER(neon_rshl_u32)(uint32_t val, uint32_t
shiftop)
uint64_t HELPER(neon_rshl_u64)(uint64_t val, uint64_t shiftop)
{
int8_t shift = (uint8_t)shiftop;
- if (shift >= 64 || shift < 64) {
+ if (shift >= 64 || shift < -64) {
val = 0;
} else if (shift == -64) {
/* Rounding a 1-bit result just preserves that bit. */
--
1.7.2.3
- Re: [Qemu-devel] [PATCH 4/6] target-arm: fix saturated values for Neon right shifts., (continued)