From 51e3930fc7ae8d3cff1ff0ecfdd63403b4c20f36 Mon Sep 17 00:00:00 2001 From: Christophe Lyon Date: Tue, 15 Feb 2011 13:44:44 +0000 Subject: target-arm: fix unsigned 64 bit right shifts. Fix range of shift amounts which always give 0 as result. Signed-off-by: Christophe Lyon Reviewed-by: Peter Maydell Signed-off-by: Aurelien Jarno --- target-arm/neon_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'target-arm') diff --git a/target-arm/neon_helper.c b/target-arm/neon_helper.c index 52ef994d2b..c97aa7dbd4 100644 --- a/target-arm/neon_helper.c +++ b/target-arm/neon_helper.c @@ -639,7 +639,7 @@ 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. */ -- cgit v1.2.3