From 939aa4a29f5afbab4c4230e3075649b0870ae5ee Mon Sep 17 00:00:00 2001 From: eadler Date: Mon, 24 Jun 2013 19:12:17 +0000 Subject: Make the order of operations for lib/msun more clear. Tested with md5 sum of object code Reported by: swildner@DragonFlyBSD.org Submitted by: bde --- lib/msun/src/s_fma.c | 2 +- lib/msun/src/s_fmal.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'lib/msun') diff --git a/lib/msun/src/s_fma.c b/lib/msun/src/s_fma.c index 452bece..b1066c2 100644 --- a/lib/msun/src/s_fma.c +++ b/lib/msun/src/s_fma.c @@ -117,7 +117,7 @@ add_and_denormalize(double a, double b, int scale) if (sum.lo != 0) { EXTRACT_WORD64(hibits, sum.hi); bits_lost = -((int)(hibits >> 52) & 0x7ff) - scale + 1; - if (bits_lost != 1 ^ (int)(hibits & 1)) { + if ((bits_lost != 1) ^ (int)(hibits & 1)) { /* hibits += (int)copysign(1.0, sum.hi * sum.lo) */ EXTRACT_WORD64(lobits, sum.lo); hibits += 1 - (((hibits ^ lobits) >> 62) & 2); diff --git a/lib/msun/src/s_fmal.c b/lib/msun/src/s_fmal.c index 9271901..d435f4f 100644 --- a/lib/msun/src/s_fmal.c +++ b/lib/msun/src/s_fmal.c @@ -113,7 +113,7 @@ add_and_denormalize(long double a, long double b, int scale) if (sum.lo != 0) { u.e = sum.hi; bits_lost = -u.bits.exp - scale + 1; - if (bits_lost != 1 ^ (int)(u.bits.manl & 1)) + if ((bits_lost != 1) ^ (int)(u.bits.manl & 1)) sum.hi = nextafterl(sum.hi, INFINITY * sum.lo); } return (ldexp(sum.hi, scale)); -- cgit v1.1