diff options
Diffstat (limited to 'toolchain/musl/patches/055-fix-strtod-int-optimization-in-non-nearest-rounding-mode.patch')
| -rw-r--r-- | toolchain/musl/patches/055-fix-strtod-int-optimization-in-non-nearest-rounding-mode.patch | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/toolchain/musl/patches/055-fix-strtod-int-optimization-in-non-nearest-rounding-mode.patch b/toolchain/musl/patches/055-fix-strtod-int-optimization-in-non-nearest-rounding-mode.patch deleted file mode 100644 index 1588b14658..0000000000 --- a/toolchain/musl/patches/055-fix-strtod-int-optimization-in-non-nearest-rounding-mode.patch +++ /dev/null @@ -1,38 +0,0 @@ -From 6ffdc4579ffb34f4aab69ab4c081badabc7c0a9a Mon Sep 17 00:00:00 2001 -From: Szabolcs Nagy <nsz@port70.net> -Date: Sun, 4 Sep 2016 04:51:03 +0200 -Subject: fix strtod int optimization in non-nearest rounding mode - -the mid-sized integer optimization relies on lnz set up properly -to mark the last non-zero decimal digit, but this was not done -if the non-zero digit lied outside the KMAX digits of the base -10^9 number representation. - -so if the fractional part was a very long list of zeros (>2048*9 on -x86) followed by non-zero digits then the integer optimization could -kick in discarding the tiny non-zero fraction which can mean wrong -result on non-nearest rounding mode. - -strtof, strtod and strtold were all affected. ---- - src/internal/floatscan.c | 5 ++++- - 1 file changed, 4 insertions(+), 1 deletion(-) - -diff --git a/src/internal/floatscan.c b/src/internal/floatscan.c -index 80305ee..ae09852 100644 ---- a/src/internal/floatscan.c -+++ b/src/internal/floatscan.c -@@ -110,7 +110,10 @@ static long double decfloat(FILE *f, int c, int bits, int emin, int sign, int po - gotdig=1; - } else { - dc++; -- if (c!='0') x[KMAX-4] |= 1; -+ if (c!='0') { -+ lnz = (KMAX-4)*9; -+ x[KMAX-4] |= 1; -+ } - } - } - if (!gotrad) lrp=dc; --- -cgit v0.11.2 |