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From: | Christian Jullien |
Subject: | Re: [Tinycc-devel] Annoying new warning |
Date: | Sat, 29 Apr 2017 07:53:52 +0200 |
No one looking at it? What is the behavior of this test when lower is unitialized? From: Christian JULLIEN Subject: [Tinycc-devel] Annoying new warning Date: Thu, 20 Apr 2017 09:29:31 +0200 (CEST) Trying to build mob on RPI I now get this new warning gcc -c ./lib/libtcc1.c -o libtcc1.o -DTCC_TARGET_ARM -Wall -g -O2 -Wdeclaration-after-statement -Wno-pointer-sign -Wno-sign-compare -Wno-unused-result -fno-strict-aliasing -I. -fPIC ./lib/libtcc1.c: In function __fixunsxfdi: ./lib/libtcc1.c:586:26: warning: dl1.l.upper is used uninitialized in this function [-Wuninitialized] if (dl1.l.lower == 0 && dl1.l.upper == 0) ^ unsigned long long __fixunsxfdi (long double a1) { register union ldouble_long dl1; register int exp; register unsigned long long l; dl1.ld = a1; if (dl1.l.lower == 0 && dl1.l.upper == 0) return (0); And union is defined as: /* only for x86 */ union ldouble_long { long double ld; struct { unsigned long long lower; unsigned short upper; } l; }; |
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