Date: Tue, 16 May 2017 18:54:25 +0000 (UTC) From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r318365 - in stable: 10/lib/msun/src 11/lib/msun/src Message-ID: <201705161854.v4GIsPS1075530@repo.freebsd.org>
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Author: dim Date: Tue May 16 18:54:25 2017 New Revision: 318365 URL: https://svnweb.freebsd.org/changeset/base/318365 Log: MFC r318259: Silence a -Wunused warning about the junk variable being used to raise an inexact floating point exception. The variable cannot be eliminated, unfortunately, otherwise the desired addition triggering the exception will be emitted neither by clang, nor by gcc. Reviewed by: Steve Kargl, bde Modified: stable/10/lib/msun/src/catrig.c stable/10/lib/msun/src/catrigf.c Directory Properties: stable/10/ (props changed) Changes in other areas also in this revision: Modified: stable/11/lib/msun/src/catrig.c stable/11/lib/msun/src/catrigf.c Directory Properties: stable/11/ (props changed) Modified: stable/10/lib/msun/src/catrig.c ============================================================================== --- stable/10/lib/msun/src/catrig.c Tue May 16 18:46:56 2017 (r318364) +++ stable/10/lib/msun/src/catrig.c Tue May 16 18:54:25 2017 (r318365) @@ -37,7 +37,7 @@ __FBSDID("$FreeBSD$"); #define isinf(x) (fabs(x) == INFINITY) #undef isnan #define isnan(x) ((x) != (x)) -#define raise_inexact() do { volatile float junk = 1 + tiny; } while(0) +#define raise_inexact() do { volatile float junk __unused = 1 + tiny; } while(0) #undef signbit #define signbit(x) (__builtin_signbit(x)) Modified: stable/10/lib/msun/src/catrigf.c ============================================================================== --- stable/10/lib/msun/src/catrigf.c Tue May 16 18:46:56 2017 (r318364) +++ stable/10/lib/msun/src/catrigf.c Tue May 16 18:54:25 2017 (r318365) @@ -51,7 +51,7 @@ __FBSDID("$FreeBSD$"); #define isinf(x) (fabsf(x) == INFINITY) #undef isnan #define isnan(x) ((x) != (x)) -#define raise_inexact() do { volatile float junk = 1 + tiny; } while(0) +#define raise_inexact() do { volatile float junk __unused = 1 + tiny; } while(0) #undef signbit #define signbit(x) (__builtin_signbitf(x))
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