Date: Sat, 20 Mar 2010 21:15:56 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r205394 - head/lib/libc/sparc64/fpu Message-ID: <201003202115.o2KLFuhH090243@svn.freebsd.org>
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Author: marius Date: Sat Mar 20 21:15:56 2010 New Revision: 205394 URL: http://svn.freebsd.org/changeset/base/205394 Log: Ensure that __fpu_ftox() both returns the high bits and res[1] contains the low bits also in the default case. PR: 144900 Obtained from: OpenBSD MFC after: 3 days Modified: head/lib/libc/sparc64/fpu/fpu_implode.c Modified: head/lib/libc/sparc64/fpu/fpu_implode.c ============================================================================== --- head/lib/libc/sparc64/fpu/fpu_implode.c Sat Mar 20 21:04:47 2010 (r205393) +++ head/lib/libc/sparc64/fpu/fpu_implode.c Sat Mar 20 21:15:56 2010 (r205394) @@ -248,8 +248,8 @@ __fpu_ftox(fe, fp, res) sign = fp->fp_sign; switch (fp->fp_class) { case FPC_ZERO: - res[1] = 0; - return (0); + i = 0; + goto done; case FPC_NUM: /* @@ -273,15 +273,17 @@ __fpu_ftox(fe, fp, res) break; if (sign) i = -i; - res[1] = (int)i; - return (i >> 32); + goto done; default: /* Inf, qNaN, sNaN */ break; } /* overflow: replace any inexact exception with invalid */ fe->fe_cx = (fe->fe_cx & ~FSR_NX) | FSR_NV; - return (0x7fffffffffffffffLL + sign); + i = 0x7fffffffffffffffLL + sign; +done: + res[1] = i & 0xffffffff; + return (i >> 32); } /*
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