Fix <iso/math_c99.h> signbit on Solaris
fixincludes: * inclhack.def (solaris_math_11): New fix. * fixincl.x: Regenerate. * tests/base/iso/math_c99.h [SOLARIS_MATH_11_CHECK]: New test. gcc/testsuite: * gcc.dg/signbit-sa.c: New test. From-SVN: r220577
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Rainer Orth
Rainer Orth
parent
bab4f4e37f
commit
9e27153139
@ -1,3 +1,9 @@
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2015-02-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* inclhack.def (solaris_math_11): New fix.
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* fixincl.x: Regenerate.
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* tests/base/iso/math_c99.h [SOLARIS_MATH_11_CHECK]: New test.
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2015-02-06 David Edelsohn <dje.gcc@gmail.com>
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PR bootstrap/53348
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@ -1,12 +1,12 @@
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/* -*- buffer-read-only: t -*- vi: set ro:
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*
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*
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* DO NOT EDIT THIS FILE (fixincl.x)
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*
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* It has been AutoGen-ed December 20, 2014 at 03:22:33 PM by AutoGen 5.18.5pre6
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*
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* It has been AutoGen-ed Friday February 6, 2015 at 04:31:58 PM CET
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* From the definitions inclhack.def
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* and the template file fixincl
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*/
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/* DO NOT SVN-MERGE THIS FILE, EITHER Sat Dec 20 15:22:33 PST 2014
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/* DO NOT SVN-MERGE THIS FILE, EITHER Fri Feb 6 16:31:58 CET 2015
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*
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* You must regenerate it. Use the ./genfixes script.
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*
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@ -15,7 +15,7 @@
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* certain ANSI-incompatible system header files which are fixed to work
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* correctly with ANSI C and placed in a directory that GNU C will search.
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*
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* This file contains 223 fixup descriptions.
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* This file contains 224 fixup descriptions.
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*
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* See README for more information.
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*
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@ -6856,6 +6856,60 @@ static const char* apzSolaris_Math_9Patch[] = {
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"^#define[ \t]+([a-z]+)\\(x, y\\)([ \t]+)\\(\\(x\\) __builtin_[a-z]+\\(y\\)\\)",
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(char*)NULL };
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/* * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Description of Solaris_Math_11 fix
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*/
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tSCC zSolaris_Math_11Name[] =
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"solaris_math_11";
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/*
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* File name selection pattern
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*/
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tSCC zSolaris_Math_11List[] =
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"iso/math_c99.h\0";
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/*
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* Machine/OS name selection pattern
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*/
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#define apzSolaris_Math_11Machs (const char**)NULL
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/*
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* content selection pattern - do fix if pattern found
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*/
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tSCC zSolaris_Math_11Select0[] =
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"@\\(#\\)math_c99\\.h[ \t]+1\\.[0-9]+[ \t]+[0-9/]+ ";
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#define SOLARIS_MATH_11_TEST_CT 1
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static tTestDesc aSolaris_Math_11Tests[] = {
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{ TT_EGREP, zSolaris_Math_11Select0, (regex_t*)NULL }, };
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/*
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* Fix Command Arguments for Solaris_Math_11
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*/
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static const char* apzSolaris_Math_11Patch[] = {
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"format",
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"#undef\tsignbit\n\
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#define\tsignbit(x)\t(sizeof(x) == sizeof(float) \\\n\
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\t\t\t ? __builtin_signbitf(x) \\\n\
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\t\t\t : sizeof(x) == sizeof(long double) \\\n\
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\t\t\t ? __builtin_signbitl(x) \\\n\
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\t\t\t : __builtin_signbit(x))",
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"^#undef[ \t]+signbit\n\
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#if defined\\(__sparc\\)\n\
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#define[ \t]+signbit\\(x\\)[ \t]+__extension__\\( \\\\\n\
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[ \t]+\\{[ \t]*__typeof\\(x\\)[ \t]*__x_s[ \t]*=[ \t]*\\(x\\);[ \t]*\\\\\n\
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[ \t]+\\(int\\)[ \t]*\\(\\*\\(unsigned[ \t]*\\*\\)[ \t]*\\&__x_s[ \t]*>>[ \t]*31\\);[ \t]*\\}\\)\n\
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#elif defined\\(__i386\\) \\|\\| defined\\(__amd64\\)\n\
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#define[ \t]+signbit\\(x\\)[ \t]+__extension__\\( \\\\\n\
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[ \t]+\\{ __typeof\\(x\\) __x_s = \\(x\\); \\\\\n\
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[ \t]+\\(sizeof \\(__x_s\\) == sizeof \\(float\\) \\? \\\\\n\
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[ \t]+\\(int\\) \\(\\*\\(unsigned \\*\\) \\&__x_s >> 31\\) : \\\\\n\
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[ \t]+sizeof \\(__x_s\\) == sizeof \\(double\\) \\? \\\\\n\
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[ \t]+\\(int\\) \\(\\(\\(unsigned \\*\\) \\&__x_s\\)\\[1\\] >> 31\\) : \\\\\n\
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[ \t]+\\(int\\) \\(\\(\\(unsigned short \\*\\) \\&__x_s\\)\\[4\\] >> 15\\)\\); \\}\\)\n\
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#endif",
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(char*)NULL };
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/* * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Description of Solaris_Once_Init_1 fix
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@ -9152,9 +9206,9 @@ static const char* apzX11_SprintfPatch[] = {
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*
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* List of all fixes
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*/
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#define REGEX_COUNT 260
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#define REGEX_COUNT 261
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#define MACH_LIST_SIZE_LIMIT 187
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#define FIX_COUNT 223
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#define FIX_COUNT 224
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/*
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* Enumerate the fixes
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@ -9325,6 +9379,7 @@ typedef enum {
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SOLARIS_MATH_4_FIXIDX,
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SOLARIS_MATH_8_FIXIDX,
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SOLARIS_MATH_9_FIXIDX,
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SOLARIS_MATH_11_FIXIDX,
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SOLARIS_ONCE_INIT_1_FIXIDX,
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SOLARIS_POSIX_SPAWN_RESTRICT_FIXIDX,
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SOLARIS_POW_INT_OVERLOAD_FIXIDX,
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@ -10211,6 +10266,11 @@ tFixDesc fixDescList[ FIX_COUNT ] = {
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SOLARIS_MATH_9_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
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aSolaris_Math_9Tests, apzSolaris_Math_9Patch, 0 },
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{ zSolaris_Math_11Name, zSolaris_Math_11List,
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apzSolaris_Math_11Machs,
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SOLARIS_MATH_11_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
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aSolaris_Math_11Tests, apzSolaris_Math_11Patch, 0 },
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{ zSolaris_Once_Init_1Name, zSolaris_Once_Init_1List,
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apzSolaris_Once_Init_1Machs,
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SOLARIS_ONCE_INIT_1_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE,
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@ -3548,6 +3548,58 @@ fix = {
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"#define isunordered(x, y) ((x) __builtin_isunordered(y))";
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};
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/*
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* Newer Solaris 10/11 GCC signbit implementations cause strict-aliasing
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* warnings.
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*/
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fix = {
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hackname = solaris_math_11;
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select = '@\(#\)math_c99\.h' "[ \t]+1\\.[0-9]+[ \t]+[0-9/]+ ";
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files = iso/math_c99.h;
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c_fix = format;
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c_fix_arg = << _EOArg_
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#undef signbit
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#define signbit(x) (sizeof(x) == sizeof(float) \
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? __builtin_signbitf(x) \
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: sizeof(x) == sizeof(long double) \
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? __builtin_signbitl(x) \
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: __builtin_signbit(x))
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_EOArg_;
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c_fix_arg = << _EOArg_
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^#undef[ ]+signbit
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#if defined\(__sparc\)
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#define[ ]+signbit\(x\)[ ]+__extension__\( \\
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[ ]+\{[ ]*__typeof\(x\)[ ]*__x_s[ ]*=[ ]*\(x\);[ ]*\\
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[ ]+\(int\)[ ]*\(\*\(unsigned[ ]*\*\)[ ]*\&__x_s[ ]*>>[ ]*31\);[ ]*\}\)
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#elif defined\(__i386\) \|\| defined\(__amd64\)
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#define[ ]+signbit\(x\)[ ]+__extension__\( \\
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[ ]+\{ __typeof\(x\) __x_s = \(x\); \\
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[ ]+\(sizeof \(__x_s\) == sizeof \(float\) \? \\
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[ ]+\(int\) \(\*\(unsigned \*\) \&__x_s >> 31\) : \\
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[ ]+sizeof \(__x_s\) == sizeof \(double\) \? \\
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[ ]+\(int\) \(\(\(unsigned \*\) \&__x_s\)\[1\] >> 31\) : \\
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[ ]+\(int\) \(\(\(unsigned short \*\) \&__x_s\)\[4\] >> 15\)\); \}\)
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#endif
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_EOArg_;
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test_text = << _EOText_
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/* @(#)math_c99.h 1.14 13/03/27 */
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#undef signbit
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#if defined(__sparc)
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#define signbit(x) __extension__( \\
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{ __typeof(x) __x_s = (x); \\
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(int) (*(unsigned *) &__x_s >> 31); })
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#elif defined(__i386) || defined(__amd64)
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#define signbit(x) __extension__( \\
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{ __typeof(x) __x_s = (x); \\
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(sizeof (__x_s) == sizeof (float) ? \\
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(int) (*(unsigned *) &__x_s >> 31) : \\
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sizeof (__x_s) == sizeof (double) ? \\
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(int) (((unsigned *) &__x_s)[1] >> 31) : \\
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(int) (((unsigned short *) &__x_s)[4] >> 15)); })
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#endif
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_EOText_;
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};
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/*
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* Sun Solaris defines PTHREAD_ONCE_INIT as an array containing a
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* structure. As such, it need two levels of brackets, but only
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@ -75,3 +75,14 @@
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#undef isunordered
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#define isunordered(x, y) __builtin_isunordered(x, y)
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#endif /* SOLARIS_MATH_9_CHECK */
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#if defined( SOLARIS_MATH_11_CHECK )
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/* @(#)math_c99.h 1.14 13/03/27 */
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#undef signbit
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#define signbit(x) (sizeof(x) == sizeof(float) \
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? __builtin_signbitf(x) \
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: sizeof(x) == sizeof(long double) \
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? __builtin_signbitl(x) \
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: __builtin_signbit(x))
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#endif /* SOLARIS_MATH_11_CHECK */
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@ -1,3 +1,7 @@
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2015-02-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* gcc.dg/signbit-sa.c: New test.
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2015-02-10 Jerry DeLisle <jvdelisle@gcc.gnu.org>
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PR libgfortran/57822
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11
gcc/testsuite/gcc.dg/signbit-sa.c
Normal file
11
gcc/testsuite/gcc.dg/signbit-sa.c
Normal file
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/* Some versions of Solaris <math.h> give strict-aliasing warnings for
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signbit. */
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/* { dg-options "-std=c99 -O2 -Wstrict-aliasing" } */
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#include <math.h>
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int
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main (void)
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{
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return signbit (1.0f) | signbit (1.0) | signbit (1.0l);;
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}
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