[BZ #2749]
* soft-fp/op-common.h (FP_TRUNC): When truncating a NaN, clear workbits in semi-raw fraction. * math/test-misc.c: Add new tests. * math/basic-test.c: Include test-skeleton.c. (TEST_TRUNC): Define. (truncdfsf_test, trunctfsf_test, trunctfdf_test): New. (main): Rename to ... (do_test): ...this. Run new tests. (TEST_FUNCTION): Define. [BZ #2749] * soft-fp/op-4.h (__FP_FRAC_SUB_3, __FP_FRAC_SUB_4): Correct borrow handling for high words. * soft-fp/op-common.h (_FP_OVERFLOW_SEMIRAW): Always set inexact and overflow for infinity. 2007-01-15 Jakub Jelinek <jakub@redhat.com> * soft-fp/op-common.h (FP_TRUNC): When truncating a NaN, clear workbits in semi-raw fraction. * math/test-misc.c: Add new tests. 2007-01-14 Steven Munroe <sjmunroe@us.ibm.com> * math/basic-test.c: Include test-skeleton.c. (TEST_TRUNC): Define. (truncdfsf_test, trunctfsf_test, trunctfdf_test): New. (main): Rename to ... (do_test): ...this. Run new tests. (TEST_FUNCTION): Define. 2006-10-05 Steven Munroe <sjmunroe@us.ibm.com> Joe Kerian <jkerian@us.us.ibm.com> [BZ #2749] * soft-fp/op-4.h (__FP_FRAC_SUB_3, __FP_FRAC_SUB_4): Correct borrow handling for high words. * soft-fp/op-common.h (_FP_OVERFLOW_SEMIRAW): Always set inexact and overflow for infinity.
This commit is contained in:
Jakub Jelinek
parent
2a1dea970d
commit
d68f5d2cff
25
ChangeLog
25
ChangeLog
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@ -1,3 +1,28 @@
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2007-01-15 Jakub Jelinek <jakub@redhat.com>
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* soft-fp/op-common.h (FP_TRUNC): When truncating a NaN, clear
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workbits in semi-raw fraction.
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* math/test-misc.c: Add new tests.
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2007-01-14 Steven Munroe <sjmunroe@us.ibm.com>
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* math/basic-test.c: Include test-skeleton.c.
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(TEST_TRUNC): Define.
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(truncdfsf_test, trunctfsf_test, trunctfdf_test): New.
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(main): Rename to ...
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(do_test): ...this. Run new tests.
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(TEST_FUNCTION): Define.
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2006-10-05 Steven Munroe <sjmunroe@us.ibm.com>
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Joe Kerian <jkerian@us.us.ibm.com>
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[BZ #2749]
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* soft-fp/op-4.h (__FP_FRAC_SUB_3, __FP_FRAC_SUB_4): Correct borrow
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handling for high words.
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* soft-fp/op-common.h (_FP_OVERFLOW_SEMIRAW): Always set inexact
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and overflow for infinity.
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2007-01-15 Ulrich Drepper <drepper@redhat.com>
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* nscd/connections.c (handle_request): Add a __builtin_expect.
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@ -1,4 +1,4 @@
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/* Copyright (C) 1999 Free Software Foundation, Inc.
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/* Copyright (C) 1999, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Andreas Jaeger <aj@suse.de>, 1999.
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@ -44,7 +44,7 @@ NAME (void) \
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\
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zero_var = 0.0; \
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one_var = 1.0; \
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NaN_var = zero_var/zero_var; \
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NaN_var = zero_var / zero_var; \
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Inf_var = one_var / zero_var; \
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\
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(void) &zero_var; \
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@ -103,21 +103,51 @@ NAME (void) \
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check (#FLOAT " isinf (-HUGE_VALx) == -1", isinf (x1) == -1); \
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}
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#define TEST_TRUNC(NAME, FLOAT, DOUBLE) \
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void \
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NAME (void) \
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{ \
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volatile DOUBLE Inf_var, NaN_var, zero_var, one_var; \
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FLOAT x1, x2; \
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\
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zero_var = 0.0; \
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one_var = 1.0; \
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NaN_var = zero_var / zero_var; \
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Inf_var = one_var / zero_var; \
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\
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(void) &NaN_var; \
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(void) &Inf_var; \
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\
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x1 = (FLOAT) NaN_var; \
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check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") NaN", isnan (x1) != 0); \
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x2 = (FLOAT) Inf_var; \
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check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") Inf", isinf (x2) != 0); \
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}
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TEST_FUNC (float_test, float, nanf, FLT_EPSILON, HUGE_VALF)
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TEST_FUNC (double_test, double, nan, DBL_EPSILON, HUGE_VAL)
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TEST_TRUNC (truncdfsf_test, float, double)
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#ifndef NO_LONG_DOUBLE
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TEST_FUNC (ldouble_test, long double, nanl, LDBL_EPSILON, HUGE_VALL)
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TEST_TRUNC (trunctfsf_test, float, long double)
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TEST_TRUNC (trunctfdf_test, double, long double)
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#endif
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int
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main (void)
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do_test (void)
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{
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float_test ();
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double_test ();
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truncdfsf_test();
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#ifndef NO_LONG_DOUBLE
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ldouble_test ();
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trunctfsf_test();
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trunctfdf_test();
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#endif
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return errors != 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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@ -1,5 +1,5 @@
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/* Miscellaneous tests which don't fit anywhere else.
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Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
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Copyright (C) 2000, 2001, 2004, 2005, 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -44,7 +44,6 @@ main (void)
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}
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}
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# if __GNUC__ >= 3 || __GNUC_MINOR__ >= 96
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{
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long double x;
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long double m;
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@ -52,17 +51,17 @@ main (void)
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int e;
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int i;
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# if LDBL_MANT_DIG == 64
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# if LDBL_MANT_DIG == 64
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m = 0xf.fffffffffffffffp-4L;
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# elif LDBL_MANT_DIG == 106
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# elif LDBL_MANT_DIG == 106
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/* This has to match the mantissa of LDBL_MAX which actually does have a
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missing bit in the middle. */
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m = 0x1.fffffffffffff7ffffffffffff8p-1L;
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# elif LDBL_MANT_DIG == 113
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# elif LDBL_MANT_DIG == 113
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m = 0x1.ffffffffffffffffffffffffffffp-1L;
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# else
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# error "Please adjust"
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# endif
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# else
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# error "Please adjust"
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# endif
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for (i = LDBL_MAX_EXP, x = LDBL_MAX; i >= LDBL_MIN_EXP; --i, x /= 2.0L)
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{
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@ -106,9 +105,8 @@ main (void)
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}
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}
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# endif
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#if 0
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# if 0
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{
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int e;
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long double r = frexpl (LDBL_MIN * LDBL_EPSILON, &e);
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@ -126,7 +124,7 @@ main (void)
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result = 1;
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}
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}
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#endif
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# endif
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#endif
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{
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@ -1183,5 +1181,59 @@ main (void)
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}
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#endif
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volatile float f1 = FLT_MAX;
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volatile float f2 = FLT_MAX / 2;
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(void) &f1;
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(void) &f2;
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feclearexcept (FE_ALL_EXCEPT);
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f2 += f1;
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int fe = fetestexcept (FE_ALL_EXCEPT);
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if (fe != (FE_OVERFLOW | FE_INEXACT))
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{
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printf ("float overflow test failed: %x\n", fe);
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result = 1;
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}
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volatile double d1 = DBL_MAX;
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volatile double d2 = DBL_MAX / 2;
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(void) &d1;
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(void) &d2;
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feclearexcept (FE_ALL_EXCEPT);
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d2 += d1;
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fe = fetestexcept (FE_ALL_EXCEPT);
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if (fe != (FE_OVERFLOW | FE_INEXACT))
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{
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printf ("double overflow test failed: %x\n", fe);
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result = 1;
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}
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#ifndef NO_LONG_DOUBLE
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volatile long double ld1 = LDBL_MAX;
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volatile long double ld2 = LDBL_MAX / 2;
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(void) &ld1;
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(void) &ld2;
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feclearexcept (FE_ALL_EXCEPT);
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ld2 += ld1;
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fe = fetestexcept (FE_ALL_EXCEPT);
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if (fe != (FE_OVERFLOW | FE_INEXACT))
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{
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printf ("long double overflow test failed: %x\n", fe);
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result = 1;
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}
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#endif
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#if !defined NO_LONG_DOUBLE && LDBL_MANT_DIG == 113
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volatile long double ld3 = 0x1.0000000000010000000100000001p+1;
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volatile long double ld4 = 0x1.0000000000000000000000000001p+1;
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(void) &ld3;
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(void) &ld4;
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ld3 -= ld4;
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if (ld3 != 0x1.0p-47)
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{
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printf ("long double subtraction test failed %.28La\n", ld3);
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result = 1;
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}
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#endif
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return result;
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}
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@ -564,7 +564,7 @@
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r1 = x1 - y1; \
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_c2 = r1 > x1; \
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r1 -= _c1; \
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_c2 |= r1 > _c1; \
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_c2 |= _c1 && (y1 == x1); \
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r2 = x2 - y2 - _c2; \
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} while (0)
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#endif
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@ -578,11 +578,11 @@
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r1 = x1 - y1; \
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_c2 = r1 > x1; \
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r1 -= _c1; \
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_c2 |= r1 > _c1; \
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_c2 |= _c1 && (y1 == x1); \
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r2 = x2 - y2; \
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_c3 = r2 > x2; \
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r2 -= _c2; \
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_c3 |= r2 > _c2; \
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_c3 |= _c2 && (y2 == x2); \
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r3 = x3 - y3 - _c3; \
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} while (0)
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#endif
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@ -1,5 +1,5 @@
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/* Software floating-point emulation. Common operations.
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Copyright (C) 1997,1998,1999,2006 Free Software Foundation, Inc.
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Copyright (C) 1997,1998,1999,2006,2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson (rth@cygnus.com),
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Jakub Jelinek (jj@ultra.linux.cz),
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@ -99,10 +99,10 @@ do { \
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else \
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{ \
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X##_e = _FP_EXPMAX_##fs - 1; \
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FP_SET_EXCEPTION(FP_EX_OVERFLOW); \
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FP_SET_EXCEPTION(FP_EX_INEXACT); \
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_FP_FRAC_SET_##wc(X, _FP_MAXFRAC_##wc); \
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} \
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FP_SET_EXCEPTION(FP_EX_INEXACT); \
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FP_SET_EXCEPTION(FP_EX_OVERFLOW); \
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} while (0)
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/* Check for a semi-raw value being a signaling NaN and raise the
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@ -1252,6 +1252,9 @@ do { \
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_FP_FRAC_SRL_##swc(S, (_FP_WFRACBITS_##sfs \
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- _FP_WFRACBITS_##dfs)); \
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_FP_FRAC_COPY_##dwc##_##swc(D, S); \
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/* Semi-raw NaN must have all workbits cleared. */ \
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_FP_FRAC_LOW_##dwc(D) \
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&= ~(_FP_W_TYPE) ((1 << _FP_WORKBITS) - 1); \
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_FP_FRAC_HIGH_##dfs(D) |= _FP_QNANBIT_SH_##dfs; \
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} \
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} \
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