dfp-bit.c (dfp_compare_op): Return separate value for NaN.
gcc/ * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN. (DFP_NE, DFP_LE, DFP_GE): Return false for NaN. gcc/testsuite/ * gcc.dg/dfp/compare-special.h: New file. * gcc.dg/dfp/compare-special-32.c: New test. * gcc.dg/dfp/compare-special-64.c: New test. * gcc.dg/dfp/compare-special-128.c: New test. From-SVN: r120830
This commit is contained in:
Janis Johnson
Janis Johnson
parent
bfcabc6ce2
commit
70b81845bf
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@ -1,3 +1,8 @@
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2007-01-16 Janis Johnson <janis187@us.ibm.com>
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* config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
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(DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
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2007-01-16 David Edelsohn <edelsohn@gnu.org>
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* config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
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@ -146,6 +146,8 @@ dfp_compare_op (dfp_binary_func op, DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
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result = -1;
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else if (decNumberIsZero (&res))
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result = 0;
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else if (decNumberIsNaN (&res))
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result = -2;
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else
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result = 1;
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@ -302,7 +304,9 @@ DFP_NE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
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{
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int stat;
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stat = dfp_compare_op (decNumberCompare, arg_a, arg_b);
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/* For NE return nonzero for true, zero for false. */
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/* For NE return zero for true, nonzero for false. */
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if (__builtin_expect (stat == -2, 0)) /* An operand is NaN. */
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return 1;
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return stat != 0;
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}
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#endif /* L_ne */
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@ -336,6 +340,8 @@ DFP_LE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
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int stat;
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stat = dfp_compare_op (decNumberCompare, arg_a, arg_b);
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/* For LE return 0 (<= 0) for true, 1 for false. */
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if (__builtin_expect (stat == -2, 0)) /* An operand is NaN. */
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return 1;
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return stat == 1;
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}
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#endif /* L_le */
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@ -347,6 +353,8 @@ DFP_GE (DFP_C_TYPE arg_a, DFP_C_TYPE arg_b)
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int stat;
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stat = dfp_compare_op (decNumberCompare, arg_a, arg_b);
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/* For GE return 1 (>=0) for true, -1 for false. */
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if (__builtin_expect (stat == -2, 0)) /* An operand is NaN. */
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return -1;
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return (stat != -1) ? 1 : -1;
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}
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#endif /* L_ge */
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@ -1,3 +1,10 @@
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2007-01-16 Janis Johnson <janis187@us.ibm.com>
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* gcc.dg/dfp/compare-special.h: New file.
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* gcc.dg/dfp/compare-special-32.c: New test.
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* gcc.dg/dfp/compare-special-64.c: New test.
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* gcc.dg/dfp/compare-special-128.c: New test.
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2007-01-16 Roger Sayle <roger@eyesopen.com>
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Paul Thomas <pault@gcc.gnu.org>
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Steven G. Kargl <kargl@gcc.gnu.org>
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@ -0,0 +1,15 @@
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/* { dg-options "-std=gnu99 -O0" } */
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/* C99 6.5.8 Relational operators.
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C99 6.5.9 Equality operators.
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Compare decimal float special values at runtime. */
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#define WIDTH 128
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#include "compare-special.h"
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int
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main ()
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{
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test_compares ();
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return 0;
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}
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@ -0,0 +1,15 @@
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/* { dg-options "-std=gnu99 -O0" } */
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/* C99 6.5.8 Relational operators.
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C99 6.5.9 Equality operators.
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Compare decimal float special values at runtime. */
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#define WIDTH 32
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#include "compare-special.h"
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int
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main ()
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{
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test_compares ();
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return 0;
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}
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@ -0,0 +1,15 @@
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/* { dg-options "-std=gnu99 -O0" } */
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/* C99 6.5.8 Relational operators.
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C99 6.5.9 Equality operators.
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Compare decimal float special values at runtime. */
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#define WIDTH 64
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#include "compare-special.h"
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int
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main ()
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{
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test_compares ();
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return 0;
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}
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@ -0,0 +1,287 @@
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/* Basic test of runtime relational comparisons using NaNs and infinities. */
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#include <stdlib.h>
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static int failcnt;
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#define PASTE2(A,B) A ## B
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#define PASTE(A,B) PASTE2(A,B)
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#ifdef DBG
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#include <stdio.h>
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#define FAILURE(OP,KIND) \
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{ printf ("failed at line %d: %s for %s values\n", __LINE__, OP, KIND); \
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failcnt++; }
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#else
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#define FAILURE(OP,KIND) abort ();
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#endif
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#ifndef WIDTH
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#error define WIDTH as decimal float size in bytes
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#endif
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#if WIDTH == 32
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#define DTYPE _Decimal32
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#define SUFFIX DF
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#define SUFFIX2 d32
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#elif WIDTH == 64
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#define DTYPE _Decimal64
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#define SUFFIX DD
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#define SUFFIX2 d64
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#elif WIDTH == 128
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#define DTYPE _Decimal128
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#define SUFFIX DL
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#define SUFFIX2 d128
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#elif WIDTH == 0
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/* This is for testing the test using a type known to work. */
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#define DTYPE double
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#define SUFFIX
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#define SUFFIX2
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#else
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#error invalid width for decimal float type
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#endif
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DTYPE m_two = PASTE(-2.0, SUFFIX);
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DTYPE m_one = PASTE(-1.0, SUFFIX);
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DTYPE zero = PASTE(0.0, SUFFIX);
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DTYPE one = PASTE(1.0, SUFFIX);
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DTYPE two = PASTE(2.0, SUFFIX);
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volatile DTYPE x, y, z, nan, inf, m_inf;
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void
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test_compares (void)
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{
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nan = PASTE(__builtin_nan, SUFFIX2) ("");
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inf = PASTE(__builtin_inf, SUFFIX2) ();
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m_inf = - PASTE(__builtin_inf, SUFFIX2) ();
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x = PASTE(__builtin_nan, SUFFIX2) ("");
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y = PASTE(__builtin_inf, SUFFIX2) ();
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z = - PASTE(__builtin_inf, SUFFIX2) ();
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/* Less than or equal to with NaN. */
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if (x <= two) FAILURE ("<=", "NaN")
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if (x <= zero) FAILURE ("<=", "NaN")
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if (x <= m_one) FAILURE ("<=", "NaN")
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if (x <= nan) FAILURE ("<=", "NaN")
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if (x <= inf) FAILURE ("<=", "NaN")
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if (x <= m_inf) FAILURE ("<=", "NaN")
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if (two <= x) FAILURE ("<=", "NaN")
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if (zero <= x) FAILURE ("<=", "NaN")
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if (m_one <= x) FAILURE ("<=", "NaN")
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if (nan <= x) FAILURE ("<=", "NaN")
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if (inf <= x) FAILURE ("<=", "NaN")
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if (m_inf <= x) FAILURE ("<=", "NaN")
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/* Less than or equal to with infinities, no NaNs. */
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if (y <= two) FAILURE ("<=", "inf")
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if (y <= zero) FAILURE ("<=", "inf")
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if (y <= m_one) FAILURE ("<=", "inf")
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if (!(two <= y)) FAILURE ("<=", "inf")
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if (!(zero <= y)) FAILURE ("<=", "inf")
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if (!(m_one <= y)) FAILURE ("<=", "inf")
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if (!(z <= two)) FAILURE ("<=", "-inf")
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if (!(z <= zero)) FAILURE ("<=", "-inf")
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if (!(z <= m_one)) FAILURE ("<=", "-inf")
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if (two <= z) FAILURE ("<=", "-inf")
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if (zero <= z) FAILURE ("<=", "-inf")
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if (m_one <= z) FAILURE ("<=", "-inf")
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if (!(y <= inf)) FAILURE ("<=", "inf")
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if (y <= m_inf) FAILURE ("<=", "inf")
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if (!(z <= inf)) FAILURE ("<=", "inf")
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if (!(z <= m_inf)) FAILURE ("<=", "inf")
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/* Less than with NaN. */
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if (x < two) FAILURE ("<", "NaN")
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if (x < zero) FAILURE ("<", "NaN")
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if (x < m_one) FAILURE ("<", "NaN")
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if (x < nan) FAILURE ("<", "NaN")
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if (x < inf) FAILURE ("<", "NaN")
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if (x < m_inf) FAILURE ("<", "NaN")
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if (two < x) FAILURE ("<", "NaN")
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if (zero < x) FAILURE ("<", "NaN")
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if (m_one < x) FAILURE ("<", "NaN")
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if (nan < x) FAILURE ("<", "NaN")
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if (inf < x) FAILURE ("<", "NaN")
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if (m_inf < x) FAILURE ("<", "NaN")
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/* Less than with infinities, no NaNs. */
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if (y < two) FAILURE ("<", "inf")
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if (y < zero) FAILURE ("<", "inf")
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if (y < m_one) FAILURE ("<", "inf")
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if (!(two < y)) FAILURE ("<", "inf")
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if (!(zero < y)) FAILURE ("<", "inf")
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if (!(m_one < y)) FAILURE ("<", "inf")
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if (!(z < two)) FAILURE ("<", "-inf")
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if (!(z < zero)) FAILURE ("<", "-inf")
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if (!(z < m_one)) FAILURE ("<", "-inf")
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if (two < z) FAILURE ("<", "-inf")
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if (zero < z) FAILURE ("<", "-inf")
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if (m_one < z) FAILURE ("<", "-inf")
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if (y < inf) FAILURE ("<=", "inf")
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if (y < m_inf) FAILURE ("<=", "inf")
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if (!(z < inf)) FAILURE ("<=", "inf")
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if (z < m_inf) FAILURE ("<=", "inf")
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/* Greater than or equal to with NaN. */
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if (x >= two) FAILURE (">=", "NaN")
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if (x >= zero) FAILURE (">=", "NaN")
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if (x >= m_one) FAILURE (">=", "NaN")
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if (x >= nan) FAILURE (">=", "NaN")
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if (x >= inf) FAILURE (">=", "NaN")
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if (x >= m_inf) FAILURE (">=", "NaN")
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if (two >= x) FAILURE (">=", "NaN")
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if (zero >= x) FAILURE (">=", "NaN")
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if (m_one >= x) FAILURE (">=", "NaN")
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if (nan >= x) FAILURE (">=", "NaN")
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if (inf >= x) FAILURE (">=", "NaN")
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if (m_inf >= x) FAILURE (">=", "NaN")
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/* Greater than or equal to with infinities, no NaNs. */
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if (!(y >= two)) FAILURE (">=", "inf")
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if (!(y >= zero)) FAILURE (">=", "inf")
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if (!(y >= m_one)) FAILURE (">=", "inf")
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if (two >= y) FAILURE (">=", "inf")
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if (zero >= y) FAILURE (">=", "inf")
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if (m_one >= y) FAILURE (">=", "inf")
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if (z >= two) FAILURE (">=", "-inf")
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if (z >= zero) FAILURE (">=", "-inf")
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if (z >= m_one) FAILURE (">=", "-inf")
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if (!(two >= z)) FAILURE (">=", "-inf")
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if (!(zero >= z)) FAILURE (">=", "-inf")
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if (!(m_one >= z)) FAILURE (">=", "-inf")
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if (!(y >= inf)) FAILURE ("<=", "inf")
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if (!(y >= m_inf)) FAILURE ("<=", "inf")
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if (z >= inf) FAILURE ("<=", "inf")
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if (!(z >= m_inf)) FAILURE ("<=", "inf")
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/* Greater than with NaN. */
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if (x > two) FAILURE (">", "NaN")
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if (x > zero) FAILURE (">", "NaN")
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if (x > m_one) FAILURE (">", "NaN")
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if (x > nan) FAILURE (">", "NaN")
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if (x > inf) FAILURE (">", "NaN")
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if (x > m_inf) FAILURE (">", "NaN")
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if (two > x) FAILURE (">", "NaN")
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if (zero > x) FAILURE (">", "NaN")
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if (m_one > x) FAILURE (">", "NaN")
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if (nan > x) FAILURE (">", "NaN")
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if (inf > x) FAILURE (">", "NaN")
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if (m_inf > x) FAILURE (">", "NaN")
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/* Greater than with infinities, no NaNs. */
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if (!(y > two)) FAILURE (">", "inf")
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if (!(y > zero)) FAILURE (">", "inf")
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if (!(y > m_one)) FAILURE (">", "inf")
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if (two > y) FAILURE (">", "inf")
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if (zero > y) FAILURE (">", "inf")
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if (m_one > y) FAILURE (">", "inf")
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if (z > two) FAILURE (">", "-inf")
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if (z > zero) FAILURE (">", "-inf")
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if (z > m_one) FAILURE (">", "-inf")
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if (!(two > z)) FAILURE (">", "-inf")
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if (!(zero > z)) FAILURE (">", "-inf")
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if (!(m_one > z)) FAILURE (">", "-inf")
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if (y > inf) FAILURE (">", "inf")
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if (!(y > m_inf)) FAILURE (">", "inf")
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if (z > inf) FAILURE (">", "inf")
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if (z > m_inf) FAILURE (">", "inf")
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/* Equal with NaN. */
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if (x == two) FAILURE ("==", "NaN")
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if (x == zero) FAILURE ("==", "NaN")
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if (x == m_one) FAILURE ("==", "NaN")
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if (x == nan) FAILURE ("==", "NaN")
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if (x == inf) FAILURE ("==", "NaN")
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if (x == m_inf) FAILURE ("==", "NaN")
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if (two == x) FAILURE ("==", "NaN")
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if (zero == x) FAILURE ("==", "NaN")
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if (m_one == x) FAILURE ("==", "NaN")
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if (nan == x) FAILURE ("==", "NaN")
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if (inf == x) FAILURE ("==", "NaN")
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if (m_inf == x) FAILURE ("==", "NaN")
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/* Equal with infinities, no NaNs. */
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if (y == two) FAILURE ("==", "inf")
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if (y == zero) FAILURE ("==", "inf")
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if (y == m_one) FAILURE ("==", "inf")
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if (two == y) FAILURE ("==", "inf")
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if (zero == y) FAILURE ("==", "inf")
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if (m_one == y) FAILURE ("==", "inf")
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if (z == two) FAILURE ("==", "-inf")
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if (z == zero) FAILURE ("==", "-inf")
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if (z == m_one) FAILURE ("==", "-inf")
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if (two == z) FAILURE ("==", "-inf")
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if (zero == z) FAILURE ("==", "-inf")
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if (m_one == z) FAILURE ("==", "-inf")
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if (!(y == inf)) FAILURE ("==", "inf")
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if (y == m_inf) FAILURE ("==", "inf")
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if (z == inf) FAILURE ("==", "inf")
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if (!(z == m_inf)) FAILURE ("==", "inf")
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/* Not equal with NaN. */
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if (!(x != two)) FAILURE ("!=", "NaN")
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if (!(x != zero)) FAILURE ("!=", "NaN")
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if (!(x != m_one)) FAILURE ("!=", "NaN")
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if (!(x != nan)) FAILURE ("!=", "NaN")
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if (!(x != inf)) FAILURE ("!=", "NaN")
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if (!(x != m_inf)) FAILURE ("!=", "NaN")
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if (!(two != x)) FAILURE ("!=", "NaN")
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if (!(zero != x)) FAILURE ("!=", "NaN")
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if (!(m_one != x)) FAILURE ("!=", "NaN")
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if (!(nan != x)) FAILURE ("!=", "NaN")
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if (!(inf != x)) FAILURE ("!=", "NaN")
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if (!(m_inf != x)) FAILURE ("!=", "NaN")
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/* Not equal with infinities, no NaNs. */
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if (!(y != two)) FAILURE ("!=", "inf")
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if (!(y != zero)) FAILURE ("!=", "inf")
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if (!(y != m_one)) FAILURE ("!=", "inf")
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if (!(two != y)) FAILURE ("!=", "inf")
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if (!(zero != y)) FAILURE ("!=", "inf")
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if (!(m_one != y)) FAILURE ("!=", "inf")
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if (!(z != two)) FAILURE ("!=", "-inf")
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if (!(z != zero)) FAILURE ("!=", "-inf")
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if (!(z != m_one)) FAILURE ("!=", "-inf")
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if (!(two != z)) FAILURE ("!=", "-inf")
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if (!(zero != z)) FAILURE ("!=", "-inf")
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if (!(m_one != z)) FAILURE ("!=", "-inf")
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if (y != inf) FAILURE ("!=", "inf")
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if (!(y != m_inf)) FAILURE ("!=", "inf")
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if (!(z != inf)) FAILURE ("!=", "inf")
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if (z != m_inf) FAILURE ("!=", "inf")
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if (failcnt)
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abort ();
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}
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