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-rw-r--r--ChangeLog11
-rw-r--r--math/libm-test.inc151
-rw-r--r--sysdeps/i386/fpu/s_trunc.S12
-rw-r--r--sysdeps/i386/fpu/s_truncf.S12
-rw-r--r--sysdeps/i386/fpu/s_truncl.S15
-rw-r--r--sysdeps/x86_64/fpu/s_truncl.S13
6 files changed, 115 insertions, 99 deletions
diff --git a/ChangeLog b/ChangeLog
index a67e532..47c12b4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,17 @@
2016-06-27 Joseph Myers <joseph@codesourcery.com>
[BZ #15479]
+ * sysdeps/i386/fpu/s_trunc.S (__trunc): Save and restore
+ floating-point environment rather than just control word.
+ * sysdeps/i386/fpu/s_truncf.S (__truncf): Likewise.
+ * sysdeps/i386/fpu/s_truncl.S (__truncl): Save and restore
+ floating-point environment, with "invalid" exceptions merged in,
+ rather than just control word.
+ * sysdeps/x86_64/fpu/s_truncl.S (__truncl): Likewise.
+ * math/libm-test.inc (trunc_test_data): Do not allow spurious
+ "inexact" exceptions.
+
+ [BZ #15479]
* sysdeps/i386/fpu/s_floor.S (__floor): Save and restore
floating-point environment rather than just control word.
* sysdeps/i386/fpu/s_floorf.S (__floorf): Likewise.
diff --git a/math/libm-test.inc b/math/libm-test.inc
index 9f6e21d..4ac7a0c 100644
--- a/math/libm-test.inc
+++ b/math/libm-test.inc
@@ -12112,9 +12112,8 @@ static const struct test_f_f_data trunc_test_data[] =
TEST_f_f (trunc, 0, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, minus_zero, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- /* Bug 15479: spurious "inexact" exception may occur. */
- TEST_f_f (trunc, min_subnorm_value, 0.0, ERRNO_UNCHANGED),
- TEST_f_f (trunc, min_value, 0.0, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, min_subnorm_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, min_value, 0.0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 2, 2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p23, 0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -12133,8 +12132,8 @@ static const struct test_f_f_data trunc_test_data[] =
TEST_f_f (trunc, 0x1p113, 0x1p113, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 0x1p114, 0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, max_value, max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, -min_subnorm_value, minus_zero, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -min_value, minus_zero, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -min_subnorm_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -min_value, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -2, -2, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -0x1p23, -0x1p23, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
@@ -12154,108 +12153,108 @@ static const struct test_f_f_data trunc_test_data[] =
TEST_f_f (trunc, -0x1p114, -0x1p114, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -max_value, -max_value, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, 0.1, 0, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 0.25, 0, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 0.625, 0, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -0.1, minus_zero, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -0.25, minus_zero, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -0.625, minus_zero, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 0.1, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 0.25, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 0.625, 0, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -0.1, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -0.25, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -0.625, minus_zero, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, 1, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
TEST_f_f (trunc, -1, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, 1.625, 1, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -1.625, -1, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 1.625, 1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -1.625, -1, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, 1048580.625L, 1048580L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -1048580.625L, -1048580L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 1048580.625L, 1048580L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -1048580.625L, -1048580L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, 8388610.125L, 8388610.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -8388610.125L, -8388610.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 8388610.125L, 8388610.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -8388610.125L, -8388610.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4294967296.625L, 4294967296.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4294967296.625L, -4294967296.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4294967296.625L, 4294967296.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4294967296.625L, -4294967296.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
#if MANT_DIG >= 64
/* The result can only be represented in long double. */
- TEST_f_f (trunc, 4503599627370495.5L, 4503599627370495.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4503599627370496.25L, 4503599627370496.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4503599627370496.5L, 4503599627370496.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4503599627370496.75L, 4503599627370496.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4503599627370497.5L, 4503599627370497.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370495.5L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370496.25L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370496.5L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370496.75L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370497.5L, 4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
- TEST_f_f (trunc, 4503599627370494.5000000000001L, 4503599627370494.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4503599627370495.5000000000001L, 4503599627370495.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 4503599627370496.5000000000001L, 4503599627370496.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370494.5000000000001L, 4503599627370494.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370495.5000000000001L, 4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 4503599627370496.5000000000001L, 4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
- TEST_f_f (trunc, -4503599627370495.5L, -4503599627370495.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4503599627370496.25L, -4503599627370496.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4503599627370496.5L, -4503599627370496.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4503599627370496.75L, -4503599627370496.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4503599627370497.5L, -4503599627370497.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370495.5L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370496.25L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370496.5L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370496.75L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370497.5L, -4503599627370497.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
- TEST_f_f (trunc, -4503599627370494.5000000000001L, -4503599627370494.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4503599627370495.5000000000001L, -4503599627370495.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -4503599627370496.5000000000001L, -4503599627370496.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370494.5000000000001L, -4503599627370494.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370495.5000000000001L, -4503599627370495.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -4503599627370496.5000000000001L, -4503599627370496.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
- TEST_f_f (trunc, 9007199254740991.5L, 9007199254740991.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740992.25L, 9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740992.5L, 9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740992.75L, 9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740993.5L, 9007199254740993.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740991.5L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740992.25L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740992.5L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740992.75L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740993.5L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
- TEST_f_f (trunc, 9007199254740991.0000000000001L, 9007199254740991.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740992.0000000000001L, 9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740993.0000000000001L, 9007199254740993.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740991.5000000000001L, 9007199254740991.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740992.5000000000001L, 9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 9007199254740993.5000000000001L, 9007199254740993.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740991.0000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740992.0000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740993.0000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740991.5000000000001L, 9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740992.5000000000001L, 9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 9007199254740993.5000000000001L, 9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
- TEST_f_f (trunc, -9007199254740991.5L, -9007199254740991.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740992.25L, -9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740992.5L, -9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740992.75L, -9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740993.5L, -9007199254740993.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740991.5L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740992.25L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740992.5L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740992.75L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740993.5L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG > 100
- TEST_f_f (trunc, -9007199254740991.0000000000001L, -9007199254740991.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740992.0000000000001L, -9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740993.0000000000001L, -9007199254740993.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740991.5000000000001L, -9007199254740991.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740992.5000000000001L, -9007199254740992.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -9007199254740993.5000000000001L, -9007199254740993.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740991.0000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740992.0000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740993.0000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740991.5000000000001L, -9007199254740991.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740992.5000000000001L, -9007199254740992.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -9007199254740993.5000000000001L, -9007199254740993.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
- TEST_f_f (trunc, 72057594037927935.5L, 72057594037927935.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 72057594037927936.25L, 72057594037927936.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 72057594037927936.5L, 72057594037927936.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 72057594037927936.75L, 72057594037927936.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 72057594037927937.5L, 72057594037927937.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 72057594037927935.5L, 72057594037927935.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 72057594037927936.25L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 72057594037927936.5L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 72057594037927936.75L, 72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 72057594037927937.5L, 72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
- TEST_f_f (trunc, -72057594037927935.5L, -72057594037927935.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -72057594037927936.25L, -72057594037927936.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -72057594037927936.5L, -72057594037927936.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -72057594037927936.75L, -72057594037927936.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -72057594037927937.5L, -72057594037927937.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -72057594037927935.5L, -72057594037927935.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -72057594037927936.25L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -72057594037927936.5L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -72057594037927936.75L, -72057594037927936.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -72057594037927937.5L, -72057594037927937.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
/* Check cases where first double is a exact integer higher than 2^52 and
the precision is determined by second long double for IBM long double. */
- TEST_f_f (trunc, 34503599627370498.515625L, 34503599627370498.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -34503599627370498.515625L, -34503599627370498.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 34503599627370498.515625L, 34503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -34503599627370498.515625L, -34503599627370498.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# if MANT_DIG >= 106
- TEST_f_f (trunc, 1192568192774434123539907640624.484375L, 1192568192774434123539907640624.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, -1192568192774434123539907640624.484375L, -1192568192774434123539907640624.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 1192568192774434123539907640624.484375L, 1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, -1192568192774434123539907640624.484375L, -1192568192774434123539907640624.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
# endif
- TEST_f_f (trunc, 10141204801825835211973625643007.5L, 10141204801825835211973625643007.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 10141204801825835211973625643008.25L, 10141204801825835211973625643008.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 10141204801825835211973625643008.5L, 10141204801825835211973625643008.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 10141204801825835211973625643008.75L, 10141204801825835211973625643008.0L, ERRNO_UNCHANGED),
- TEST_f_f (trunc, 10141204801825835211973625643009.5L, 10141204801825835211973625643009.0L, ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 10141204801825835211973625643007.5L, 10141204801825835211973625643007.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 10141204801825835211973625643008.25L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 10141204801825835211973625643008.5L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 10141204801825835211973625643008.75L, 10141204801825835211973625643008.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
+ TEST_f_f (trunc, 10141204801825835211973625643009.5L, 10141204801825835211973625643009.0L, NO_INEXACT_EXCEPTION|ERRNO_UNCHANGED),
#endif
};
diff --git a/sysdeps/i386/fpu/s_trunc.S b/sysdeps/i386/fpu/s_trunc.S
index a15e5e5..8d9a6df 100644
--- a/sysdeps/i386/fpu/s_trunc.S
+++ b/sysdeps/i386/fpu/s_trunc.S
@@ -21,17 +21,17 @@
ENTRY(__trunc)
fldl 4(%esp)
- subl $8, %esp
- cfi_adjust_cfa_offset (8)
- fstcw 4(%esp)
+ subl $32, %esp
+ cfi_adjust_cfa_offset (32)
+ fnstenv 4(%esp)
movl $0xc00, %edx
orl 4(%esp), %edx
movl %edx, (%esp)
fldcw (%esp)
frndint
- fldcw 4(%esp)
- addl $8, %esp
- cfi_adjust_cfa_offset (-8)
+ fldenv 4(%esp)
+ addl $32, %esp
+ cfi_adjust_cfa_offset (-32)
ret
END(__trunc)
weak_alias (__trunc, trunc)
diff --git a/sysdeps/i386/fpu/s_truncf.S b/sysdeps/i386/fpu/s_truncf.S
index cbf257a..d55a11d 100644
--- a/sysdeps/i386/fpu/s_truncf.S
+++ b/sysdeps/i386/fpu/s_truncf.S
@@ -21,17 +21,17 @@
ENTRY(__truncf)
flds 4(%esp)
- subl $8, %esp
- cfi_adjust_cfa_offset (8)
- fstcw 4(%esp)
+ subl $32, %esp
+ cfi_adjust_cfa_offset (32)
+ fnstenv 4(%esp)
movl $0xc00, %edx
orl 4(%esp), %edx
movl %edx, (%esp)
fldcw (%esp)
frndint
- fldcw 4(%esp)
- addl $8, %esp
- cfi_adjust_cfa_offset (-8)
+ fldenv 4(%esp)
+ addl $32, %esp
+ cfi_adjust_cfa_offset (-32)
ret
END(__truncf)
weak_alias (__truncf, truncf)
diff --git a/sysdeps/i386/fpu/s_truncl.S b/sysdeps/i386/fpu/s_truncl.S
index f92b474..f5ba372 100644
--- a/sysdeps/i386/fpu/s_truncl.S
+++ b/sysdeps/i386/fpu/s_truncl.S
@@ -21,17 +21,20 @@
ENTRY(__truncl)
fldt 4(%esp)
- subl $8, %esp
- cfi_adjust_cfa_offset (8)
- fstcw 4(%esp)
+ subl $32, %esp
+ cfi_adjust_cfa_offset (32)
+ fnstenv 4(%esp)
movl $0xc00, %edx
orl 4(%esp), %edx
movl %edx, (%esp)
fldcw (%esp)
frndint
- fldcw 4(%esp)
- addl $8, %esp
- cfi_adjust_cfa_offset (-8)
+ fnstsw
+ andl $0x1, %eax
+ orl %eax, 8(%esp)
+ fldenv 4(%esp)
+ addl $32, %esp
+ cfi_adjust_cfa_offset (-32)
ret
END(__truncl)
weak_alias (__truncl, truncl)
diff --git a/sysdeps/x86_64/fpu/s_truncl.S b/sysdeps/x86_64/fpu/s_truncl.S
index c37cf00..0b46efe 100644
--- a/sysdeps/x86_64/fpu/s_truncl.S
+++ b/sysdeps/x86_64/fpu/s_truncl.S
@@ -21,13 +21,16 @@
ENTRY(__truncl)
fldt 8(%rsp)
- fstcw -4(%rsp)
+ fnstenv -28(%rsp)
movl $0xc00, %edx
- orl -4(%rsp), %edx
- movl %edx, -8(%rsp)
- fldcw -8(%rsp)
+ orl -28(%rsp), %edx
+ movl %edx, -32(%rsp)
+ fldcw -32(%rsp)
frndint
- fldcw -4(%rsp)
+ fnstsw
+ andl $0x1, %eax
+ orl %eax, -24(%rsp)
+ fldenv -28(%rsp)
ret
END(__truncl)
weak_alias (__truncl, truncl)
generated by cgit v1.1 at 2024-12-01 07:32:52 +0000