diff options
| -rw-r--r-- | ChangeLog | 13 | ||||
| -rw-r--r-- | NEWS | 28 | ||||
| -rw-r--r-- | math/auto-libm-test-in | 5 | ||||
| -rw-r--r-- | math/auto-libm-test-out | 260 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_expl.S | 16 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/e_expl.S | 15 |
6 files changed, 294 insertions, 43 deletions
diff --git a/ChangeLog b/ChangeLog index 50a336fab3..3503f3c257 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2015-06-21 Joseph Myers <joseph@codesourcery.com> + + [BZ #16361] + * sysdeps/i386/fpu/e_expl.S [!USE_AS_EXPM1L] (cmin): New object. + [!USE_AS_EXPM1L] (IEEE754_EXPL): Force underflow exception for + tiny results. + * sysdeps/x86_64/fpu/e_expl.S [!USE_AS_EXPM1L] (cmin): New object. + [!USE_AS_EXPM1L] (IEEE754_EXPL): Force underflow exception for + tiny results. + * math/auto-libm-test-in: Add more tests of exp and exp10. Do not + mark underflow exceptions as possibly missing for bug 16361. + * math/auto-libm-test-out: Regenerated. + 2015-06-19 Joseph Myers <joseph@codesourcery.com> * conform/data/sys/select.h-data [XOPEN2K8] (pselect): Expect. diff --git a/NEWS b/NEWS index 4194e5ab6b..e4a17c3b7e 100644 --- a/NEWS +++ b/NEWS @@ -10,20 +10,20 @@ Version 2.22 * The following bugs are resolved with this release: 438, 4719, 6792, 13028, 13064, 14094, 14841, 14906, 14958, 15319, 15467, - 15790, 15969, 16159, 16339, 16350, 16351, 16352, 16512, 16560, 16704, - 16783, 16850, 17053, 17090, 17195, 17269, 17293, 17322, 17523, 17542, - 17569, 17581, 17588, 17596, 17620, 17621, 17628, 17631, 17692, 17711, - 17715, 17776, 17779, 17792, 17836, 17912, 17916, 17930, 17932, 17944, - 17949, 17964, 17965, 17967, 17969, 17978, 17987, 17991, 17996, 17998, - 17999, 18007, 18019, 18020, 18029, 18030, 18032, 18034, 18036, 18038, - 18039, 18042, 18043, 18046, 18047, 18049, 18068, 18080, 18093, 18100, - 18104, 18110, 18111, 18116, 18125, 18128, 18138, 18185, 18196, 18197, - 18206, 18210, 18211, 18217, 18220, 18221, 18234, 18244, 18247, 18287, - 18319, 18324, 18333, 18346, 18397, 18409, 18410, 18412, 18418, 18422, - 18434, 18444, 18468, 18469, 18470, 18479, 18483, 18495, 18496, 18497, - 18498, 18507, 18512, 18519, 18520, 18522, 18527, 18528, 18529, 18530, - 18532, 18533, 18534, 18536, 18539, 18540, 18542, 18544, 18545, 18546, - 18547, 18553, 18558. + 15790, 15969, 16159, 16339, 16350, 16351, 16352, 16361, 16512, 16560, + 16704, 16783, 16850, 17053, 17090, 17195, 17269, 17293, 17322, 17523, + 17542, 17569, 17581, 17588, 17596, 17620, 17621, 17628, 17631, 17692, + 17711, 17715, 17776, 17779, 17792, 17836, 17912, 17916, 17930, 17932, + 17944, 17949, 17964, 17965, 17967, 17969, 17978, 17987, 17991, 17996, + 17998, 17999, 18007, 18019, 18020, 18029, 18030, 18032, 18034, 18036, + 18038, 18039, 18042, 18043, 18046, 18047, 18049, 18068, 18080, 18093, + 18100, 18104, 18110, 18111, 18116, 18125, 18128, 18138, 18185, 18196, + 18197, 18206, 18210, 18211, 18217, 18220, 18221, 18234, 18244, 18247, + 18287, 18319, 18324, 18333, 18346, 18397, 18409, 18410, 18412, 18418, + 18422, 18434, 18444, 18468, 18469, 18470, 18479, 18483, 18495, 18496, + 18497, 18498, 18507, 18512, 18519, 18520, 18522, 18527, 18528, 18529, + 18530, 18532, 18533, 18534, 18536, 18539, 18540, 18542, 18544, 18545, + 18546, 18547, 18553, 18558. * Cache information can be queried via sysconf() function on s390 e.g. with _SC_LEVEL1_ICACHE_SIZE as argument. diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in index 6ec4bc69af..e8e4da62b8 100644 --- a/math/auto-libm-test-in +++ b/math/auto-libm-test-in @@ -1191,6 +1191,7 @@ exp -7.4444006192138124e+02 exp -0x1.75f113c30b1c8p+9 exp -max exp -11342.8125 +exp -0x2.c5b2319c4843acc0p12 exp 0x1p-10 exp -0x1p-10 exp 0x1p-20 @@ -1223,8 +1224,8 @@ exp10 305 exp10 -305 # GCC bug 59666: results on directed rounding may be incorrect. exp10 4932 xfail-rounding:ldbl-128ibm -# Bug 16361: underflow exception may be misssing -exp10 -4932 missing-underflow:ldbl-96-intel:x86 missing-underflow:ldbl-96-intel:x86_64 +exp10 -4932 +exp10 -0x1.343793004f503232p12 # GCC bug 59666: results on directed rounding may be incorrect. exp10 1e5 xfail-rounding:ldbl-128ibm exp10 -1e5 diff --git a/math/auto-libm-test-out b/math/auto-libm-test-out index aa1eb1ff4b..bf067c42bf 100644 --- a/math/auto-libm-test-out +++ b/math/auto-libm-test-out @@ -103944,6 +103944,111 @@ exp -11342.8125 = exp tonearest ldbl-128ibm -0x2.c4edp+12L : 0x0p+0L : inexact-ok underflow errno-erange = exp towardzero ldbl-128ibm -0x2.c4edp+12L : 0x0p+0L : inexact-ok underflow errno-erange = exp upward ldbl-128ibm -0x2.c4edp+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok +exp -0x2.c5b2319c4843acc0p12 += exp downward flt-32 -0x2.c5b23p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp tonearest flt-32 -0x2.c5b23p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp towardzero flt-32 -0x2.c5b23p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp upward flt-32 -0x2.c5b23p+12f : 0x8p-152f : inexact-ok underflow errno-erange-ok += exp downward dbl-64 -0x2.c5b23p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp tonearest dbl-64 -0x2.c5b23p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp towardzero dbl-64 -0x2.c5b23p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp upward dbl-64 -0x2.c5b23p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-intel -0x2.c5b23p+12L : 0x4.00671741091b8c2p-16384L : inexact-ok += exp tonearest ldbl-96-intel -0x2.c5b23p+12L : 0x4.00671741091b8c28p-16384L : inexact-ok += exp towardzero ldbl-96-intel -0x2.c5b23p+12L : 0x4.00671741091b8c2p-16384L : inexact-ok += exp upward ldbl-96-intel -0x2.c5b23p+12L : 0x4.00671741091b8c28p-16384L : inexact-ok += exp downward ldbl-96-m68k -0x2.c5b23p+12L : 0x4.00671741091b8c2p-16384L : inexact-ok += exp tonearest ldbl-96-m68k -0x2.c5b23p+12L : 0x4.00671741091b8c28p-16384L : inexact-ok += exp towardzero ldbl-96-m68k -0x2.c5b23p+12L : 0x4.00671741091b8c2p-16384L : inexact-ok += exp upward ldbl-96-m68k -0x2.c5b23p+12L : 0x4.00671741091b8c28p-16384L : inexact-ok += exp downward ldbl-128 -0x2.c5b23p+12L : 0x4.00671741091b8c27d0a36c181058p-16384L : inexact-ok += exp tonearest ldbl-128 -0x2.c5b23p+12L : 0x4.00671741091b8c27d0a36c18105cp-16384L : inexact-ok += exp towardzero ldbl-128 -0x2.c5b23p+12L : 0x4.00671741091b8c27d0a36c181058p-16384L : inexact-ok += exp upward ldbl-128 -0x2.c5b23p+12L : 0x4.00671741091b8c27d0a36c18105cp-16384L : inexact-ok += exp downward ldbl-128ibm -0x2.c5b23p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp tonearest ldbl-128ibm -0x2.c5b23p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp towardzero ldbl-128ibm -0x2.c5b23p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp upward ldbl-128ibm -0x2.c5b23p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp downward flt-32 -0x2.c5b234p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp tonearest flt-32 -0x2.c5b234p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp towardzero flt-32 -0x2.c5b234p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp upward flt-32 -0x2.c5b234p+12f : 0x8p-152f : inexact-ok underflow errno-erange-ok += exp downward dbl-64 -0x2.c5b234p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp tonearest dbl-64 -0x2.c5b234p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp towardzero dbl-64 -0x2.c5b234p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp upward dbl-64 -0x2.c5b234p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-intel -0x2.c5b234p+12L : 0x3.ff671d7bc6ce9588p-16384L : inexact-ok underflow errno-erange-ok += exp tonearest ldbl-96-intel -0x2.c5b234p+12L : 0x3.ff671d7bc6ce9588p-16384L : inexact-ok underflow errno-erange-ok += exp towardzero ldbl-96-intel -0x2.c5b234p+12L : 0x3.ff671d7bc6ce9588p-16384L : inexact-ok underflow errno-erange-ok += exp upward ldbl-96-intel -0x2.c5b234p+12L : 0x3.ff671d7bc6ce959p-16384L : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-m68k -0x2.c5b234p+12L : 0x3.ff671d7bc6ce9588p-16384L : inexact-ok += exp tonearest ldbl-96-m68k -0x2.c5b234p+12L : 0x3.ff671d7bc6ce958cp-16384L : inexact-ok += exp towardzero ldbl-96-m68k -0x2.c5b234p+12L : 0x3.ff671d7bc6ce9588p-16384L : inexact-ok += exp upward ldbl-96-m68k -0x2.c5b234p+12L : 0x3.ff671d7bc6ce958cp-16384L : inexact-ok += exp downward ldbl-128 -0x2.c5b234p+12L : 0x3.ff671d7bc6ce958ba803f3e779bp-16384L : inexact-ok underflow errno-erange-ok += exp tonearest ldbl-128 -0x2.c5b234p+12L : 0x3.ff671d7bc6ce958ba803f3e779bp-16384L : inexact-ok underflow errno-erange-ok += exp towardzero ldbl-128 -0x2.c5b234p+12L : 0x3.ff671d7bc6ce958ba803f3e779bp-16384L : inexact-ok underflow errno-erange-ok += exp upward ldbl-128 -0x2.c5b234p+12L : 0x3.ff671d7bc6ce958ba803f3e779b4p-16384L : inexact-ok underflow errno-erange-ok += exp downward ldbl-128ibm -0x2.c5b234p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp tonearest ldbl-128ibm -0x2.c5b234p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp towardzero ldbl-128ibm -0x2.c5b234p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp upward ldbl-128ibm -0x2.c5b234p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp downward dbl-64 -0x2.c5b2319c4843ap+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp tonearest dbl-64 -0x2.c5b2319c4843ap+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp towardzero dbl-64 -0x2.c5b2319c4843ap+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp upward dbl-64 -0x2.c5b2319c4843ap+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-intel -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc8p-16384L : inexact-ok += exp tonearest ldbl-96-intel -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc88p-16384L : inexact-ok += exp towardzero ldbl-96-intel -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc8p-16384L : inexact-ok += exp upward ldbl-96-intel -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc88p-16384L : inexact-ok += exp downward ldbl-96-m68k -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc8p-16384L : inexact-ok += exp tonearest ldbl-96-m68k -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc88p-16384L : inexact-ok += exp towardzero ldbl-96-m68k -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc8p-16384L : inexact-ok += exp upward ldbl-96-m68k -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc88p-16384L : inexact-ok += exp downward ldbl-128 -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc85647bac501164p-16384L : inexact-ok += exp tonearest ldbl-128 -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc85647bac501164p-16384L : inexact-ok += exp towardzero ldbl-128 -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc85647bac501164p-16384L : inexact-ok += exp upward ldbl-128 -0x2.c5b2319c4843ap+12L : 0x4.00000000032ffc85647bac501168p-16384L : inexact-ok += exp downward ldbl-128ibm -0x2.c5b2319c4843ap+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp tonearest ldbl-128ibm -0x2.c5b2319c4843ap+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp towardzero ldbl-128ibm -0x2.c5b2319c4843ap+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp upward ldbl-128ibm -0x2.c5b2319c4843ap+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp downward dbl-64 -0x2.c5b2319c4843cp+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp tonearest dbl-64 -0x2.c5b2319c4843cp+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp towardzero dbl-64 -0x2.c5b2319c4843cp+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp upward dbl-64 -0x2.c5b2319c4843cp+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-intel -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc8p-16384L : inexact-ok underflow errno-erange-ok += exp tonearest ldbl-96-intel -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc88p-16384L : inexact-ok underflow errno-erange-ok += exp towardzero ldbl-96-intel -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc8p-16384L : inexact-ok underflow errno-erange-ok += exp upward ldbl-96-intel -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc88p-16384L : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-m68k -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc84p-16384L : inexact-ok += exp tonearest ldbl-96-m68k -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc84p-16384L : inexact-ok += exp towardzero ldbl-96-m68k -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc84p-16384L : inexact-ok += exp upward ldbl-96-m68k -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc88p-16384L : inexact-ok += exp downward ldbl-128 -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc85647d4c57069cp-16384L : inexact-ok underflow errno-erange-ok += exp tonearest ldbl-128 -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc85647d4c57069cp-16384L : inexact-ok underflow errno-erange-ok += exp towardzero ldbl-128 -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc85647d4c57069cp-16384L : inexact-ok underflow errno-erange-ok += exp upward ldbl-128 -0x2.c5b2319c4843cp+12L : 0x3.fffffffffb2ffc85647d4c5706ap-16384L : inexact-ok underflow errno-erange-ok += exp downward ldbl-128ibm -0x2.c5b2319c4843cp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp tonearest ldbl-128ibm -0x2.c5b2319c4843cp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp towardzero ldbl-128ibm -0x2.c5b2319c4843cp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp upward ldbl-128ibm -0x2.c5b2319c4843cp+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-intel -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc8p-16384L : inexact-ok underflow errno-erange-ok += exp tonearest ldbl-96-intel -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc88p-16384L : inexact-ok underflow errno-erange-ok += exp towardzero ldbl-96-intel -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc8p-16384L : inexact-ok underflow errno-erange-ok += exp upward ldbl-96-intel -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc88p-16384L : inexact-ok underflow errno-erange-ok += exp downward ldbl-96-m68k -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc84p-16384L : inexact-ok += exp tonearest ldbl-96-m68k -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc84p-16384L : inexact-ok += exp towardzero ldbl-96-m68k -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc84p-16384L : inexact-ok += exp upward ldbl-96-m68k -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc88p-16384L : inexact-ok += exp downward ldbl-128 -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc85647a6732d718p-16384L : inexact-ok underflow errno-erange-ok += exp tonearest ldbl-128 -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc85647a6732d718p-16384L : inexact-ok underflow errno-erange-ok += exp towardzero ldbl-128 -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc85647a6732d718p-16384L : inexact-ok underflow errno-erange-ok += exp upward ldbl-128 -0x2.c5b2319c4843accp+12L : 0x3.fffffffffffffc85647a6732d71cp-16384L : inexact-ok underflow errno-erange-ok += exp downward ldbl-128ibm -0x2.c5b2319c4843accp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp tonearest ldbl-128ibm -0x2.c5b2319c4843accp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp towardzero ldbl-128ibm -0x2.c5b2319c4843accp+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp upward ldbl-128ibm -0x2.c5b2319c4843accp+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok exp 0x1p-10 = exp downward flt-32 0x4p-12f : 0x1.004008p+0f : inexact-ok = exp tonearest flt-32 0x4p-12f : 0x1.004008p+0f : inexact-ok @@ -104929,31 +105034,136 @@ exp10 4932 xfail-rounding:ldbl-128ibm = exp10 tonearest ldbl-128ibm 0x1.344p+12L : plus_infty : inexact-ok overflow errno-erange = exp10 towardzero ldbl-128ibm 0x1.344p+12L : 0xf.ffffffffffffbffffffffffffcp+1020L : xfail:ldbl-128ibm inexact-ok overflow errno-erange-ok = exp10 upward ldbl-128ibm 0x1.344p+12L : plus_infty : xfail:ldbl-128ibm inexact-ok overflow errno-erange -exp10 -4932 missing-underflow:ldbl-96-intel:x86 missing-underflow:ldbl-96-intel:x86_64 -= exp10 downward flt-32 -0x1.344p+12f : 0x0p+0f : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 tonearest flt-32 -0x1.344p+12f : 0x0p+0f : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 towardzero flt-32 -0x1.344p+12f : 0x0p+0f : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 upward flt-32 -0x1.344p+12f : 0x8p-152f : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 downward dbl-64 -0x1.344p+12 : 0x0p+0 : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 tonearest dbl-64 -0x1.344p+12 : 0x0p+0 : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 towardzero dbl-64 -0x1.344p+12 : 0x0p+0 : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 upward dbl-64 -0x1.344p+12 : 0x4p-1076 : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 downward ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 tonearest ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 towardzero ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 upward ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf88p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 downward ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 tonearest ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 towardzero ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 upward ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf84p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 downward ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc00cp-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 tonearest ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc01p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 towardzero ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc00cp-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 upward ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc01p-16384L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok -= exp10 downward ldbl-128ibm -0x1.344p+12L : 0x0p+0L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 tonearest ldbl-128ibm -0x1.344p+12L : 0x0p+0L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 towardzero ldbl-128ibm -0x1.344p+12L : 0x0p+0L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange -= exp10 upward ldbl-128ibm -0x1.344p+12L : 0x4p-1076L : inexact-ok underflow underflow-ok:ldbl-96-intel:x86 underflow-ok:ldbl-96-intel:x86_64 errno-erange-ok +exp10 -4932 += exp10 downward flt-32 -0x1.344p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 tonearest flt-32 -0x1.344p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 towardzero flt-32 -0x1.344p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 upward flt-32 -0x1.344p+12f : 0x8p-152f : inexact-ok underflow errno-erange-ok += exp10 downward dbl-64 -0x1.344p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 tonearest dbl-64 -0x1.344p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 towardzero dbl-64 -0x1.344p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 upward dbl-64 -0x1.344p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-96-intel -0x1.344p+12L : 0x1.30923e47949abf88p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf8p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-96-m68k -0x1.344p+12L : 0x1.30923e47949abf84p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc00cp-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc01p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc00cp-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-128 -0x1.344p+12L : 0x1.30923e47949abf816b7d38ebc01p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-128ibm -0x1.344p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 tonearest ldbl-128ibm -0x1.344p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 towardzero ldbl-128ibm -0x1.344p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 upward ldbl-128ibm -0x1.344p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok +exp10 -0x1.343793004f503232p12 += exp10 downward flt-32 -0x1.343792p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 tonearest flt-32 -0x1.343792p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 towardzero flt-32 -0x1.343792p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 upward flt-32 -0x1.343792p+12f : 0x8p-152f : inexact-ok underflow errno-erange-ok += exp10 downward dbl-64 -0x1.343792p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 tonearest dbl-64 -0x1.343792p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 towardzero dbl-64 -0x1.343792p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 upward dbl-64 -0x1.343792p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-intel -0x1.343792p+12L : 0x4.009395d78ebc9b6p-16384L : inexact-ok += exp10 tonearest ldbl-96-intel -0x1.343792p+12L : 0x4.009395d78ebc9b68p-16384L : inexact-ok += exp10 towardzero ldbl-96-intel -0x1.343792p+12L : 0x4.009395d78ebc9b6p-16384L : inexact-ok += exp10 upward ldbl-96-intel -0x1.343792p+12L : 0x4.009395d78ebc9b68p-16384L : inexact-ok += exp10 downward ldbl-96-m68k -0x1.343792p+12L : 0x4.009395d78ebc9b6p-16384L : inexact-ok += exp10 tonearest ldbl-96-m68k -0x1.343792p+12L : 0x4.009395d78ebc9b68p-16384L : inexact-ok += exp10 towardzero ldbl-96-m68k -0x1.343792p+12L : 0x4.009395d78ebc9b6p-16384L : inexact-ok += exp10 upward ldbl-96-m68k -0x1.343792p+12L : 0x4.009395d78ebc9b68p-16384L : inexact-ok += exp10 downward ldbl-128 -0x1.343792p+12L : 0x4.009395d78ebc9b64a0aa93fc93dp-16384L : inexact-ok += exp10 tonearest ldbl-128 -0x1.343792p+12L : 0x4.009395d78ebc9b64a0aa93fc93dp-16384L : inexact-ok += exp10 towardzero ldbl-128 -0x1.343792p+12L : 0x4.009395d78ebc9b64a0aa93fc93dp-16384L : inexact-ok += exp10 upward ldbl-128 -0x1.343792p+12L : 0x4.009395d78ebc9b64a0aa93fc93d4p-16384L : inexact-ok += exp10 downward ldbl-128ibm -0x1.343792p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 tonearest ldbl-128ibm -0x1.343792p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 towardzero ldbl-128ibm -0x1.343792p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 upward ldbl-128ibm -0x1.343792p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp10 downward flt-32 -0x1.343794p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 tonearest flt-32 -0x1.343794p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 towardzero flt-32 -0x1.343794p+12f : 0x0p+0f : inexact-ok underflow errno-erange += exp10 upward flt-32 -0x1.343794p+12f : 0x8p-152f : inexact-ok underflow errno-erange-ok += exp10 downward dbl-64 -0x1.343794p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 tonearest dbl-64 -0x1.343794p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 towardzero dbl-64 -0x1.343794p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 upward dbl-64 -0x1.343794p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-intel -0x1.343794p+12L : 0x3.ff6cdaadaae05f18p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-96-intel -0x1.343794p+12L : 0x3.ff6cdaadaae05f2p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-96-intel -0x1.343794p+12L : 0x3.ff6cdaadaae05f18p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-96-intel -0x1.343794p+12L : 0x3.ff6cdaadaae05f2p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-m68k -0x1.343794p+12L : 0x3.ff6cdaadaae05f1cp-16384L : inexact-ok += exp10 tonearest ldbl-96-m68k -0x1.343794p+12L : 0x3.ff6cdaadaae05f1cp-16384L : inexact-ok += exp10 towardzero ldbl-96-m68k -0x1.343794p+12L : 0x3.ff6cdaadaae05f1cp-16384L : inexact-ok += exp10 upward ldbl-96-m68k -0x1.343794p+12L : 0x3.ff6cdaadaae05f2p-16384L : inexact-ok += exp10 downward ldbl-128 -0x1.343794p+12L : 0x3.ff6cdaadaae05f1d9410e8bb22f8p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-128 -0x1.343794p+12L : 0x3.ff6cdaadaae05f1d9410e8bb22f8p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-128 -0x1.343794p+12L : 0x3.ff6cdaadaae05f1d9410e8bb22f8p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-128 -0x1.343794p+12L : 0x3.ff6cdaadaae05f1d9410e8bb22fcp-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-128ibm -0x1.343794p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 tonearest ldbl-128ibm -0x1.343794p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 towardzero ldbl-128ibm -0x1.343794p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 upward ldbl-128ibm -0x1.343794p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp10 downward dbl-64 -0x1.343793004f503p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 tonearest dbl-64 -0x1.343793004f503p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 towardzero dbl-64 -0x1.343793004f503p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 upward dbl-64 -0x1.343793004f503p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-intel -0x1.343793004f503p+12L : 0x4.0000000001434f48p-16384L : inexact-ok += exp10 tonearest ldbl-96-intel -0x1.343793004f503p+12L : 0x4.0000000001434f5p-16384L : inexact-ok += exp10 towardzero ldbl-96-intel -0x1.343793004f503p+12L : 0x4.0000000001434f48p-16384L : inexact-ok += exp10 upward ldbl-96-intel -0x1.343793004f503p+12L : 0x4.0000000001434f5p-16384L : inexact-ok += exp10 downward ldbl-96-m68k -0x1.343793004f503p+12L : 0x4.0000000001434f48p-16384L : inexact-ok += exp10 tonearest ldbl-96-m68k -0x1.343793004f503p+12L : 0x4.0000000001434f5p-16384L : inexact-ok += exp10 towardzero ldbl-96-m68k -0x1.343793004f503p+12L : 0x4.0000000001434f48p-16384L : inexact-ok += exp10 upward ldbl-96-m68k -0x1.343793004f503p+12L : 0x4.0000000001434f5p-16384L : inexact-ok += exp10 downward ldbl-128 -0x1.343793004f503p+12L : 0x4.0000000001434f4e77c5e6c4ab4cp-16384L : inexact-ok += exp10 tonearest ldbl-128 -0x1.343793004f503p+12L : 0x4.0000000001434f4e77c5e6c4ab5p-16384L : inexact-ok += exp10 towardzero ldbl-128 -0x1.343793004f503p+12L : 0x4.0000000001434f4e77c5e6c4ab4cp-16384L : inexact-ok += exp10 upward ldbl-128 -0x1.343793004f503p+12L : 0x4.0000000001434f4e77c5e6c4ab5p-16384L : inexact-ok += exp10 downward ldbl-128ibm -0x1.343793004f503p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 tonearest ldbl-128ibm -0x1.343793004f503p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 towardzero ldbl-128ibm -0x1.343793004f503p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 upward ldbl-128ibm -0x1.343793004f503p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp10 downward dbl-64 -0x1.343793004f504p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 tonearest dbl-64 -0x1.343793004f504p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 towardzero dbl-64 -0x1.343793004f504p+12 : 0x0p+0 : inexact-ok underflow errno-erange += exp10 upward dbl-64 -0x1.343793004f504p+12 : 0x4p-1076 : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-intel -0x1.343793004f504p+12L : 0x3.fffffffff80d767p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-96-intel -0x1.343793004f504p+12L : 0x3.fffffffff80d767p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-96-intel -0x1.343793004f504p+12L : 0x3.fffffffff80d767p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-96-intel -0x1.343793004f504p+12L : 0x3.fffffffff80d7678p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-m68k -0x1.343793004f504p+12L : 0x3.fffffffff80d767p-16384L : inexact-ok += exp10 tonearest ldbl-96-m68k -0x1.343793004f504p+12L : 0x3.fffffffff80d767p-16384L : inexact-ok += exp10 towardzero ldbl-96-m68k -0x1.343793004f504p+12L : 0x3.fffffffff80d767p-16384L : inexact-ok += exp10 upward ldbl-96-m68k -0x1.343793004f504p+12L : 0x3.fffffffff80d7674p-16384L : inexact-ok += exp10 downward ldbl-128 -0x1.343793004f504p+12L : 0x3.fffffffff80d76709d230e22dc24p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-128 -0x1.343793004f504p+12L : 0x3.fffffffff80d76709d230e22dc24p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-128 -0x1.343793004f504p+12L : 0x3.fffffffff80d76709d230e22dc24p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-128 -0x1.343793004f504p+12L : 0x3.fffffffff80d76709d230e22dc28p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-128ibm -0x1.343793004f504p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 tonearest ldbl-128ibm -0x1.343793004f504p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 towardzero ldbl-128ibm -0x1.343793004f504p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 upward ldbl-128ibm -0x1.343793004f504p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-intel -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbe8p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-96-intel -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbfp-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-96-intel -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbe8p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-96-intel -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbfp-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-96-m68k -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbecp-16384L : inexact-ok += exp10 tonearest ldbl-96-m68k -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbecp-16384L : inexact-ok += exp10 towardzero ldbl-96-m68k -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbecp-16384L : inexact-ok += exp10 upward ldbl-96-m68k -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbfp-16384L : inexact-ok += exp10 downward ldbl-128 -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbed07250d70bb4p-16384L : inexact-ok underflow errno-erange-ok += exp10 tonearest ldbl-128 -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbed07250d70bb4p-16384L : inexact-ok underflow errno-erange-ok += exp10 towardzero ldbl-128 -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbed07250d70bb4p-16384L : inexact-ok underflow errno-erange-ok += exp10 upward ldbl-128 -0x1.343793004f503232p+12L : 0x3.ffffffffffffcbed07250d70bb44p-16384L : inexact-ok underflow errno-erange-ok += exp10 downward ldbl-128ibm -0x1.343793004f503232p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 tonearest ldbl-128ibm -0x1.343793004f503232p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 towardzero ldbl-128ibm -0x1.343793004f503232p+12L : 0x0p+0L : inexact-ok underflow errno-erange += exp10 upward ldbl-128ibm -0x1.343793004f503232p+12L : 0x4p-1076L : inexact-ok underflow errno-erange-ok exp10 1e5 xfail-rounding:ldbl-128ibm = exp10 downward flt-32 0x1.86ap+16f : 0xf.fffffp+124f : xfail:ldbl-128ibm inexact-ok overflow errno-erange-ok = exp10 tonearest flt-32 0x1.86ap+16f : plus_infty : inexact-ok overflow errno-erange diff --git a/sysdeps/i386/fpu/e_expl.S b/sysdeps/i386/fpu/e_expl.S index c7e43732dc..74968bbc2b 100644 --- a/sysdeps/i386/fpu/e_expl.S +++ b/sysdeps/i386/fpu/e_expl.S @@ -65,6 +65,10 @@ c1: .byte 0x20, 0xfa, 0xee, 0xc2, 0x5f, 0x70, 0xa5, 0xec, 0xed, 0x3f csat: .byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x0e, 0x40 .byte 0, 0, 0, 0, 0, 0 ASM_SIZE_DIRECTIVE(csat) + .type cmin,@object +cmin: .byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x1, 0 + .byte 0, 0, 0, 0, 0, 0 + ASM_SIZE_DIRECTIVE(cmin) #endif #ifdef PIC @@ -189,8 +193,18 @@ ENTRY(IEEE754_EXPL) fstp %st(1) /* 2 */ fscale /* 2 scale factor is st(1); base^x */ fstp %st(1) /* 1 */ + /* Ensure underflow for tiny result. */ + fldt MO(cmin) /* 2 cmin */ + fld %st(1) /* 3 */ + fcompp /* 1 */ + fnstsw + sahf + jnc 6f + fld %st + fmul %st + fstp %st #endif - fstp %st(1) /* 0 */ +6: fstp %st(1) /* 0 */ jmp 2f 1: #ifdef USE_AS_EXPM1L diff --git a/sysdeps/x86_64/fpu/e_expl.S b/sysdeps/x86_64/fpu/e_expl.S index 0ebe3882a5..866bad2c6e 100644 --- a/sysdeps/x86_64/fpu/e_expl.S +++ b/sysdeps/x86_64/fpu/e_expl.S @@ -65,6 +65,10 @@ c1: .byte 0x20, 0xfa, 0xee, 0xc2, 0x5f, 0x70, 0xa5, 0xec, 0xed, 0x3f csat: .byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x0e, 0x40 .byte 0, 0, 0, 0, 0, 0 ASM_SIZE_DIRECTIVE(csat) + .type cmin,@object +cmin: .byte 0, 0, 0, 0, 0, 0, 0, 0x80, 0x1, 0 + .byte 0, 0, 0, 0, 0, 0 + ASM_SIZE_DIRECTIVE(cmin) #endif #ifdef PIC @@ -182,8 +186,17 @@ ENTRY(IEEE754_EXPL) fstp %st(1) /* 2 */ fscale /* 2 scale factor is st(1); base^x */ fstp %st(1) /* 1 */ + /* Ensure underflow for tiny result. */ + fldt MO(cmin) /* 2 cmin */ + fld %st(1) /* 3 */ + fcomip %st(1), %st /* 2 */ + fstp %st /* 1 */ + jnc 6f + fld %st + fmul %st + fstp %st #endif - fstp %st(1) /* 0 */ +6: fstp %st(1) /* 0 */ jmp 2f 1: #ifdef USE_AS_EXPM1L |