Sourceware Bugzilla – Attachment 1350 Details for
Bug 3268
fma for all targets without hardware fma instructions is incorrect.
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[patch]
New fma_test to verify the intermediate multiply product has full percision.
ppc-fma-libm-test-20060920.txt (text/plain), 654 bytes, created by
Steven Munroe
on 2006-10-05 19:47:29 UTC
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Description:
New fma_test to verify the intermediate multiply product has full percision.
Filename:
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Creator:
Steven Munroe
Created:
2006-10-05 19:47:29 UTC
Size:
654 bytes
patch
obsolete
>2006-09-20 Steven Munroe <sjmunroe@us.ibm.com> > > [BZ #3268] > * math/libm-test.inc (fam_test): New tests. > >diff -urN libc24-cvstip-20060920/math/libm-test.inc libc24/math/libm-test.inc >--- libc24-cvstip-20060920/math/libm-test.inc 2006-09-20 14:36:26.000000000 -0500 >+++ libc24/math/libm-test.inc 2006-10-04 16:22:37.000000000 -0500 >@@ -2766,6 +2766,12 @@ > > TEST_fff_f (fma, 1.25L, 0.75L, 0.0625L, 1.0L); > >+ TEST_fff_f (fma, 8388609.0L, 8388609.0L, -70368752566272.0L, 8388609.0L); >+ >+#ifdef TEST_DOUBLE >+ TEST_fff_f (fma, 0x1.0000000000001p+52, 0x1.0000000000001p+52, -0x1.0000000000001p+104, 0x1.0000000000001p+52); >+#endif >+ > END (fma); > } >
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