/usr/src/gcc-4.6/debian/patches/alpha-ieee-doc.diff is in gcc-4.6-source 4.6.3-14.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | # DP: #212912
# DP: on alpha-linux, make -mieee default and add -mieee-disable switch
# DP: to turn default off (doc patch)
---
gcc/doc/invoke.texi | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
--- a/src/gcc/doc/invoke.texi
+++ b/src/gcc/doc/invoke.texi
@@ -9980,6 +9980,13 @@ able to correctly support denormalized numbers and exceptional IEEE
values such as not-a-number and plus/minus infinity. Other Alpha
compilers call this option @option{-ieee_with_no_inexact}.
+DEBIAN SPECIFIC: This option is on by default, unless
+@option{-ffinite-math-only} (which is part of the @option{-ffast-math}
+set) is specified, because the software functions in the GNU libc math
+libraries generate denormalized numbers, NaNs, and infs (all of which
+will cause a programs to SIGFPE when it attempts to use the results without
+@option{-mieee}).
+
@item -mieee-with-inexact
@opindex mieee-with-inexact
This is like @option{-mieee} except the generated code also maintains
|