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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fd3e32a6af9..c7b59f0071f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,15 @@ +2003-03-31 Roger Sayle <roger@eyesopen.com> + + * emit-rtl.c (dconstm2, dconsthalf): New real constants. + (init_emit_once): Initialize dconstm2 and dconsthalf here. + * real.h (dconstm2, dconsthalf): Add prototypes here. + * real.c (real_sqrt): Use dconsthalf rather than local copy. + * builtins.c (fold_builtin): When optimizing sqrt(exp(x)) as + exp(x/2.0) remember to fold the division if possible. + Fold sin(0.0) as 0.0, cos(0.0) as 1.0, pow(x,1.0) as x, + pow(x,-1.0) as 1.0/x, pow(x,2.0) as x*x, pow(x,-2.0) as + 1.0/(x*x) and pow(x,0.5) as sqrt(x). + 2003-03-31 Kazu Hirata <kazu@cs.umass.edu> * config/h8300/h8300.md (a new peephole2): New. |