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| author | Jing Yu <jingyu@google.com> | 2011-01-30 22:18:29 -0800 |
|---|---|---|
| committer | Jing Yu <jingyu@google.com> | 2011-01-30 22:18:29 -0800 |
| commit | 4a66e756636cb8364582ea503abd10d76f5b4aa3 (patch) | |
| tree | 9660204ec085888a0601a6460c967b204a63d5f3 /gcc-4.4.3/gcc/doc/md.texi | |
| parent | b6be42e837844cce5283f42fcfac31e6d66a277d (diff) | |
| download | toolchain_gcc-4a66e756636cb8364582ea503abd10d76f5b4aa3.tar.gz toolchain_gcc-4a66e756636cb8364582ea503abd10d76f5b4aa3.tar.bz2 toolchain_gcc-4a66e756636cb8364582ea503abd10d76f5b4aa3.zip | |
Upgrade gcc-4.4.3 for Android toolchain.
- Backport upstream patches to support arm hardfp.
- Backport gcc-4.5 patches to support -march=atom. Now it is
able to build atom toolchain with glibc from this branch
- Develop a bunch of optimizations
- Fix a few arm dejagnu failures
To-do list:
- Support Android/atom
- Fix ia32 bootstrap failure
Change-Id: I5e10dcd21620d4d8ca984d1d1707a76067e61691
Diffstat (limited to 'gcc-4.4.3/gcc/doc/md.texi')
| -rw-r--r-- | gcc-4.4.3/gcc/doc/md.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc-4.4.3/gcc/doc/md.texi b/gcc-4.4.3/gcc/doc/md.texi index cdfe379fb..6b3ca0a9d 100644 --- a/gcc-4.4.3/gcc/doc/md.texi +++ b/gcc-4.4.3/gcc/doc/md.texi @@ -7504,6 +7504,11 @@ be ignored for this case. The additional guard is necessary to recognize complicated bypasses, e.g.@: when the consumer is only an address of insn @samp{store} (not a stored value). +If there are more one bypass with the same output and input insns, the +chosen bypass is the first bypass with a guard in description whose +guard function returns nonzero. If there is no such bypass, then +bypass without the guard function is chosen. + @findex exclusion_set @findex presence_set @findex final_presence_set |