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| author | Georg-Johann Lay <avr@gjlay.de> | 2014-05-28 08:42:25 +0000 |
|---|---|---|
| committer | Georg-Johann Lay <gjl@gcc.gnu.org> | 2014-05-28 08:42:25 +0000 |
| commit | 92747f7d22c15533a4c7d7574bc7a7371741a727 (patch) | |
| tree | 777f5e8ed193e5f5d5835b473a86fa37cb2e6de6 /gcc/doc | |
| parent | c8912e539b9060c3f4f037188374e2ccfa00666b (diff) | |
| download | gcc-92747f7d22c15533a4c7d7574bc7a7371741a727.zip gcc-92747f7d22c15533a4c7d7574bc7a7371741a727.tar.gz gcc-92747f7d22c15533a4c7d7574bc7a7371741a727.tar.bz2 | |
re PR target/61044 (Computed goto on AVR fails to use word-addressing)
PR target/61044
* doc/extend.texi (Local Labels): Note that label differences are
not supported for AVR.
From-SVN: r210999
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/extend.texi | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 4e1a6b3..cc16c95 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -373,6 +373,8 @@ goto *(&&foo + array[i]); This is more friendly to code living in shared libraries, as it reduces the number of dynamic relocations that are needed, and by consequence, allows the data to be read-only. +This alternative with label differences is not supported for the AVR target, +please use the first approach for AVR programs. The @code{&&foo} expressions for the same label might have different values if the containing function is inlined or cloned. If a program |