[Bug target/20296] Speeding up small interrupts on avr
wiml at hhhh dot org
gcc-bugzilla@gcc.gnu.org
Sun Nov 6 20:40:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20296
Wim Lewis <wiml at hhhh dot org> changed:
What |Removed |Added
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CC| |wiml at hhhh dot org
--- Comment #2 from Wim Lewis <wiml at hhhh dot org> 2011-11-06 20:39:49 UTC ---
FWIW, confirming that versions 4.3.4 and 4.6.2 still emit these unnecessary
saves of r0 and r1 for small ISRs (the generated code is identical to what
berndtrog@yahoo.com posted, at least for optimization levels >= 1).
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