[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


Wim Lewis <wiml at hhhh dot org> changed:

           What    |Removed                     |Added
                 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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