On Mon, Sep 21, 2015 at 12:31:58PM +0100, Dominik Vogt wrote: > This patch adds to new backend hooks > ASM_OUTPUT_START_FUNCTION_HEADER and > ASM_OUTPUT_END_FUNCTION_FOOTER that may be defined to emit > assembly code at the very start or end of a function. This > functionality is needed by the patch that ports the "target" > attribute and pragma to S/390. (I'll post that patch shortly, and > in a different thread.)
obligatory question, why are we adding new target macros instead of using hooks? Especially in a place like this where the caller is very unlikely to be at all hot. thanks! Trev