On Thu, May 26, 2011 at 9:56 AM, Julian Brown <jul...@codesourcery.com> wrote: > This patch allows padding to be specified per-target for libcalls. This > hasn't been traditionally important, because libcalls haven't accepted > quantities which might need padding, but that's no longer true with the > new(-ish) fixed-point support helper functions. > > Tested (alongside other fixed-point support patches) with cross to ARM > EABI in both big & little-endian mode (the target-specific part is to > avoid a behaviour change for half-float types on ARM). OK to apply? > > Thanks, > > Julian > > ChangeLog > > gcc/ > * calls.c (emit_library_call_value_1): Support padding for libcall > arguments and return values. > * config/arm/arm.c (arm_pad_arg_upward): Pad half-float values > downwards in big-endian mode.
This breaks bootstrap on Linux/x86: http://gcc.gnu.org/ml/gcc-regression/2011-08/msg00007.html ../../src-trunk/gcc/calls.c: In function 'rtx_def* emit_library_call_value_1(int, rtx, rtx, libcall_type, machine_mode, int, __va_list_tag*)': ../../src-trunk/gcc/calls.c:3832:11: error: unused variable 'size' [-Werror=unused-variable] cc1plus: all warnings being treated as errors make[6]: *** [calls.o] Error 1 -- H.J.
