Hello! The same definition now lives in defaults.h, included through tm.h.
2013-01-07 Uros Bizjak <ubiz...@gmail.com> * config/i386/i386.c (DEFAULT_PCC_STRUCT_RETURN): Remove. Tested on x86_64-pc-linux-gnu, committed to mainline SVN. Uros. Index: config/i386/i386.c =================================================================== --- config/i386/i386.c (revision 194959) +++ config/i386/i386.c (working copy) @@ -2397,12 +2397,6 @@ #define SUBTARGET32_DEFAULT_CPU "i386" #endif -/* The svr4 ABI for the i386 says that records and unions are returned - in memory. */ -#ifndef DEFAULT_PCC_STRUCT_RETURN -#define DEFAULT_PCC_STRUCT_RETURN 1 -#endif - /* Whether -mtune= or -march= were specified */ static int ix86_tune_defaulted; static int ix86_arch_specified;