------- Comment #3 from lacombar at gmail dot com 2010-09-09 04:34 ------- Some random config of the linux kernel, as of 2.6.36-rc3 results on the following
stat.c: In function 'show_stat': stat.c:123:1: error: unable to find a register to spill in class 'FP_REGS' stat.c:123:1: error: this is the insn: (insn 43 49 50 3 stat.c:43 (set (reg:DI 281 [ D.14392_45->cpustat.user ]) (mem/s:DI (plus:SI (reg:SI 25 %i1 [orig:500 __ptr ] [500]) (reg:SI 15 %o7 [orig:128 D.16865 ] [128])) [7 D.14392_45->cpustat.user+0 S8 A64])) 46 {*movdi_insn_sp32} (expr_list:REG_EQUIV (mem/s:DI (plus:SI (reg:SI 25 %i1 [orig:500 __ptr ] [500]) (reg:SI 15 %o7 [orig:128 D.16865 ] [128])) [7 D.14392_45->cpustat.user+0 S8 A64]) (nil))) the (already) attached testcase still fails with gcc 4.5.2. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35664