Am 20.05.2017 um 10:50 schrieb C Western: > The following revision seems to be generating bad code for me on linux/x86_64:
Can you please change line 26 in fpc compiler/x86/aoptx86.pas from { $define DEBUG_AOPTCPU} to {$define DEBUG_AOPTCPU} and post the assembler output again? > > r36200 | florian | 2017-05-13 10:58:25 +0100 (Sat, 13 May 2017) | 1 line > Changed paths: > M /trunk/compiler/i386/aoptcpu.pas > M /trunk/compiler/x86/aoptx86.pas > > * moved InstructionLoadsFromReg and RegReadByInstruction from > TCpuAsmOptimizer (i386) to > TX86AsmOptimizer > > I am not sure how to generate a simple test case, but the code fragment that > fails is below. As far > as I can tell, r14 is used, but never loaded; I think r13 should have been > used instead. > _______________________________________________ fpc-devel maillist - fpc-devel@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-devel