On Mon, 7 Jan 2019 at 16:56, Xi Ruoyao wrote: > > On 2019-01-07 11:14 -0500, Felipe Gohring wrote: > > Hello, > > recently, I have updated my GCC PowerPC port from 6.3 to 8.2 > > As my architecture relies on SPE extension, I am using the SPE brench of > > GCC (powerpc-eabispe-*). > > > > Now, my question is related to the generated code. When using V6.3, I had > > files of about 10k. After upgrading to V8.2, the very same file has more > > than 40k. Why is that? Please keep in mind that I am using exactly the same > > compilation flags (*-m32 -mmfpgpr -mabi=spe -mfloat-gprs=double -nostdlib > > -ffreestanding -fno-builtin -O0 -g3 -std=c11 -Wno-packed-bitfield-compat > > -Wall -Werror*) and source code, the only thing changing is the compiler > > version. I wouldn't mind having a memory footprint a bit bigger, but the > > overhead added is beyond acceptable. > > Is there any difference w/o -g3? A increased size of debugging symbols > is not a bug and may provide better debug information for GDB. If the > object code itself bloats there may be a regression. And there's no memory overhead for debug info. Compare the sizes of the files by using the 'size' command, not 'ls -l'.
