| /* PR tree-optimization/97750 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -Wall -Wextra" } */ |
| |
| char CopyPlane_src; |
| long CopyPlane_copy_pitch; |
| char *CopyFromUswc_src; |
| int CopyFromUswc_height; |
| void CopyPlane(char *dst) { |
| __builtin_memcpy(dst, &CopyPlane_src, CopyPlane_copy_pitch); |
| } |
| void CopyFromUswc(long src_pitch) { |
| char *dst; |
| for (; CopyFromUswc_height;) { |
| unsigned unaligned = (long)CopyFromUswc_src; |
| if (unaligned) |
| CopyPlane(&dst[unaligned]); |
| CopyFromUswc_src += src_pitch; |
| } |
| } |
| /* { dg-prune-output "-Wmaybe-uninitialized" } */ |
