/* Ensure that explicit zero-entend instructions are present when compiling for targets without sram-ecc enabled (in which sub-dword loads do not zero the high bits of the target register). */ /* { dg-do compile } */ /* { dg-options "-O2 -ftree-vectorize -dp -msram-ecc=off" } */ typedef unsigned int v64si __attribute__ ((vector_size (64*4))); typedef unsigned short v64hi __attribute__ ((vector_size (64*2))); extern v64si a; extern v64hi b; void f () { for (int n = 0; n < 64; n++) a[n] = b[n]; } /* { dg-final { scan-assembler "zero_extendv64hiv64si2" } } */