On Tue, Nov 14, 2023 at 6:37 PM Uros Bizjak wrote:
> PR target/78904
>
> gcc/ChangeLog:
>
> * config/i386/i386.md (*addqi_ext_1_slp):
> New define_insn_and_split pattern.
> (*subqi_ext_1_slp): Ditto.
> (*qi_ext_1_slp): Ditto.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/i
Following testcase:
struct S1
{
unsigned char val;
unsigned char pad1;
unsigned short pad2;
};
struct S2
{
unsigned char pad1;
unsigned char val;
unsigned short pad2;
};
struct S1 test_and (struct S1 a, struct S2 b)
{
a.val &= b.val;
return a;
}
compiles with -O2 to:
movl
