i386: Do not emit mask compares for mode sizes < 16 [PR100445]
Recent addition of v*cond* patterns for MMXMODEI modes allows 64bit MMX
modes to enter ix86_expand_sse_cmp. ix86_use_mask_cmp_p was not prepared
to reject mode sizes < 16, resulting in ICE due to unavailability of 64bit
masked PCOM instructions.
2021-05-07 Uroš Bizjak <ubizjak@gmail.com>
gcc/
PR target/100445
* config/i386/i386-expand.c (ix86_use_mask_cmp_p):
Return false for mode sizes < 16.
gcc/testsuite/
PR target/100445
* gcc.target/i386/pr100445-1.c: New test.