On 6/16/23 03:06, Kyrylo Tkachov via Gcc-patches wrote:
Hi all,
In the testcase for this patch we try to vec_concat the lowpart and highpart of
a vector, but the lowpart is expressed as a subreg.
simplify-rtx.cc does not recognise this and combine ends up trying to match:
Trying 7 -> 8:
Hi all,
In the testcase for this patch we try to vec_concat the lowpart and highpart of
a vector, but the lowpart is expressed as a subreg.
simplify-rtx.cc does not recognise this and combine ends up trying to match:
Trying 7 -> 8:
7: r93:V2SI=vec_select(r95:V4SI,parallel)
8: r97:V4SI=vec