[Bug target/101504] [12 Regression] ICE: in lra_assign, at lra-assigns.c:1649 with -O2 -march=broadwell

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101504

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by H.J. Lu <h...@gcc.gnu.org>:

https://gcc.gnu.org/g:085666673db03c2e53db368d699c47032c6c5f2e

commit r12-2495-g085666673db03c2e53db368d699c47032c6c5f2e
Author: H.J. Lu <hjl.to...@gmail.com>
Date:   Thu Jul 22 05:17:27 2021 -0700

    x86: Don't return hard register when LRA is in progress

    Don't return hard register in ix86_gen_scratch_sse_rtx when LRA is in
    progress to avoid ICE when there are no available hard registers for
    LRA.

    gcc/

            PR target/101504
            * config/i386/i386.c (ix86_gen_scratch_sse_rtx): Don't return
            hard register when LRA is in progress.

    gcc/testsuite/

            PR target/101504
            * gcc.target/i386/pr101504.c: New test.