[Bug target/119286] [15 Regression] GCN vs. "middle-end: delay checking for alignment to load [PR118464]"

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119286

--- Comment #1 from Thomas Schwinge <tschwinge at gcc dot gnu.org> ---
(In reply to Thomas Schwinge from comment #0)
> I found commit r15-7886-g2427793af1e545506e0315f8ec06adf73d76b3cc
> "middle-end: delay checking for alignment to load [PR118464]" responsible
> for a number of GCN target (tested '-march=gfx908') regressions (or new
> FAILs for the new test cases): [...]

..., and similarly -- but not identical! -- for '-march=gfx1100':

    PASS: gcc.dg/vect/vect-early-break_128.c (test for excess errors)
    PASS: gcc.dg/vect/vect-early-break_128.c scan-tree-dump vect "Loop contains
only SLP stmts"
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_128.c scan-tree-dump vect
"vectorizing stmts using SLP"

    {+PASS: gcc.dg/vect/vect-early-break_133_pfa10.c (test for excess errors)+}
    {+FAIL: gcc.dg/vect/vect-early-break_133_pfa10.c scan-tree-dump vect "LOOP
VECTORIZED"+}

    {+PASS: gcc.dg/vect/vect-early-break_133_pfa11.c (test for excess errors)+}
    {+FAIL: gcc.dg/vect/vect-early-break_133_pfa11.c scan-tree-dump vect "LOOP
VECTORIZED"+}

    {+PASS: gcc.dg/vect/vect-early-break_133_pfa8.c (test for excess errors)+}
    {+FAIL: gcc.dg/vect/vect-early-break_133_pfa8.c scan-tree-dump vect "LOOP
VECTORIZED"+}

    {+PASS: gcc.dg/vect/vect-early-break_133_pfa9.c (test for excess errors)+}
    {+FAIL: gcc.dg/vect/vect-early-break_133_pfa9.c scan-tree-dump vect "LOOP
VECTORIZED"+}
    {+PASS: gcc.dg/vect/vect-early-break_133_pfa9.c scan-tree-dump-not vect
"Alignment of access forced using peeling"+}

    PASS: gcc.dg/vect/vect-early-break_18.c (test for excess errors)
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_18.c
[-scan-tree-dump-]{+scan-tree-dump-not+} vect "LOOP VECTORIZED"

    PASS: gcc.dg/vect/vect-early-break_38.c (test for excess errors)
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_38.c
[-scan-tree-dump-]{+scan-tree-dump-not+} vect "vectorized 1 loops in function"

    PASS: gcc.dg/vect/vect-early-break_43.c (test for excess errors)
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_43.c scan-tree-dump vect
"vectorized 1 loops in function"

    PASS: gcc.dg/vect/vect-early-break_44.c (test for excess errors)
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_44.c scan-tree-dump vect
"vectorized 1 loops in function"

    PASS: gcc.dg/vect/vect-early-break_56.c (test for excess errors)
    PASS: gcc.dg/vect/vect-early-break_56.c execution test
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_56.c scan-tree-dump-times
vect "vectorized 2 loops" 2

    PASS: gcc.dg/vect/vect-early-break_6.c (test for excess errors)
    [-PASS:-]{+FAIL:+} gcc.dg/vect/vect-early-break_6.c scan-tree-dump vect
"LOOP VECTORIZED"