[PATCH] Move scanning pass of forwprop-19.c to dse1 for r13-3212-gb88adba751da63

gcc/testsuite/ChangeLog: * gcc.dg/tree-ssa/forwprop-19.c: Move scanning pass from forwprop1 to dse1, This fixs the test case fail. --- gcc/testsuite/gcc.dg/tree-ssa/forwprop-19.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/gcc/testsuite/gcc.dg/tree-ssa

[PATCH] Optimize identical permutation in my last r13-3212-gb88adba751da63

Add extra index check when merging VEC_CST, this handles the case when exactly op1 needs to be return. This fixes: FAIL: gcc.dg/tree-ssa/forwprop-19.c scan-tree-dump-not forwprop1 "VEC_PERM_EXPR" gcc/ChangeLog: PR target/107220 * match.pd: Check the index of VEC_CST and

[PATCH] Optimize indentical permuation in my last r13-3212-gb88adba751da63

Add extra index check when merging VEC_CST, this handles the case when exactly op1 needs to be return. This fixes: FAIL: gcc.dg/tree-ssa/forwprop-19.c scan-tree-dump-not forwprop1 "VEC_PERM_EXPR" gcc/ChangeLog: PR target/107220 * match.pd: Check the index of VEC_CST and

[PATCH] Optimize nested permutation to single VEC_PERM_EXPR [PR54346]

This patch implemented the optimization in PR 54346, which Merges c = VEC_PERM_EXPR ; d = VEC_PERM_EXPR ; to d = VEC_PERM_EXPR ; Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,} tree-ssa/forwprop-19.c fail to pass but I'm not