From 78d5e125c008d87cb2e1c08a9ff2a02d4214ffcf Mon Sep 17 00:00:00 2001 From: liuhongt Date: Tue, 19 Jul 2022 11:22:24 +0800 Subject: Move pass_cse_sincos after vectorizer. __builtin_cexpi can't be vectorized since there's gap between it and vectorized sincos version(In libmvec, it passes a double and two double pointer and returns nothing.) And it will lose some vectorization opportunity if sin & cos are optimized to cexpi before vectorizer. I'm trying to add vect_recog_cexpi_pattern to split cexpi to sin and cos, but it failed vectorizable_simd_clone_call since NULL is returned by cgraph_node::get (fndecl). So alternatively, the patch try to move pass_cse_sincos after vectorizer, just before pas_cse_reciprocals. Also original pass_cse_sincos additionaly expands pow&cabs, this patch split that part into a separate pass named pass_expand_powcabs which remains the old pass position. gcc/ChangeLog: * passes.def: (Split pass_cse_sincos to pass_expand_powcabs and pass_cse_sincos, and move pass_cse_sincos after vectorizer). * timevar.def (TV_TREE_POWCABS): New timevar. * tree-pass.h (make_pass_expand_powcabs): Split from pass_cse_sincos. * tree-ssa-math-opts.cc (gimple_expand_builtin_cabs): Ditto. (class pass_expand_powcabs): Ditto. (pass_expand_powcabs::execute): Ditto. (make_pass_expand_powcabs): Ditto. (pass_cse_sincos::execute): Remove pow/cabs expand part. (make_pass_cse_sincos): Ditto. gcc/testsuite/ChangeLog: * gcc.dg/pow-sqrt-synth-1.c: Adjust testcase. --- gcc/tree-pass.h | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/tree-pass.h') diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h index 606d1d6..4dfe05e 100644 --- a/gcc/tree-pass.h +++ b/gcc/tree-pass.h @@ -444,6 +444,7 @@ extern gimple_opt_pass *make_pass_early_warn_uninitialized (gcc::context *ctxt); extern gimple_opt_pass *make_pass_late_warn_uninitialized (gcc::context *ctxt); extern gimple_opt_pass *make_pass_cse_reciprocals (gcc::context *ctxt); extern gimple_opt_pass *make_pass_cse_sincos (gcc::context *ctxt); +extern gimple_opt_pass *make_pass_expand_powcabs (gcc::context *ctxt); extern gimple_opt_pass *make_pass_optimize_bswap (gcc::context *ctxt); extern gimple_opt_pass *make_pass_store_merging (gcc::context *ctxt); extern gimple_opt_pass *make_pass_optimize_widening_mul (gcc::context *ctxt); -- cgit v1.1