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authorBernd Schmidt <bernds@codesourcery.com>2010-04-22 09:30:27 +0000
committerBernd Schmidt <bernds@gcc.gnu.org>2010-04-22 09:30:27 +0000
commit5b58b39b0a7d1c79b0d57e51199864f9a3685bb4 (patch)
tree9248604cc9a0efe5af0b9ed453fe7110c80743c8 /gcc/tree-pass.h
parent92375a2020b1f32bf7be92025493cebd9b3b4400 (diff)
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re PR middle-end/29274 (not using mulsidi3)
gcc/ PR middle-end/29274 * optabs.h (expand_widening_mult): Declare. * tree-pass.h (pass_optimize_widening_mul): Declare. * tree-ssa-math-opts.c (execute_optimize_widening_mul, gate_optimize_widening_mul): New static functions. (pass_optimize_widening_mul): New. * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case. <case MULT_EXPR>: Remove support for widening multiplies. * tree.def (WIDEN_MULT_EXPR): Tweak comment. * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use simplify_gen_unary rather than directly building extensions. * tree-cfg.c (verify_gimple_assign_binary): Add tests for WIDEN_MULT_EXPR. * expmed.c (expand_widening_mult): New function. * passes.c (init_optimization_passes): Add pass_optimize_widening_mul. gcc/testsuite/ PR middle-end/29274 * gcc.target/i386/wmul-1.c: New test. * gcc.target/i386/wmul-2.c: New test. * gcc.target/bfin/wmul-1.c: New test. * gcc.target/bfin/wmul-2.c: New test. From-SVN: r158633
Diffstat (limited to 'gcc/tree-pass.h')
-rw-r--r--gcc/tree-pass.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h
index 42ef8b2..3d7798e 100644
--- a/gcc/tree-pass.h
+++ b/gcc/tree-pass.h
@@ -411,6 +411,7 @@ extern struct gimple_opt_pass pass_late_warn_uninitialized;
extern struct gimple_opt_pass pass_cse_reciprocals;
extern struct gimple_opt_pass pass_cse_sincos;
extern struct gimple_opt_pass pass_optimize_bswap;
+extern struct gimple_opt_pass pass_optimize_widening_mul;
extern struct gimple_opt_pass pass_warn_function_return;
extern struct gimple_opt_pass pass_warn_function_noreturn;
extern struct gimple_opt_pass pass_cselim;