From 1c9fc6717175bc3fdceaee65c5469d3314f13fcd Mon Sep 17 00:00:00 2001 From: kazu Date: Sat, 28 May 2005 21:03:53 +0000 Subject: [PATCH] * tree-ssa-ccp.c (ccp_fold): Remove code that produces non-gimple min minvariant. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100301 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/tree-ssa-ccp.c | 32 -------------------------------- 2 files changed, 5 insertions(+), 32 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 50e3e65..a925d49 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-05-28 Kazu Hirata + + * tree-ssa-ccp.c (ccp_fold): Remove code that produces + non-gimple min minvariant. + 2005-05-28 Jan Hubicka * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis): diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index c1593f8..01b608b 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -855,21 +855,6 @@ ccp_fold (tree stmt) use this expression. */ if (retval && ! is_gimple_min_invariant (retval)) return NULL; - - /* If we could not fold the expression, but the arguments are all - constants and gimple values, then build and return the new - expression. - - In some cases the new expression is still something we can - use as a replacement for an argument. This happens with - NOP conversions of types for example. - - In other cases the new expression can not be used as a - replacement for an argument (as it would create non-gimple - code). But the new expression can still be used to derive - other constants. */ - if (! retval && is_gimple_min_invariant (op0)) - return build1 (code, TREE_TYPE (rhs), op0); } /* Binary and comparison operators. We know one or both of the @@ -906,23 +891,6 @@ ccp_fold (tree stmt) use this expression. */ if (retval && ! is_gimple_min_invariant (retval)) return NULL; - - /* If we could not fold the expression, but the arguments are all - constants and gimple values, then build and return the new - expression. - - In some cases the new expression is still something we can - use as a replacement for an argument. This happens with - NOP conversions of types for example. - - In other cases the new expression can not be used as a - replacement for an argument (as it would create non-gimple - code). But the new expression can still be used to derive - other constants. */ - if (! retval - && is_gimple_min_invariant (op0) - && is_gimple_min_invariant (op1)) - return build (code, TREE_TYPE (rhs), op0, op1); } /* We may be able to fold away calls to builtin functions if their -- 2.7.4