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tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.

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* tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
	* tree-ssa-propagate.c: Fix documentation.

From-SVN: r86726
This commit is contained in:
Diego Novillo 2004-08-29 15:42:42 +00:00 committed by Diego Novillo
parent 2435c4c1c8
commit 766ff1b117
3 changed files with 7 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2004-08-29 Diego Novillo <dnovillo@redhat.com>
* tree-ssa-ccp.c (ccp_visit_stmt): Remove #if 0 guards.
* tree-ssa-propagate.c: Fix documentation.
2004-08-29 Richard Sandiford <rsandifo@redhat.com>
* config/mips/mips.md (*mov[sd]f_on_*): Redefine using :SCALARF.

2
gcc/tree-ssa-ccp.c
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@ -1168,10 +1168,8 @@ ccp_visit_stmt (tree stmt, edge *taken_edge_p, tree *output_p)
/* Any other kind of statement is not interesting for constant
propagation and, therefore, not worth simulating. */
#if 0
if (dump_file && (dump_flags & TDF_DETAILS))
fprintf (dump_file, "No interesting values produced. Marked VARYING.\n");
#endif
/* Definitions made by statements other than assignments to
SSA_NAMEs represent unknown modifications to their outputs.

4
gcc/tree-ssa-propagate.c
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@ -50,7 +50,7 @@
proceeds as follows:
1- Initially, all edges of the CFG are marked not executable and
the CFG worklist seeded with all the statements in the entry
the CFG worklist is seeded with all the statements in the entry
basic block (block 0).
2- Every statement S is simulated with a call to the call-back
@ -75,7 +75,7 @@
3- PHI nodes are simulated with a call to SSA_PROP_VISIT_PHI. The
return value from SSA_PROP_VISIT_PHI has the same semantics as
described in #3.
described in #2.
4- Three work lists are kept. Statements are only added to these
lists if they produce one of SSA_PROP_INTERESTING or