cvsuser 04/12/29 17:27:38
Modified: imcc cfg.c
Log:
Fix a few typos.
Revision Changes Path
1.68 +11 -10 parrot/imcc/cfg.c
Index: cfg.c
===================================================================
RCS file: /cvs/public/parrot/imcc/cfg.c,v
retrieving revision 1.67
retrieving revision 1.68
diff -u -r1.67 -r1.68
--- cfg.c 1 Dec 2004 08:10:34 -0000 1.67
+++ cfg.c 30 Dec 2004 01:27:37 -0000 1.68
@@ -2,7 +2,7 @@
* cfg.c
*
* A basic block is the longest sequence of instructions that we are
- * sure will be executed sequentally: no branches, no labels.
+ * sure will be executed sequentially: no branches, no labels.
*
* The control-flow graph is a directed graph that reflects the
* flow of execution between blocks.
@@ -16,6 +16,7 @@
#include "parrot/oplib/ops.h"
/* #define ALIAS */
+/* Currently unused -- see propagate_alias below */
static void add_instruct_reads(Interp *, Instruction *ins, SymReg *r0);
static void add_instruct_writes(Interp *, Instruction *ins, SymReg *r0);
@@ -99,7 +100,7 @@
bb->end = ins;
ins->bbindex = unit->n_basic_blocks - 1;
/* invoke and newsub have implicit args (P0, P1) so mark it as doing
so
- * XXX Needs to be done in the parser or instruction creation api
+ * XXX Needs to be done in the parser or instruction creation API
*/
if ( !strcmp(ins->op, "invoke") || !strcmp(ins->op, "invokecc")) {
if (ins->opsize == 1) {
@@ -146,7 +147,7 @@
bb = make_basic_block(interpreter, unit, ins);
}
/* a branch is the end of a basic block
- * so start a new with the next ins */
+ * so start a new one with the next instruction */
if (ins->type & ITBRANCH) {
SymReg * addr = get_branch_reg(bb->end);
int found = 1;
@@ -203,7 +204,7 @@
}
/* Once the basic blocks have been computed, build_cfg computes
- the dependences between them. */
+ the dependencies between them. */
void
build_cfg(Parrot_Interp interpreter, IMC_Unit * unit)
@@ -538,7 +539,7 @@
r->usage |= U_NON_VOLATILE;
/* This block uses r, so it must be live at
- the beggining */
+ the beginning */
r->life_info[i]->flags |= LF_lv_in;
/* propagate this info to every predecessor */
@@ -626,7 +627,7 @@
}
else {
/* we read before having written before, so the var was
- * live at the beggining of the block */
+ * live at the beginning of the block */
l->first_ins = bb->start;
l->flags |= LF_use;
}
@@ -650,8 +651,8 @@
if (!l->last_ins)
l->last_ins = l->first_ins;
- /* l->last can latter be extended if it turns out
- * that another block needs the value resulting of this
+ /* l->last can later be extended if it turns out
+ * that another block needs the value resulting from this
* computation */
}
@@ -716,7 +717,7 @@
/*
* Computes the dominators tree of the CFG.
- * Basic block A dominates B, if each path to B passes trough A
+ * Basic block A dominates B, if each path to B passes through A
*
* s. gcc:flow.c compute_dominators
*/
@@ -910,7 +911,7 @@
dump_loops(unit);
}
-/* Incresases the loop_depth of all the nodes in a loop */
+/* Increases the loop_depth of all the nodes in a loop */
static void
mark_loop (Parrot_Interp interpreter, IMC_Unit * unit, Edge* e)
