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Ensure return's operand gets set properly.

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Yay for coding and designing at the same time, not :P
This commit is contained in:
Bill Currie 2012-11-16 21:50:27 +09:00
parent bd5a790456
commit 872b13616d
1 changed files with 9 additions and 9 deletions
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18
tools/qfcc/source/flow.c
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@ -527,7 +527,7 @@ void
flow_analyze_statement (statement_t *s, set_t *use, set_t *def, set_t *kill,
operand_t *operands[4])
{
int i, start, calln;
int i, start, calln = -1;
if (use)
set_empty (use);
@ -593,17 +593,15 @@ flow_analyze_statement (statement_t *s, set_t *use, set_t *def, set_t *kill,
if (strcmp (s->opcode, "<RETURN>") == 0
|| strcmp (s->opcode, "<DONE>") == 0) {
flow_add_op_var (use, s->opa);
break;
} else if (strcmp (s->opcode, "<RETURN_V>") == 0) {
if (use)
set_add (use, 0); //FIXME assumes .return location
break;
}
if (strncmp (s->opcode, "<CALL", 5) == 0) {
start = 0;
calln = s->opcode[5] - '0';
flow_add_op_var (use, s->opa);
} else { // RCALL
} else if (strncmp (s->opcode, "<RCALL", 6) == 0) {
start = 2;
calln = s->opcode[6] - '0';
flow_add_op_var (use, s->opa);
@ -611,12 +609,14 @@ flow_analyze_statement (statement_t *s, set_t *use, set_t *def, set_t *kill,
if (s->opc)
flow_add_op_var (use, s->opc);
}
if (use) {
for (i = start; i < calln; i++)
set_add (use, i + 1); //FIXME assumes .param_N locations
if (calln >= 0) {
if (use) {
for (i = start; i < calln; i++)
set_add (use, i + 1);//FIXME assumes .param_N locations
}
if (kill)
set_add (kill, 0); //FIXME assumes .return location
}
if (kill)
set_add (kill, 0); //FIXME assumes .return location
if (operands) {
operands[1] = s->opa;
operands[2] = s->opb;