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Fix a stupid logic bug that was dropping stores by folding double nots.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5307 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2018-09-18 04:35:33 +00:00
parent 44850dec4e
commit fee84965c1
1 changed files with 4 additions and 3 deletions
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7
engine/qclib/qcc_pr_comp.c
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@ -2961,7 +2961,7 @@ QCC_sref_t QCC_PR_StatementFlags ( QCC_opcode_t *op, QCC_sref_t var_a, QCC_sref_
{ //optimise based on last statement.
if (op - pr_opcodes == OP_IFNOT_I)
{
if (opt_shortenifnots && var_a.cast && var_a.sym->refcount == 1 && (statements[numstatements-1].op == OP_NOT_F || statements[numstatements-1].op == OP_NOT_FNC || statements[numstatements-1].op == OP_NOT_ENT))
if (opt_shortenifnots && var_a.cast && var_a.sym->temp && var_a.sym->refcount == 1 && (statements[numstatements-1].op == OP_NOT_F || statements[numstatements-1].op == OP_NOT_FNC || statements[numstatements-1].op == OP_NOT_ENT))
{
if (statements[numstatements-1].c.sym == var_a.sym && statements[numstatements-1].c.ofs == var_a.ofs)
{
@ -2980,7 +2980,7 @@ QCC_sref_t QCC_PR_StatementFlags ( QCC_opcode_t *op, QCC_sref_t var_a, QCC_sref_
}
else if (op - pr_opcodes == OP_IFNOT_F)
{
if (opt_shortenifnots && var_a.cast && var_a.sym->refcount == 1 && statements[numstatements-1].op == OP_NOT_F)
if (opt_shortenifnots && var_a.cast && var_a.sym->temp && var_a.sym->refcount == 1 && statements[numstatements-1].op == OP_NOT_F)
{
if (statements[numstatements-1].c.sym == var_a.sym && statements[numstatements-1].c.ofs == var_a.ofs)
{
@ -2996,7 +2996,7 @@ QCC_sref_t QCC_PR_StatementFlags ( QCC_opcode_t *op, QCC_sref_t var_a, QCC_sref_
}
else if (op - pr_opcodes == OP_IFNOT_S)
{
if (opt_shortenifnots && var_a.cast && statements[numstatements-1].op == OP_NOT_S)
if (opt_shortenifnots && var_a.cast && var_a.sym->temp && var_a.sym->refcount == 1 && statements[numstatements-1].op == OP_NOT_S)
{
if (statements[numstatements-1].c.sym == var_a.sym && statements[numstatements-1].c.ofs == var_a.ofs)
{
@ -12966,6 +12966,7 @@ QCC_function_t *QCC_PR_ParseImmediateStatements (QCC_def_t *def, QCC_type_t *typ
{ //FIXME: should probably always take this path, but kinda pointless until we have relocs for defs
QCC_RemapLockedTemps(f->code, numstatements);
QCC_Marshal_Locals(f->code, numstatements);
QCC_WriteAsmFunction(f, f->code, f->firstlocal); //FIXME: this will print the entire function, not just the part that we added. and we'll print it all again later, too. should probably make it a function attribute that we check at the end.
f->numstatements = numstatements - f->code;
f->statements = qccHunkAlloc(sizeof(*statements)*f->numstatements);