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Fix some issues with implicit int->float conversions. Constants convert to floats gracefully if the target doesn't support the required instruction. -fassumeints now finally works as expected.

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git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4781 fc73d0e0-1445-4013-8a0c-d673dee63da5
This commit is contained in:
Spoike 2014-10-30 11:28:19 +00:00
parent 3998821865
commit 2dbad9574c
1 changed files with 154 additions and 23 deletions
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177
engine/qclib/qcc_pr_comp.c
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@ -504,7 +504,7 @@ QCC_opcode_t pr_opcodes[] =
{7, "&&", "AND_FI", 7, ASSOC_LEFT, &type_float, &type_integer, &type_integer}, {7, "&&", "AND_FI", 7, ASSOC_LEFT, &type_float, &type_integer, &type_integer},
{7, "||", "OR_FI", 7, ASSOC_LEFT, &type_float, &type_integer, &type_integer}, {7, "||", "OR_FI", 7, ASSOC_LEFT, &type_float, &type_integer, &type_integer},
{7, "!=", "NE_IF", 5, ASSOC_LEFT, &type_integer, &type_float, &type_integer}, {7, "!=", "NE_IF", 5, ASSOC_LEFT, &type_integer, &type_float, &type_integer},
{7, "!=", "NE_FI", 5, ASSOC_LEFT, &type_float, &type_float, &type_integer}, {7, "!=", "NE_FI", 5, ASSOC_LEFT, &type_float, &type_integer, &type_integer},
@ -3098,6 +3098,10 @@ QCC_def_t *QCC_PR_StatementFlags (QCC_opcode_t *op, QCC_def_t *var_a, QCC_def_t
numstatements--; numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0); var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_ADD_F], var_a, var_b, NULL, flags&STFL_PRESERVEA); return QCC_PR_StatementFlags(&pr_opcodes[OP_ADD_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_SUB_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_SUB_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_BITAND_FI: case OP_BITAND_FI:
numstatements--; numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0); var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
@ -3110,11 +3114,47 @@ QCC_def_t *QCC_PR_StatementFlags (QCC_opcode_t *op, QCC_def_t *var_a, QCC_def_t
numstatements--; numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0); var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_LT_F], var_a, var_b, NULL, flags&STFL_PRESERVEA); return QCC_PR_StatementFlags(&pr_opcodes[OP_LT_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_LE_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_LE_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_GT_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_GT_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_GE_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_GE_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_EQ_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_EQ_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_NE_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_NE_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_DIV_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_DIV_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_MUL_FI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_MUL_F], var_a, var_b, NULL, flags&STFL_PRESERVEA);
case OP_MUL_VI:
numstatements--;
var_b = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_b, NULL, NULL, (flags&STFL_PRESERVEB)?STFL_PRESERVEA:0);
return QCC_PR_StatementFlags(&pr_opcodes[OP_MUL_VF], var_a, var_b, NULL, flags&STFL_PRESERVEA);
//statements where the lhs is a const int and can be swapped with a float //statements where the lhs is a const int and can be swapped with a float
case OP_ADD_IF: case OP_ADD_IF:
numstatements--; numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA); var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_ADD_F], var_a, var_b, NULL, flags&STFL_PRESERVEB); return QCC_PR_StatementFlags(&pr_opcodes[OP_ADD_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_SUB_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_SUB_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_BITAND_IF: case OP_BITAND_IF:
numstatements--; numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA); var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
@ -3127,6 +3167,38 @@ QCC_def_t *QCC_PR_StatementFlags (QCC_opcode_t *op, QCC_def_t *var_a, QCC_def_t
numstatements--; numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA); var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_LT_F], var_a, var_b, NULL, flags&STFL_PRESERVEB); return QCC_PR_StatementFlags(&pr_opcodes[OP_LT_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_LE_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_LE_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_GT_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_GT_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_GE_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_GE_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_EQ_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_EQ_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_NE_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_NE_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_DIV_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_DIV_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_MUL_IF:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_MUL_F], var_a, var_b, NULL, flags&STFL_PRESERVEB);
case OP_MUL_IV:
numstatements--;
var_a = QCC_PR_StatementFlags(&pr_opcodes[OP_CONV_ITOF], var_a, NULL, NULL, flags&STFL_PRESERVEA);
return QCC_PR_StatementFlags(&pr_opcodes[OP_MUL_FV], var_a, var_b, NULL, flags&STFL_PRESERVEB);
default: default:
QCC_PR_ParseError(ERR_BADEXTENSION, "Opcode \"%s|%s\" not valid for target. Consider the use of: #pragma target fte\n", op->name, op->opname); QCC_PR_ParseError(ERR_BADEXTENSION, "Opcode \"%s|%s\" not valid for target. Consider the use of: #pragma target fte\n", op->name, op->opname);
@ -5447,6 +5519,14 @@ QCC_ref_t *QCC_PR_ParseRefArrayPointer (QCC_ref_t *retbuf, QCC_ref_t *r, pbool a
tmp = QCC_PR_Statement(&pr_opcodes[OP_MUL_I], tmp, QCC_MakeIntConst(t->size), NULL); tmp = QCC_PR_Statement(&pr_opcodes[OP_MUL_I], tmp, QCC_MakeIntConst(t->size), NULL);
} }
//legacy opcodes needs to stay using floats even if an int was specified
if (!QCC_OPCodeValid(&pr_opcodes[OP_ADD_I]))
{
if (idx)
idx = QCC_SupplyConversion(idx, ev_float, true);
tmp = QCC_SupplyConversion(tmp, ev_float, true);
}
/*calc the new index*/ /*calc the new index*/
if (idx && idx->type->type == ev_float && tmp->type->type == ev_float) if (idx && idx->type->type == ev_float && tmp->type->type == ev_float)
idx = QCC_PR_Statement(&pr_opcodes[OP_ADD_F], idx, QCC_SupplyConversion(tmp, ev_float, true), NULL); idx = QCC_PR_Statement(&pr_opcodes[OP_ADD_F], idx, QCC_SupplyConversion(tmp, ev_float, true), NULL);
@ -7076,10 +7156,16 @@ QCC_ref_t *QCC_PR_RefExpression (QCC_ref_t *retbuf, int priority, int exprflags)
} }
if (priority == FUNC_PRIORITY && QCC_PR_CheckToken ("?")) if (priority == FUNC_PRIORITY && QCC_PR_CheckToken ("?"))
{ {
//if we have no int types, force all ints to floats here, just to ensure that we don't end up with non-constant ints that we then can't cope with.
QCC_def_t *val, *r; QCC_def_t *val, *r;
QCC_statement_t *fromj, *elsej; QCC_statement_t *fromj, *elsej;
//FIXME: use the correct conditional
QCC_FreeTemp(QCC_PR_Statement(&pr_opcodes[OP_IFNOT_I], QCC_RefToDef(lhsr, true), NULL, &fromj)); QCC_FreeTemp(QCC_PR_Statement(&pr_opcodes[OP_IFNOT_I], QCC_RefToDef(lhsr, true), NULL, &fromj));
val = QCC_PR_Expression(TOP_PRIORITY, EXPR_DISALLOW_COMMA); val = QCC_PR_Expression(TOP_PRIORITY, EXPR_DISALLOW_COMMA);
if (val->type->type == ev_integer && !QCC_OPCodeValid(&pr_opcodes[OP_STORE_I]))
val = QCC_SupplyConversion(val, ev_float, true);
r = QCC_GetTemp(val->type); r = QCC_GetTemp(val->type);
QCC_FreeTemp(QCC_PR_StatementFlags(&pr_opcodes[(r->type->size>=3)?OP_STORE_V:OP_STORE_F], val, r, NULL, 0)); QCC_FreeTemp(QCC_PR_StatementFlags(&pr_opcodes[(r->type->size>=3)?OP_STORE_V:OP_STORE_F], val, r, NULL, 0));
//r can be stomped upon until its reused anyway //r can be stomped upon until its reused anyway
@ -7089,9 +7175,23 @@ QCC_ref_t *QCC_PR_RefExpression (QCC_ref_t *retbuf, int priority, int exprflags)
QCC_PR_Statement(&pr_opcodes[OP_GOTO], NULL, NULL, &elsej); QCC_PR_Statement(&pr_opcodes[OP_GOTO], NULL, NULL, &elsej);
fromj->b = &statements[numstatements] - fromj; fromj->b = &statements[numstatements] - fromj;
val = QCC_PR_Expression(TOP_PRIORITY, EXPR_DISALLOW_COMMA); val = QCC_PR_Expression(TOP_PRIORITY, EXPR_DISALLOW_COMMA);
if (val->type->type == ev_integer && !QCC_OPCodeValid(&pr_opcodes[OP_STORE_I]))
val = QCC_SupplyConversion(val, ev_float, true);
/* //cond?5:5.1 should be accepted
if ((val->type->type != val->type->type) &&
(val->type->type == ev_float || val->type->type == ev_integer) &&
(r->type->type == ev_float || r->type->type == ev_integer))
{
val = QCC_SupplyConversion(val, ev_float, true);
r = QCC_SupplyConversion(r, ev_float, true);
}
*/
if (typecmp(val->type, r->type) != 0) if (typecmp(val->type, r->type) != 0)
{
//if they're mixed int/float, cast to floats.
QCC_PR_ParseError(0, "Ternary operator with mismatching types\n"); QCC_PR_ParseError(0, "Ternary operator with mismatching types\n");
}
QCC_FreeTemp(QCC_PR_StatementFlags(&pr_opcodes[(r->type->size>=3)?OP_STORE_V:OP_STORE_F], val, r, NULL, 0)); QCC_FreeTemp(QCC_PR_StatementFlags(&pr_opcodes[(r->type->size>=3)?OP_STORE_V:OP_STORE_F], val, r, NULL, 0));
QCC_UnFreeTemp(r); QCC_UnFreeTemp(r);
@ -8056,8 +8156,10 @@ void QCC_PR_ParseStatement (void)
{ {
if (pr_casesdef[i]->type->type != e->type->type) if (pr_casesdef[i]->type->type != e->type->type)
{ {
if (e->type->type == ev_integer && pr_casesdef[i]->type->type == ev_float) if (pr_casesdef[i]->constant && e->type->type == ev_integer && pr_casesdef[i]->type->type == ev_float)
pr_casesdef[i] = QCC_MakeIntConst((int)qcc_pr_globals[pr_casesdef[i]->ofs]); pr_casesdef[i] = QCC_MakeIntConst((int)qcc_pr_globals[pr_casesdef[i]->ofs]);
else if (pr_casesdef[i]->constant && e->type->type == ev_float && pr_casesdef[i]->type->type == ev_integer)
pr_casesdef[i] = QCC_MakeFloatConst((int)qcc_pr_globals[pr_casesdef[i]->ofs]);
else else
QCC_PR_ParseWarning(WARN_SWITCHTYPEMISMATCH, "switch case type mismatch"); QCC_PR_ParseWarning(WARN_SWITCHTYPEMISMATCH, "switch case type mismatch");
} }
@ -10963,11 +11065,21 @@ void QCC_PR_ParseDefs (char *classname)
if (QCC_PR_CheckKeyword(keyword_enumflags, "enumflags")) if (QCC_PR_CheckKeyword(keyword_enumflags, "enumflags"))
{ {
int bits; int bits;
int type = ev_float;
if (QCC_PR_CheckKeyword(keyword_integer, "integer") || QCC_PR_CheckKeyword(keyword_int, "int")) if (QCC_PR_CheckKeyword(keyword_integer, "integer") || QCC_PR_CheckKeyword(keyword_int, "int"))
type = ev_integer;
else if (QCC_PR_CheckKeyword(keyword_float, "float"))
type = ev_float;
else
type = flag_assume_integer?ev_integer:ev_float;
QCC_PR_Expect("{");
if (type == ev_integer)
{ {
float fv = 0;
int iv = 1; int iv = 1;
QCC_PR_Expect("{");
i = 0; i = 0;
d = NULL; d = NULL;
while(1) while(1)
@ -10975,30 +11087,43 @@ void QCC_PR_ParseDefs (char *classname)
name = QCC_PR_ParseName(); name = QCC_PR_ParseName();
if (QCC_PR_CheckToken("=")) if (QCC_PR_CheckToken("="))
{ {
if (pr_token_type != tt_immediate && pr_immediate_type->type != ev_integer) if (pr_token_type == tt_immediate && pr_immediate_type->type == ev_float)
{
fv = pr_immediate._float;
iv = fv;
QCC_PR_Lex();
}
else if (pr_token_type == tt_immediate && pr_immediate_type->type == ev_integer)
{
iv = pr_immediate._int;
QCC_PR_Lex();
}
else
{ {
def = QCC_PR_GetDef(NULL, QCC_PR_ParseName(), NULL, false, 0, false); def = QCC_PR_GetDef(NULL, QCC_PR_ParseName(), NULL, false, 0, false);
if (def) if (def)
{ {
if (!def->constant) if (!def->constant)
QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - %s is not a constant", def->name); QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - %s is not a constant", def->name);
else else if (def->type->type == ev_float)
{
fv = G_FLOAT(def->ofs);
iv = fv;
}
else if (def->type->type == ev_integer)
iv = G_INT(def->ofs); iv = G_INT(def->ofs);
else
QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - %s is not numeric", def->name);
} }
else else
QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - not a number"); QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - not a number");
} }
else
{
iv = pr_immediate._int;
QCC_PR_Lex();
}
} }
bits = 0; bits = 0;
i = (int)iv; i = (int)iv;
if (i != iv) if (fv!=0 && i != (int)fv)
QCC_PR_ParseWarning(WARN_ENUMFLAGS_NOTINTEGER, "enumflags - %f not an integer", iv); QCC_PR_ParseWarning(WARN_ENUMFLAGS_NOTINTEGER, "enumflags - %g not an integer", fv);
else else
{ {
while(i) while(i)
@ -11024,9 +11149,6 @@ void QCC_PR_ParseDefs (char *classname)
else else
{ {
float fv = 1; float fv = 1;
QCC_PR_CheckKeyword(keyword_float, "float");
QCC_PR_Expect("{");
i = 0; i = 0;
d = NULL; d = NULL;
while(1) while(1)
@ -11034,30 +11156,39 @@ void QCC_PR_ParseDefs (char *classname)
name = QCC_PR_ParseName(); name = QCC_PR_ParseName();
if (QCC_PR_CheckToken("=")) if (QCC_PR_CheckToken("="))
{ {
if (pr_token_type != tt_immediate && pr_immediate_type->type != ev_float) if (pr_token_type == tt_immediate && pr_immediate_type->type == ev_float)
{
fv = pr_immediate._float;
QCC_PR_Lex();
}
else if (pr_token_type == tt_immediate && pr_immediate_type->type == ev_integer)
{
fv = pr_immediate._int;
QCC_PR_Lex();
}
else
{ {
def = QCC_PR_GetDef(NULL, QCC_PR_ParseName(), NULL, false, 0, false); def = QCC_PR_GetDef(NULL, QCC_PR_ParseName(), NULL, false, 0, false);
if (def) if (def)
{ {
if (!def->constant) if (!def->constant)
QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - %s is not a constant", def->name); QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - %s is not a constant", def->name);
else else if (def->type->type == ev_float)
fv = G_FLOAT(def->ofs); fv = G_FLOAT(def->ofs);
else if (def->type->type == ev_integer)
fv = G_INT(def->ofs);
else
QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - %s is not numeric", def->name);
} }
else else
QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - not a number"); QCC_PR_ParseError(ERR_NOTANUMBER, "enumflags - not a number");
} }
else
{
fv = pr_immediate._float;
QCC_PR_Lex();
}
} }
bits = 0; bits = 0;
i = (int)fv; i = (int)fv;
if (i != fv) if (i != fv)
QCC_PR_ParseWarning(WARN_ENUMFLAGS_NOTINTEGER, "enumflags - %f not an integer", fv); QCC_PR_ParseWarning(WARN_ENUMFLAGS_NOTINTEGER, "enumflags - %f not an integer value", fv);
else else
{ {
while(i) while(i)