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Fixed codegen with addresses as boolean test conditions.

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Fixed warning on unreachable code of if body.
This commit is contained in:
acqn
2021-03-13 14:25:51 +08:00
committed by Oliver Schmidt
parent bbfc24770e
commit f8835d2867
2 changed files with 9 additions and 4 deletions
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9
src/cc65/testexpr.c
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@@ -70,7 +70,7 @@ unsigned Test (unsigned Label, int Invert)
DoDeferred (SQP_KEEP_NONE, &Expr); DoDeferred (SQP_KEEP_NONE, &Expr);
/* Result is constant, so we know the outcome */ /* Result is constant, so we know the outcome */
Result = (Expr.IVal != 0); Result = (Expr.IVal != 0) ? TESTEXPR_TRUE : TESTEXPR_FALSE;
/* Constant rvalue */ /* Constant rvalue */
if (!Invert && Expr.IVal == 0) { if (!Invert && Expr.IVal == 0) {
@@ -86,7 +86,12 @@ unsigned Test (unsigned Label, int Invert)
DoDeferred (SQP_KEEP_NONE, &Expr); DoDeferred (SQP_KEEP_NONE, &Expr);
/* Object addresses are non-NULL */ /* Object addresses are non-NULL */
Result = 1; Result = TESTEXPR_TRUE;
/* Condition is always true */
if (Invert) {
g_jump (Label);
}
} else { } else {

4
src/cc65/testexpr.h
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@@ -44,9 +44,9 @@
#define TESTEXPR_UNKNOWN 0 /* Result of expression unknown */ #define TESTEXPR_UNKNOWN -1 /* Result of expression unknown */
#define TESTEXPR_TRUE 1 /* Expression yields true */ #define TESTEXPR_TRUE 1 /* Expression yields true */
#define TESTEXPR_FALSE 2 /* Expression yields false */ #define TESTEXPR_FALSE 0 /* Expression yields false */