bslathi19/cc65
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Overflow test optimization suggested by kugelfuhr

Browse Source 
User CHAR_BIT instead of 8
This commit is contained in:
bbbradsmith
2023-05-04 05:44:20 -04:00
parent b5f255f912
commit ca8201a314
1 changed files with 3 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/cc65/scanner.c
View File

@@ -590,19 +590,15 @@ static void NumericConst (void)
SB_Clear (&Src); SB_Clear (&Src);
break; break;
} }
if (((scan_t)(IVal * Base) / Base) != IVal) { if (((scan_t)(IVal * Base + DigitVal) / Base) != IVal) {
Overflow = 1; Overflow = 1;
} }
IVal = IVal * Base; IVal = IVal * Base + DigitVal;
if (((scan_t)(IVal + DigitVal)) < IVal) {
Overflow = 1;
}
IVal += DigitVal;
SB_Skip (&Src); SB_Skip (&Src);
} }
if (Overflow) { if (Overflow) {
Error ("Numerical constant \"%s\" too large for internal %d-bit representation", Error ("Numerical constant \"%s\" too large for internal %d-bit representation",
SB_GetConstBuf (&Src), (int)(sizeof(IVal)*8)); SB_GetConstBuf (&Src), (int)(sizeof(IVal)*CHAR_BIT));
} }
/* Distinguish between integer and floating point constants */ /* Distinguish between integer and floating point constants */