diff options
Diffstat (limited to 'pp.c')
-rw-r--r-- | pp.c | 27 |
1 files changed, 21 insertions, 6 deletions
@@ -2433,9 +2433,12 @@ PP(pp_i_divide) if (value == 0) DIE(aTHX_ "Illegal division by zero"); num = POPi; - if (num == IV_MIN && value == -1) - DIE(aTHX_ "Integer overflow in division"); - value = num / value; + + /* avoid FPE_INTOVF on some platforms when num is IV_MIN */ + if (value == -1) + value = - num; + else + value = num / value; PUSHi( value ); RETURN; } @@ -2450,7 +2453,11 @@ PP(pp_i_modulo_0) dPOPTOPiirl; if (!right) DIE(aTHX_ "Illegal modulus zero"); - SETi( left % right ); + /* avoid FPE_INTOVF on some platforms when left is IV_MIN */ + if (right == -1) + SETi( 0 ); + else + SETi( left % right ); RETURN; } } @@ -2467,7 +2474,11 @@ PP(pp_i_modulo_1) dPOPTOPiirl; if (!right) DIE(aTHX_ "Illegal modulus zero"); - SETi( left % PERL_ABS(right) ); + /* avoid FPE_INTOVF on some platforms when left is IV_MIN */ + if (right == -1) + SETi( 0 ); + else + SETi( left % PERL_ABS(right) ); RETURN; } } @@ -2508,7 +2519,11 @@ PP(pp_i_modulo) } } #endif - SETi( left % right ); + /* avoid FPE_INTOVF on some platforms when left is IV_MIN */ + if (right == -1) + SETi( 0 ); + else + SETi( left % right ); RETURN; } } |