diff options
Diffstat (limited to 'asm/float.c')
| -rw-r--r-- | asm/float.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/asm/float.c b/asm/float.c index 6f26e678..54af63cb 100644 --- a/asm/float.c +++ b/asm/float.c @@ -232,6 +232,10 @@ static bool ieee_flconvert(const char *string, fp_limb *mant, *p++ = *string - '0'; } else { if (!warned) { + /*! + *!float-toolong [on] too many digits in floating-point number + *! warns about too many digits in floating-point numbers. + */ nasm_warnf(WARN_FLOAT_TOOLONG|ERR_PASS2, "floating-point constant significand contains " "more than %i digits", MANT_DIGITS); @@ -798,9 +802,8 @@ static int to_float(const char *str, int s, uint8_t *result, if (exponent >= 2 - expmax && exponent <= expmax) { type = FL_NORMAL; } else if (exponent > 0) { - if (pass0 == 1) - nasm_warnf(WARN_FLOAT_OVERFLOW|ERR_PASS2, - "overflow in floating-point constant"); + nasm_warnf(WARN_FLOAT_OVERFLOW|ERR_PASS2, + "overflow in floating-point constant"); type = FL_INFINITY; } else { /* underflow or denormal; the denormal code handles @@ -833,13 +836,22 @@ static int to_float(const char *str, int s, uint8_t *result, mant[0] |= exponent << (LIMB_BITS-1 - fmt->exponent); } else { if (daz || is_zero(mant)) { - /* Flush denormals to zero */ + /*! + *!float-underflow [off] floating point underflow + *! warns about floating point underflow (a nonzero + *! constant rounded to zero.) + */ nasm_warnf(WARN_FLOAT_UNDERFLOW|ERR_PASS2, "underflow in floating-point constant"); goto zero; - } else + } else { + /*! + *!float-denorm [off] floating point denormal + *! warns about denormal floating point constants. + */ nasm_warnf(WARN_FLOAT_DENORM|ERR_PASS2, "denormal floating-point constant"); + } } break; } @@ -853,8 +865,12 @@ static int to_float(const char *str, int s, uint8_t *result, ieee_shr(mant, 1); exponent++; if (exponent >= (expmax << 1)-1) { - nasm_warnf(WARN_FLOAT_OVERFLOW|ERR_PASS2, - "overflow in floating-point constant"); + /*! + *!float-overflow [on] floating point overflow + *! warns about floating point underflow. + */ + nasm_warnf(WARN_FLOAT_OVERFLOW|ERR_PASS2, + "overflow in floating-point constant"); type = FL_INFINITY; goto overflow; } |