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From: "dushistov at mail dot ru" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/30695]  New: uint32_t -> uint16_t without warrnings
Date: Sat, 03 Feb 2007 17:40:00 -0000	[thread overview]
Message-ID: <bug-30695-13030@http.gcc.gnu.org/bugzilla/> (raw)

$cat gcc-wrap.c
#include <stdint.h>
#include <stdio.h>

int main()
{
        uint32_t a = 1 << 17;
        uint16_t b = a;
        printf("a: %u, b: %u\n", (unsigned)a, (unsigned)b);
        return 0;
}
$gcc -Wall -Wextra -Wconversion -pedantic gcc-wrap.c
no warrnings
$gcc --version
gcc (GCC) 4.1.1
for example:
$icc --version
iccbin (ICC) 9.1 20060706
$icc -Wall gcc-wrap.c 
gcc-wrap.c(7): remark #810: conversion from "uint32_t={unsigned int}" to
"uint16_t={unsigned short}" may lose significant bits
        uint16_t b = a;
                     ^


-- 
           Summary: uint32_t -> uint16_t without warrnings
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dushistov at mail dot ru


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=30695


             reply	other threads:[~2007-02-03 17:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-03 17:40 dushistov at mail dot ru [this message]
2007-02-03 20:42 ` [Bug c/30695] " pinskia at gcc dot gnu dot org
2007-02-03 21:16 ` dushistov at mail dot ru

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