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Re: [avr-gcc-list] AVR Libc int32_t and uint32_t typedefs are incorrect


From: Georg-Johann Lay
Subject: Re: [avr-gcc-list] AVR Libc int32_t and uint32_t typedefs are incorrect
Date: Wed, 11 Jan 2012 19:22:52 +0100
User-agent: Mozilla Thunderbird 1.0.7 (Windows/20050923)

Joerg Wunsch schrieb:
As Georg-Johann Lay wrote:

As fas as I know the only reason why avr-libc used mode attribute is to factor out impact of -mint8, ...


No, our previous definitions were -mint8 clean, AFAICT.  It just
looked more elegant to use GCC's mode attributes to ensure certain bit
widths, so when someone was proposing that change, we accepted it.

If avr-libc does not want to factor out -mint8 then it is even simplen: just

typedef signed long int32_t;

There's absolutely no rationale for using mode attribute as sizeof(long) is defined by the implementation and won't change at will.

Johann




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