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Mail Archives: djgpp-workers/1998/08/18/18:14:23

From: Martin Str|mberg <ams AT ludd DOT luth DOT se>
Message-Id: <199808182213.AAA18899@father.ludd.luth.se>
Subject: Re: Strange code generated by GCC
To: djgpp-workers AT delorie DOT com (DJGPP-WORKERS),
eliz AT is DOT elta DOT co DOT il (Eli Zaretskii)
Date: Wed, 19 Aug 1998 00:13:26 +0200 (MET DST)
MIME-Version: 1.0

FWIW, here's the results from my Linux system (Debian 1.3.something):

gcc1_no is compiled with no optimisation, gcc1_o1 with -O1 and gcc1_o2
with -O2. The reference to _control87 was #ifdefed out.

kant:/DOS/d/martin/djgpp> gcc -v
Reading specs from /usr/lib/gcc-lib/i486-linux/2.7.2.1/specs
gcc version 2.7.2.1
kant:/DOS/d/martin/djgpp> ./gcc1_no
SET_FLOAT_WORD: NaN, GET_FLOAT_WORD: 7fc00000
kant:/DOS/d/martin/djgpp> ./gcc1_o1
SET_FLOAT_WORD: NaN, GET_FLOAT_WORD: ffc00000
kant:/DOS/d/martin/djgpp> ./gcc1_o2
SET_FLOAT_WORD: NaN, GET_FLOAT_WORD: ffc00000


Pettersson, Symphony No. 5,

							MartinS

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