From: "Alexei A. Frounze" Newsgroups: comp.os.msdos.djgpp Subject: Re: Q: operand size - FPU instructios Date: Sat, 25 Mar 2000 12:19:17 +0300 Organization: MTU-Intel ISP Lines: 27 Message-ID: <38DC8495.645D7DB1@mtu-net.ru> References: <38DA73F1 DOT FB5C375B AT mtu-net DOT ru> <200003241737 DOT WAA00845 AT midpec DOT com> <38DBC680 DOT 3B37E90F AT mtu-net DOT ru> <8bgmoj$502uu$2 AT fu-berlin DOT de> NNTP-Posting-Host: ppp107-213.dialup.mtu-net.ru Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Trace: gavrilo.mtu.ru 953978550 21097 212.188.107.213 (25 Mar 2000 10:02:30 GMT) X-Complaints-To: usenet-abuse AT mtu DOT ru NNTP-Posting-Date: 25 Mar 2000 10:02:30 GMT X-Mailer: Mozilla 4.61 [en] (Win95; I) X-Accept-Language: en,ru To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com Thanks. FLDS and FLDL work. As for FLDT, I should check it out. Seems I tried it but not succeded. Anyway thanks. Alexei A. Frounze Dieter Buerssner wrote: > > Alexei A. Frounze wrote: > > >But appending these suffixes to FPU instructions, I get error messages > >like "invalid instruction" or something like that. I.e. AS doesn't > >recognize FILDW (for 16-bit integer), FLDQ (floating point double), FLDT > >(floating point extended - FPU internal 10-byte format). > > From the manual of as (info as): > > * Floating point constructors are `.float' or `.single', `.double', > and `.tfloat' for 32-, 64-, and 80-bit formats. These correspond > to instruction mnemonic suffixes `s', `l', and `t'. `t' stands for > 80-bit (ten byte) real. [...]