From: Danny Milosavljevic <dannym@scratchpost.org>
To: Jan Nieuwenhuizen <janneke@gnu.org>
Cc: gcc-help@gcc.gnu.org, guix-devel@gnu.org
Subject: Re: gcc-4.7.4: libgcc2.h:157: error: unable to emulate 'TF'
Date: Tue, 10 Jul 2018 17:54:25 +0200 [thread overview]
Message-ID: <20180710175425.75df9d04@scratchpost.org> (raw)
In-Reply-To: <87sh4sny8j.fsf@gnu.org>
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Hi Janneke,
On Mon, 09 Jul 2018 18:57:16 +0200
Jan Nieuwenhuizen <janneke@gnu.org> wrote:
> i386-unknown-linux-gcc --sysroot=/gnu/store/jdjpfzjr2zf3xbf7ssl11ljwpq7spid8-glibc-mesboot-2.3.6/include -g -O2 -O2 -g -O2 -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fpic -g -DIN_LIBGCC2 -fno-stack-protector -fpic -I. -I. -I../../host-i386-unknown-linux/gcc -I../.././libgcc -I../.././libgcc/. -I../.././libgcc/../gcc -I../.././libgcc/../include -DHAVE_CC_TLS -DUSE_TLS -o _muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c ../.././libgcc/libgcc2.c
> In file included from ../.././libgcc/libgcc2.c:58:
> ../.././libgcc/libgcc2.h:157: error: unable to emulate 'TF'
> ../.././libgcc/libgcc2.h:158: error: unable to emulate 'TC'
> ../.././libgcc/libgcc2.h:161: error: unknown machine mode 'libgcc_cmp_return'
> ../.././libgcc/libgcc2.h:162: error: unknown machine mode 'libgcc_shift_count'
> ../.././libgcc/libgcc2.h:372: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__muldi3'
> ../.././libgcc/libgcc2.h:373: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__divdi3'
> ../.././libgcc/libgcc2.h:374: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__udivdi3'
> ../.././libgcc/libgcc2.h:375: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__umoddi3'
> ../.././libgcc/libgcc2.h:376: error: expected '=', ',', ';', 'asm' or '__attribute__' before '__moddi3'
> ...
>
> Gcc-4.7.4 advertises it can be built with gcc-2.95 and binutils-2.13.1
> and glibc-2.2.5.
https://gcc.gnu.org/onlinedocs/gccint/Machine-Modes.html
TFmode is for 128 bit floats.
https://gcc.gnu.org/ml/gcc-patches/2008-06/msg01747.html
https://gcc.gnu.org/onlinedocs/gcc-4.8.5/gccint/Type-Layout.html
The softfp emulation is in libgcc.
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prev parent reply other threads:[~2018-07-10 15:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-09 16:57 gcc-4.7.4: libgcc2.h:157: error: unable to emulate 'TF' Jan Nieuwenhuizen
2018-07-09 18:28 ` U.Mutlu
2018-07-09 19:40 ` Jan Nieuwenhuizen
2018-07-10 3:52 ` U.Mutlu
2018-07-10 7:31 ` Gábor Boskovits
2018-07-10 15:07 ` Jan Nieuwenhuizen
2018-07-10 19:51 ` Jan Nieuwenhuizen
2018-07-10 20:19 ` Jonathan Wakely
[not found] ` <5B452C86.6090003@mutluit.com>
2018-07-11 17:01 ` SOLVED: " Jan Nieuwenhuizen
2018-07-11 18:06 ` U.Mutlu
2018-07-11 19:23 ` Jan Nieuwenhuizen
2018-07-10 15:02 ` Jan Nieuwenhuizen
2018-07-10 15:54 ` Danny Milosavljevic [this message]
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