From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Jr7Cy-0006vq-2z for qemu-devel@nongnu.org; Wed, 30 Apr 2008 03:58:32 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Jr7Cu-0006v6-Oe for qemu-devel@nongnu.org; Wed, 30 Apr 2008 03:58:31 -0400 Received: from [199.232.76.173] (port=35617 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Jr7Cu-0006v3-L3 for qemu-devel@nongnu.org; Wed, 30 Apr 2008 03:58:28 -0400 Received: from wasp.net.au ([203.190.192.17]) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Jr7Ct-0001GZ-Rd for qemu-devel@nongnu.org; Wed, 30 Apr 2008 03:58:28 -0400 Message-ID: <48181AD9.1070604@wasp.net.au> Date: Wed, 30 Apr 2008 11:08:09 +0400 From: Brad Campbell MIME-Version: 1.0 Subject: Re: [Qemu-devel] Which compiler to use to compile current SVN References: <4815CC5E.6090108@wasp.net.au> <20080428194912.GE16597@networkno.de> In-Reply-To: <20080428194912.GE16597@networkno.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Thiemo Seufer wrote: >> gcc-3.4 -fomit-frame-pointer -I. -I.. >> -I/tracks/src/src/qemu.new/target-i386 -I/tracks/src/src/qemu.new -MMD >> -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 >> -D_LARGEFILE_SOURCE -I/tracks/src/src/qemu.new/tcg >> -I/tracks/src/src/qemu.new/tcg/i386 -I/tracks/src/src/qemu.new/fpu >> -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/tracks/src/src/qemu.new/slirp >> -march=pentium-mmx -Wall -O2 -g -fno-strict-aliasing -m32 -c -o helper.o > ^^^^^^^^^^^^^^^^^^ > > Too much optimization. IIRC a known problem, -march needs to be a pre-MMX > cpu. So I'd believed.. however, I've tried -march=[i386,i486,i586,i686,pentium,pentium-mmx] ... gcc-3.4 -I. -I.. -I/tracks/src/src/qemu.new/target-i386 -I/tracks/src/src/qemu.new -MMD -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/tracks/src/src/qemu.new/tcg -I/tracks/src/src/qemu.new/tcg/i386 -I/tracks/src/src/qemu.new/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/tracks/src/src/qemu.new/slirp -march=i386 -Wall -O2 -g -fno-strict-aliasing -m32 -c -o kqemu.o /tracks/src/src/qemu.new/kqemu.c gcc-3.4 -march=i386 -Wall -O2 -g -fno-strict-aliasing -fno-reorder-blocks -fno-gcse -fno-optimize-sibling-calls -fno-crossjumping -fno-align-labels -fno-align-jumps -fno-align-functions -mpreferred-stack-boundary=2 -fomit-frame-pointer -m32 -I. -I.. -I/tracks/src/src/qemu.new/target-i386 -I/tracks/src/src/qemu.new -MMD -MP -DNEED_CPU_H -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -I/tracks/src/src/qemu.new/tcg -I/tracks/src/src/qemu.new/tcg/i386 -I/tracks/src/src/qemu.new/fpu -DHAS_AUDIO -DHAS_AUDIO_CHOICE -I/tracks/src/src/qemu.new/slirp -c -o op.o /tracks/src/src/qemu.new/target-i386/op.c /tracks/src/src/qemu.new/target-i386/ops_sse.h: In function `op_pshufw_mmx': /tracks/src/src/qemu.new/target-i386/ops_sse.h:597: error: unable to find a register to spill in class `GENERAL_REGS' /tracks/src/src/qemu.new/target-i386/ops_sse.h:597: error: this is the insn: (insn:HI 18 17 19 0 /tracks/src/src/qemu.new/target-i386/ops_sse.h:592 (set (strict_low_part (subreg:HI (reg/v:DI 58 [ r ]) 0)) (mem/s/j:HI (plus:SI (mult:SI (reg:SI 62) (const_int 2 [0x2])) (reg/v/f:SI 60 [ s ])) [0 ._w S2 A16])) 54 {*movstricthi_1} (insn_list 16 (insn_list 12 (insn_list 50 (nil)))) (expr_list:REG_DEAD (reg:SI 62) (nil))) /tracks/src/src/qemu.new/target-i386/ops_sse.h:597: confused by earlier errors, bailing out make[1]: *** [op.o] Error 1 make[1]: Leaving directory `/tracks/src/src/qemu.new/i386-softmmu' make: *** [subdir-i386-softmmu] Error 2 brad@bklaptop2:/tracks/src/src/qemu.new$ cat build #!/bin/bash make clean CFLAGS=-march=i386 ./configure --target-list=i386-softmmu --enable-alsa make brad@bklaptop2:/tracks/src/src/qemu.new$ cat Makefile.target | grep march OP_CFLAGS := -march=i386 -Wall -O2 -g -fno-strict-aliasing How is _anybody_ compiling this source? Someone please give me a clue here... Brad -- "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so." -- Douglas Adams