Date: Sat, 6 Nov 1999 16:07:06 +1100 (EST) From: Bruce Evans <bde@zeta.org.au> To: "David O'Brien" <obrien@FreeBSD.ORG> Cc: current@FreeBSD.ORG Subject: Re: show stopper for Gcc 2.95.2 conversion Message-ID: <Pine.BSF.4.10.9911061555100.5557-100000@alphplex.bde.org> In-Reply-To: <19991105140415.A25486@dragon.nuxi.com>
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On Fri, 5 Nov 1999, David O'Brien wrote: > The current show stopper for switching over to GCC 2.95.2 is a problem > compiling the `ahc' driver: > > cc -c -O -pipe -Wall -Wredundant-decls -Wnested-externs > -Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Winline > -Wcast-qual -fformat-extensions -ansi -nostdinc -I- -I. -I../.. > -I../../../include -DKERNEL -include opt_global.h -elf > ../../dev/aic7xxx/aic7xxx.c > ../../dev/aic7xxx/aic7xxx.c: In function `ahc_download_instr': > machine/bus.h:584: Invalid `asm' statement: > machine/bus.h:584: fixed or forbidden register 2 (cx) was spilled for class CREG. > *** Error code 1 The asm statement is broken. The clobber list shouldn't include any registers that are explicitly allocated as operands. See rev.1.85 of <machine/cpufunc.h> where this bug was fixed for several functions that used to have it there. Many functions in <machine/bus.h> have the same bug. > The message is misleading, as the problematic header is > /sys/i386/include/bus.h not, /usr/include/machine/bus.h. It's actually machine/bus.h, where "machine" is the symlink to ../../i386/include in the compile directory. This is correct. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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