From owner-freebsd-current  Sun Feb 28 17:14:28 1999
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Date: Sun, 28 Feb 1999 20:09:19 -0500 (EST)
From: Tugrul <tugrul@ianai.BlackSun.org>
To: current@freebsd.org
Subject: Re: gcc
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On Mon, 1 Mar 1999, Peter Jeremy wrote:

> There's a catch-22 here:  We can't prove the stability of EGCS until we
> start using it.  Even if we don't make EGCS the base compiler, we need
> a standard documented mechanism for doing `make world' with EGCS as well
> as agreement that bug reports using ECGS will be considered.
> 

	I'd personally love an option for make world to use egcs installed
from the port tree. And perhaps a new mailing list just for throwing
random egcs complaints at. Right now I'm manually building the source
tree with egcs to see how I fair. Any failures I get from building thus
far are replicable with the built in gcc, so egcs doesn't seem to choke on
the code all too much.
	The kernel code is a slightly different matter. I get the
following errors:

[20:10]galatalt@callisto:/usr/src/sys/compile/CALLISTO# make CC=egcc -k
egcc -c -O3 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -ansi
-nostdinc -I- -I. -I../.. -I../../../include  -DKERNEL -DVM_STACK -include
opt_global.h -elf  ../../i386/i386/identcpu.c
../../i386/i386/identcpu.c: In function `printcpuinfo':
../../i386/i386/identcpu.c:558: warning: unknown conversion type character
`b' in format
../../i386/i386/identcpu.c:558: warning: too many arguments for format
../../i386/i386/identcpu.c: In function `print_AMD_info':
../../i386/i386/identcpu.c:902: internal error--insn does not satisfy its
constraints:
(insn:HI 278 454 279 (set (reg:SI 2 %ecx)
        (subreg:SI (lshiftrt:DI (reg:DI 1 %edx)
                (const_int 22)) 0)) 250 {lshrdi3_const_int_subreg} (nil)
    (expr_list:REG_DEAD (reg:SI 1 %edx)
        (nil)))
toplev.c:1431: Internal compiler error in function fatal_insn
*** Error code 1 (continuing)
egcc -c -O3 -Wall -Wredundant-decls -Wnested-externs -Wstrict-prototypes
-Wmissing-prototypes -Wpointer-arith -Winline -Wcast-qual  -ansi
-nostdinc -I- -I. -I../.. -I../../../include  -DKERNEL -DVM_STACK -include
opt_global.h -elf  ../../i386/i386/pmap.c
../../i386/i386/pmap.c: In function `pmap_setdevram':
../../i386/i386/pmap.c:555: internal error--insn does not satisfy its
constraints:
(insn:HI 107 330 109 (set (reg:SI 1 %edx)
        (subreg:SI (lshiftrt:DI (reg:DI 0 %eax)
                (const_int 12)) 0)) 250 {lshrdi3_const_int_subreg} (nil)
    (expr_list:REG_DEAD (reg:SI 0 %eax)
        (nil)))
toplev.c:1431: Internal compiler error in function fatal_insn
*** Error code 1 (continuing)
`kernel' not remade because of errors.
[20:10]galatalt@callisto:/usr/src/sys/compile/CALLISTO# 

	Fun fun fun :-)
	I built those two files with gcc and rebooted with the output.
Seemed fine.

	Tugrul Galatali




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