Messages in this thread Patch in this message | | | Date | Thu, 12 Aug 1999 11:10:47 +0200 | From | Paul Slootman <> | Subject | Re: ISDN 2.2.11 isdn_audio.c compile problem with gcc-2.95 |
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To: linux@billabong.demon.co.uk Subject: Re: ISDN 2.2.11 isdn_audio.c compile problem with gcc-2.95 X-Newsgroups: ahwau.linux-kernel In-Reply-To: <37B049F7.64CF9D9D@billabong.demon.co.uk> Organization: Albert Heijn Winkelautomatisering Cc: Bcc:
>Kernel 2.2.11, isdn_audio.c bombs out during compile with gcc-2.95 >in this way: > >gcc -D__KERNEL__ -I/usr/src/linux/include -Wall -Wstrict-prototypes >-O2 -fomit-frame-pointer -fno-strict-aliasing -pipe >-fno-strength-reduce -mpentium -malign-loops=2 -malign-jumps=2 >-malign-functions=2 -DCPU=586 -DMODULE -c -o isdn_audio.o >isdn_audio.c >isdn_audio.c: In function `isdn_audio_ulaw2alaw': >isdn_audio.c:292: Invalid `asm' statement: >isdn_audio.c:292: fixed or forbidden register 2 (cx) was spilled for >class CREG.
This was posted on the isdn4linux mailing list:
From: linux@locutus.mandrakesoft.de
diff -urN linux.old/drivers/isdn/isdn_audio.c linux/drivers/isdn/isdn_audio.c --- linux.old/drivers/isdn/isdn_audio.c Sun May 23 20:03:42 1999 +++ linux/drivers/isdn/isdn_audio.c Wed Aug 4 20:58:34 1999 @@ -269,16 +269,21 @@ };
#if ((CPU == 386) || (CPU == 486) || (CPU == 586)) + static inline void isdn_audio_tlookup(const void *table, void *buff, unsigned long n) { +/* Dummy variables for the gcc-2.95 compatibility */ +int __dummy_1,__dummy_2,__dummy_3,__dummy_4; + __asm__("cld\n" "1:\tlodsb\n\t" "xlatb\n\t" "stosb\n\t" "loop 1b\n\t" - : : "b"((long) table), "c"(n), "D"((long) buff), "S"((long) buff) - : "bx", "cx", "di", "si", "ax"); + : "=b" (__dummy_1), "=c" (__dummy_2), "=D" (__dummy_3), "=S" (__dummy_4)+ : "b"((long) table), "c"(n), "D"((long) buff), "S"((long) buff) + : "ax"); }
#else
Paul Slootman -- home: paul@wurtel.demon.nl http://www.wurtel.demon.nl/ debian: paul@debian.org isdn4linux: paul@isdn4linux.de work: paul@murphy.nl Murphy Software, Enschede, NL
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