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and subject line Bug#212902: gcc-3.3: gcc generates illegal intermediate
assembly file: invalid character '=' in operand 1
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From: Alex Tsariounov <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: gcc-3.3: gcc generates illegal intermediate assembly file: invalid
character
'=' in operand 1
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Package: gcc-3.3
Version: 1:3.3.2-0pre4
Severity: normal
When compiling the attached code on i386, the compilers seems to
generate an illegal intermediate assembly file that fails to assemble
with following messages:
[type2:lttk]$ gcc -o syscall_time syscall_time.c
/tmp/cc3VnwUh.s: Assembler messages:
/tmp/cc3VnwUh.s:118: Error: invalid character '=' in operand 1
/tmp/cc3VnwUh.s:126: Error: invalid character '=' in operand 1
/tmp/cc3VnwUh.s:201: Error: invalid character '=' in operand 1
/tmp/cc3VnwUh.s:211: Error: invalid character '=' in operand 1
/tmp/cc3VnwUh.s:293: Error: invalid character '=' in operand 1
/tmp/cc3VnwUh.s:303: Error: invalid character '=' in operand 1
[type2:lttk]$
Thanks,
Alex Tsariounov
-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux type2 2.4.21-4-686-smp #1 SMP Sun Aug 3 00:31:17 EST 2003 i686
Locale: LANG=C, LC_CTYPE=C
Versions of packages gcc-3.3 depends on:
ii binutils 2.14.90.0.6-3 The GNU assembler, linker and bina
ii cpp-3.3 1:3.3.2-0pre4 The GNU C preprocessor
ii gcc-3.3-base 1:3.3.2-0pre4 The GNU Compiler Collection (base
ii libc6 2.3.2-8 GNU C Library: Shared libraries an
ii libgcc1 1:3.3.2-0pre4 GCC support library
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--===============0968378473==
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#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#define mTICKNOW(T) __asm__ __volatile__("mov %0=ar.itc" : "=r"(T) :: "memory");
int
main(int argc, char *argv[])
{
unsigned long ii, jj, times, groups;
long diff;
double realtotal;
unsigned long tick1, tick2, total;
struct timeval tv;
int fh;
char buf[4096];
double mhz;
FILE *fp;
if (argc>1)
times = atoi(argv[1]);
else
times = 100;
if (argc>2)
groups = atoi(argv[2]);
else
groups = 3;
/* Get processor speed from /proc/cpuinfo */
fp=fopen("/proc/cpuinfo", "r");
if (!fp) exit(1);
while (fgets(buf, 80, fp)) {
if (strstr(buf, "cpu MHz")) {
jj= sscanf(buf, "cpu MHz : %lf", &mhz);
if (jj != 1) exit(1);
break;
}
}
if (jj!=1) exit(1);
/*
* gettimeofday() syscall
*/
realtotal = 0.0;
total = 0;
for (jj=0; jj<groups; jj++) {
for (ii=0; ii<times; ii++) {
mTICKNOW(tick1);
gettimeofday(&tv, 0);
mTICKNOW(tick2);
total += (tick2 - tick1);
}
realtotal += ((double)total / times);
total = 0;
usleep(1000);
}
printf("Average call to gettimeofday(%d) lasts: %lf us\n",
ii*groups, (realtotal/groups)/mhz);
/*
* read() syscall
*/
realtotal = 0.0;
total = 0;
fh = open(argv[0], O_RDONLY);
for (jj=0; jj<groups; jj++) {
for (ii=0; ii<times; ii++) {
mTICKNOW(tick1);
read(fh, buf, 4096);
mTICKNOW(tick2);
total += (tick2 - tick1);
lseek(fh, 0, SEEK_SET);
}
realtotal += ((double)total / times);
total = 0;
usleep(1000);
}
close(fh);
printf("Average call to read(%d) lasts: %lf us\n",
ii*groups, (realtotal/groups)/mhz);
/*
* write() syscall (at end of syscall table)
*/
realtotal = 0.0;
total = 0;
fh = open("/tmp/xxx_tmp_syscall_test_xxx", (O_CREAT|O_RDWR), 0644);
for (jj=0; jj<groups; jj++) {
for (ii=0; ii<times; ii++) {
mTICKNOW(tick1);
write(fh, buf, 4096);
mTICKNOW(tick2);
total += (tick2 - tick1);
lseek(fh, 0, SEEK_SET);
}
realtotal += ((double)total / times);
total = 0;
usleep(1000);
}
close(fh);
printf("Average call to write(%d) lasts: %lf us\n",
ii*groups, (realtotal/groups)/mhz);
}
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To: [EMAIL PROTECTED]
Subject: Re: Bug#212902: gcc-3.3: gcc generates illegal intermediate assembly
file: invalid character '=' in operand 1
References: <[EMAIL PROTECTED]>
<[EMAIL PROTECTED]>
<[EMAIL PROTECTED]>
From: Falk Hueffner <[EMAIL PROTECTED]>
Date: 26 Sep 2003 21:41:59 +0200
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Closing on request of submitter.
--
Falk
