From: schwartz@bio.cse.psu.edu schwartz@bio.cse.psu.edu
Subject: [9fans] lmbench vs 8c
Date: Sat, 11 Jul 1998 04:29:50 -0400 [thread overview]
Message-ID: <19980711082950.Xnu48ESG7-ALBL8ri5BCjsA8YWtdN6QJrA5bL0SN2QY@z> (raw)
The latest version of Larry McVoy's lmbench exercises the compiler
in fun ways. Here's one:
% cat reg.c
void
doit(void)
{
register int *p;
int sum;
sum =
p[0]+p[1]+p[2]+p[3]+p[4]+p[5]+p[6]+p[7]+
p[8]+p[9]+p[10]+p[11]+p[12]+p[13]+p[14]+
p[15]+p[16]+p[17]+p[18]+p[19]+p[20]+p[21]+
p[22]+p[23]+p[24]+p[25]+p[26]+p[27]+p[28]+
p[29]+p[30]+p[31]+p[32]+p[33]+p[34]+p[35]+
p[36]+p[37]+p[38]+p[39]+p[40]+p[41]+p[42]+
p[43]+p[44]+p[45]+p[46]+p[47]+p[48]+p[49]+
p[50]+p[51]+p[52]+p[53]+p[54]+p[55]+p[56]+
p[57]+p[58]+p[59]+p[60]+p[61]+p[62]+p[63]+
p[64]+p[65]+p[66]+p[67]+p[68]+p[69]+p[70]+
p[71]+p[72]+p[73]+p[74]+p[75]+p[76]+p[77]+
p[78]+p[79]+p[80]+p[81]+p[82]+p[83]+p[84]+
p[85]+p[86]+p[87]+p[88]+p[89]+p[90]+p[91]+
p[92]+p[93]+p[94]+p[95]+p[96]+p[97]+p[98]+
p[99]+p[100]+p[101]+p[102]+p[103]+p[104]+
p[105]+p[106]+p[107]+p[108]+p[109]+p[110]+
p[111]+p[112]+p[113]+p[114]+p[115]+p[116]+
p[117]+p[118]+p[119]+p[120]+p[121]+p[122]+
p[123]+p[124]
/* ok so far */
+p[125] /* not ok */
/*
+p[126]+p[127]
*/
;
}
% 8c reg.c
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
reg.c:10 error in regfree: 8
too many errors
next reply other threads:[~1998-07-11 8:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-07-11 8:29 schwartz [this message]
1998-07-11 20:45 Brandon
1998-07-11 23:56 Scott
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