3 /* bug found by Eric Young (eay@mincom.oz.au) May 95 */
8 * This compiler bug it present on IRIX 5.3, 5.1 and 4.0.5 (these are the
9 * only versions of IRIX I have access to. defining FIXBUG removes the bug.
10 * (bug is still present in IRIX 6.3 according to Gage
11 * <agage@forgetmenot.Mines.EDU>
15 * Compare the output from
16 * cc sgiccbug.c; ./a.out
18 * cc -O sgiccbug.c; ./a.out
21 static unsigned long a[4] =
22 { 0x01234567, 0x89ABCDEF, 0xFEDCBA98, 0x76543210 };
23 static unsigned long b[4] =
24 { 0x89ABCDEF, 0xFEDCBA98, 0x76543210, 0x01234567 };
25 static unsigned long c[4] =
26 { 0x77777778, 0x8ACF1357, 0x88888888, 0x7530ECA9 };
32 fprintf(stderr, "input a= %08X %08X %08X %08X\n", a[3], a[2], a[1], a[0]);
33 fprintf(stderr, "input b= %08X %08X %08X %08X\n", b[3], b[2], b[1], b[0]);
34 fprintf(stderr, "output = %08X %08X %08X %08X\n", r[3], r[2], r[1], r[0]);
35 fprintf(stderr, "correct= %08X %08X %08X %08X\n", c[3], c[2], c[1], c[0]);
39 unsigned long *r, *a, *b;
41 register unsigned long t1, t2, *ap, *bp, *rp;
51 for (i = 0; i < 4; i++) {
58 *(rp++) = t1 & 0xffffffff;