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Overview
| Comment: | Work around a sign-extension bug in the optimizer on the HP C compiler that comes with HP/UX. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
46c36b1543d7a8156eaa866c67080526 |
| User & Date: | drh 2015-11-06 20:13:48 |
Context
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2015-11-06
| ||
| 20:22 | Avoid an unnecessary key comparison when doing an indexed lookup against an equality constraint. (check-in: d741e1cc user: drh tags: trunk) | |
| 20:13 | Work around a sign-extension bug in the optimizer on the HP C compiler that comes with HP/UX. (check-in: 46c36b15 user: drh tags: trunk) | |
| 20:04 | Test changes: Omit numindex1.test from valgrind, since valgrind uses a none-standard floating-point processor which gives inconsistent answers. Run one releasetest.tcl module using LONGDOUBLE_TYPE=double. (check-in: d421efbf user: drh tags: trunk) | |
| 17:28 | A proposed patch for working around a bug in the optimizer for the HP compiler found on HP/UX Itanium. (Closed-Leaf check-in: 8a171548 user: drh tags: hp-optimizer-fix) | |
Changes
Changes to src/vdbeaux.c.
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testcase( pMem->u.i<0 );
return 3;
}
case 4: { /* 4-byte signed integer */
/* EVIDENCE-OF: R-01849-26079 Value is a big-endian 32-bit
** twos-complement integer. */
pMem->u.i = FOUR_BYTE_INT(buf);
pMem->flags = MEM_Int;
testcase( pMem->u.i<0 );
return 4;
}
case 5: { /* 6-byte signed integer */
/* EVIDENCE-OF: R-50385-09674 Value is a big-endian 48-bit
** twos-complement integer. */
|
> > > > |
3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 |
testcase( pMem->u.i<0 );
return 3;
}
case 4: { /* 4-byte signed integer */
/* EVIDENCE-OF: R-01849-26079 Value is a big-endian 32-bit
** twos-complement integer. */
pMem->u.i = FOUR_BYTE_INT(buf);
#ifdef __HP_cc
/* Work around a sign-extension bug in the HP compiler for HP/UX */
if( buf[0]&0x80 ) pMem->u.i |= 0xffffffff80000000LL;
#endif
pMem->flags = MEM_Int;
testcase( pMem->u.i<0 );
return 4;
}
case 5: { /* 6-byte signed integer */
/* EVIDENCE-OF: R-50385-09674 Value is a big-endian 48-bit
** twos-complement integer. */
|