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2005-05-17 H.J. Lu <hongjiu.lu@intel.com>

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* elfxx-ia64.c (elfNN_ia64_relax_brl): Undo the change made on
	2005-02-16.
This commit is contained in:
H.J. Lu 2005-05-17 17:26:27 +00:00
parent 5e27d42770
commit fc3ab69909
2 changed files with 24 additions and 25 deletions
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5
bfd/ChangeLog
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@ -1,3 +1,8 @@
2005-05-17 H.J. Lu <hongjiu.lu@intel.com>
* elfxx-ia64.c (elfNN_ia64_relax_brl): Undo the change made on
2005-02-16.
2005-05-17 H.J. Lu <hongjiu.lu@intel.com>
* elfxx-ia64.c (elfNN_ia64_relax_br): Keep the original

44
bfd/elfxx-ia64.c
View File

@ -822,39 +822,33 @@ elfNN_ia64_relax_br (bfd_byte *contents, bfd_vma off)
static void
elfNN_ia64_relax_brl (bfd_byte *contents, bfd_vma off)
{
unsigned int template, t0, t1, t2, t3;
int template;
bfd_byte *hit_addr;
bfd_vma t0, t1, i0, i1, i2;
hit_addr = (bfd_byte *) (contents + off);
hit_addr -= (long) hit_addr & 0x3;
t0 = bfd_getl32 (hit_addr + 0);
t1 = bfd_getl32 (hit_addr + 4);
t2 = bfd_getl32 (hit_addr + 8);
t3 = bfd_getl32 (hit_addr + 12);
t0 = bfd_getl64 (hit_addr);
t1 = bfd_getl64 (hit_addr + 8);
/* Keep the instruction in slot 0. */
i0 = (t0 >> 5) & 0x1ffffffffffLL;
/* Use nop.b for slot 1. */
i1 = 0x4000000000LL;
/* For slot 2, turn brl into br by masking out bit 40. */
i2 = (t1 >> 23) & 0x0ffffffffffLL;
/* Turn a MLX bundle into a MBB bundle with the same stop-bit
variety. */
template = 0x12;
if ((t0 & 0x1f) == 5)
template += 1;
if (t0 & 0x1)
template = 0x13;
else
template = 0x12;
t0 = (i1 << 46) | (i0 << 5) | template;
t1 = (i2 << 23) | (i1 >> 18);
/* Keep the instruction in slot 0. */
t0 &= 0xffffffe0;
t1 &= 0x3fff;
t0 |= template;
/* For slot 2, turn brl into br by masking out bit 40. */
t2 &= 0xff800000;
t3 &= 0x7fffffff;
/* Use nop.b for slot 1. */
t2 |= 0x100000;
bfd_putl32 (t0, hit_addr);
bfd_putl32 (t1, hit_addr + 4);
bfd_putl32 (t2, hit_addr + 8);
bfd_putl32 (t3, hit_addr + 12);
bfd_putl64 (t0, hit_addr);
bfd_putl64 (t1, hit_addr + 8);
}
/* These functions do relaxation for IA-64 ELF. */