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Fix some problems that resulted in assmebler messages 'Error: pcrel too far' 

Fix some problems that resulted in assmebler messages 'Error: pcrel too far'
	* sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
	(split_branches): Call init_insn_lengths.

From-SVN: r19339
This commit is contained in:
J"orn Rennecke 1998-04-20 10:59:18 +00:00 committed by Joern Rennecke
parent ced8dd8ccd
commit a07987797e
2 changed files with 20 additions and 4 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
(split_branches): Call init_insn_lengths.
Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
* i386.c: Include expr.h to get the change_address prototype

19
gcc/config/sh/sh.c
View File

@ -1983,17 +1983,24 @@ find_barrier (num_mova, mova, from)
{
if (num_mova)
num_mova--;
if (found_barrier == good_barrier)
if (barrier_align (next_real_insn (from)) == CACHE_LOG)
{
/* We have just passed the barrier in front front of the
ADDR_DIFF_VEC. Since the ADDR_DIFF_VEC is accessed
as data, just like our pool constants, this is a good
opportunity to accommodate what we have gathered so far.
ADDR_DIFF_VEC, which is stored in found_barrier. Since
the ADDR_DIFF_VEC is accessed as data, just like our pool
constants, this is a good opportunity to accommodate what
we have gathered so far.
If we waited any longer, we could end up at a barrier in
front of code, which gives worse cache usage for separated
instruction / data caches. */
good_barrier = found_barrier;
break;
}
else
{
rtx body = PATTERN (from);
inc = XVECLEN (body, 1) * GET_MODE_SIZE (GET_MODE (body));
}
}
if (found_si)
@ -3196,6 +3203,10 @@ split_branches (first)
delete_insn (far_branch_list->far_label);
far_branch_list = far_branch_list->prev;
}
/* Instruction length information is no longer valid due to the new
instructions that have been generated. */
init_insn_lengths ();
}
/* Dump out instruction addresses, which is useful for debugging the