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| author | J"orn Rennecke <amylaar@cygnus.co.uk> | 1998-04-20 10:59:18 +0000 |
|---|---|---|
| committer | Joern Rennecke <amylaar@gcc.gnu.org> | 1998-04-20 11:59:18 +0100 |
| commit | a07987797e2c65810e5cde19b964cca1897e3288 (patch) | |
| tree | b5f1d20c1d6e150a06c48f2802cdff989730be3d /gcc | |
| parent | ced8dd8ccde9e294e7975e1d7c79e946d26f9b1d (diff) | |
| download | gcc-a07987797e2c65810e5cde19b964cca1897e3288.zip gcc-a07987797e2c65810e5cde19b964cca1897e3288.tar.gz gcc-a07987797e2c65810e5cde19b964cca1897e3288.tar.bz2 | |
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
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 19 |
2 files changed, 20 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7ab8d1b..bb39297 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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 diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index a23990e..0c42313 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -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 |