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| author | Kaz Kojima <kkojima@gcc.gnu.org> | 2010-04-22 22:02:55 +0000 |
|---|---|---|
| committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2010-04-22 22:02:55 +0000 |
| commit | fc9c984d84576bf2024f914e62578bbbe84a19ba (patch) | |
| tree | ef66a240acfd5b2060476084edf5a82e83440f13 /gcc | |
| parent | d5dceab84ca90088c65a64c15dce862ffb75f378 (diff) | |
| download | gcc-fc9c984d84576bf2024f914e62578bbbe84a19ba.zip gcc-fc9c984d84576bf2024f914e62578bbbe84a19ba.tar.gz gcc-fc9c984d84576bf2024f914e62578bbbe84a19ba.tar.bz2 | |
re PR target/43744 (SH: Error: pcrel too far)
PR target/43744
* config/sh/sh.c (find_barrier): Don't emit a constant pool
in the middle of insns for casesi_worker_2.
From-SVN: r158655
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.c | 17 |
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3d3aac0..3d8c5b0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/43744 + * config/sh/sh.c (find_barrier): Don't emit a constant pool + in the middle of insns for casesi_worker_2. + 2010-04-22 David Edelsohn <edelsohn@gnu.org> * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS. diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c index 04b98c1..a3084b9 100644 --- a/gcc/config/sh/sh.c +++ b/gcc/config/sh/sh.c @@ -4410,6 +4410,7 @@ find_barrier (int num_mova, rtx mova, rtx from) int hi_limit; rtx orig = from; rtx last_got = NULL_RTX; + rtx last_symoff = NULL_RTX; /* For HImode: range is 510, add 4 because pc counts from address of second instruction after this one, subtract 2 for the jump instruction @@ -4551,6 +4552,16 @@ find_barrier (int num_mova, rtx mova, rtx from) { switch (untangle_mova (&num_mova, &mova, from)) { + case 1: + if (flag_pic) + { + rtx src = SET_SRC (PATTERN (from)); + if (GET_CODE (src) == CONST + && GET_CODE (XEXP (src, 0)) == UNSPEC + && XINT (XEXP (src, 0), 1) == UNSPEC_SYMOFF) + last_symoff = from; + } + break; case 0: return find_barrier (0, 0, mova); case 2: { @@ -4654,6 +4665,12 @@ find_barrier (int num_mova, rtx mova, rtx from) so we'll make one. */ rtx label = gen_label_rtx (); + /* Don't emit a constant table in the middle of insns for + casesi_worker_2. This is a bit overkill but is enough + because casesi_worker_2 wouldn't appear so frequently. */ + if (last_symoff) + from = last_symoff; + /* If we exceeded the range, then we must back up over the last instruction we looked at. Otherwise, we just need to undo the NEXT_INSN at the end of the loop. */ |