[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[hubicka at gcc dot gnu dot org]

--- Comment #20 from hubicka at gcc dot gnu dot org  2005-10-31 18:45 
---
Patch comitted.  For some reason don't seem to appear in logs?


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hubicka at gcc dot gnu dot org changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution||FIXED


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928

[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[pinskia at gcc dot gnu dot org]

--- Comment #19 from pinskia at gcc dot gnu dot org  2005-10-31 17:16 
---
(In reply to comment #18)
> See comment #16 for a patch.
More than that, it has been posted:
http://gcc.gnu.org/ml/gcc-patches/2005-10/msg01792.html


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pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

URL||http://gcc.gnu.org/ml/gcc-
   ||patches/2005-
   ||10/msg01792.html


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928

[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[steven at gcc dot gnu dot org]

--- Comment #18 from steven at gcc dot gnu dot org  2005-10-31 17:14 ---
See comment #16 for a patch.


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steven at gcc dot gnu dot org changed:

   What|Removed |Added

   Keywords||patch


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928

[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[mmitchel at gcc dot gnu dot org]

--- Comment #17 from mmitchel at gcc dot gnu dot org  2005-10-31 03:06 
---
This prevents compiling a reasonably popular program; it's a showstopper.


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mmitchel at gcc dot gnu dot org changed:

   What|Removed |Added

   Priority|P2  |P1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928

[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[hubicka at gcc dot gnu dot org]

--- Comment #16 from hubicka at gcc dot gnu dot org  2005-10-30 18:00 
---
testing fix that should make legitimize_pic_address correctly decompose the
address. Similar to Steven's but I think it actually works ;)
Index: config/i386/i386.c
===
--- config/i386/i386.c  (revision 106026)
+++ config/i386/i386.c  (working copy)
@@ -6016,7 +6016,18 @@ legitimize_pic_address (rtx orig, rtx re
 }
   else
 {
-  if (GET_CODE (addr) == CONST)
+  if (GET_CODE (addr) == CONST_INT
+ && !x86_64_immediate_operand (addr, VOIDmode))
+   {
+ if (reg)
+   {
+ emit_move_insn (reg, addr);
+ new = reg;
+   }
+ else
+   new = force_reg (DImode, addr);
+   }
+  else if (GET_CODE (addr) == CONST)
{
  addr = XEXP (addr, 0);


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928

[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[pinskia at gcc dot gnu dot org]

--- Comment #15 from pinskia at gcc dot gnu dot org  2005-10-19 14:02 
---
*** Bug 24443 has been marked as a duplicate of this bug. ***


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pinskia at gcc dot gnu dot org changed:

   What|Removed |Added

 CC||dcb314 at hotmail dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928

[Bug target/20928] [4.0/4.1 regression] ICE: unrecognizable insns with -fPIC -O1

[pluto at agmk dot net]

--- Comment #14 from pluto at agmk dot net  2005-10-19 13:50 ---
(In reply to comment #13)
> The testcase in comment #8 still triggers an ICE if run with -O -mtune=k8
> -fPIC.
> 

it works with my patched gcc41:

(...)
.section.data.rel.ro,"aw",@progbits
.align 8
.LC1:   .quad   bar+2147483648
(...)
.text
foo:movq.LC1(%rip), %rdx
.L3:movq%rdx, (%rax)
addq$8, %rax
jne .L3
rep ; ret
(...)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20928