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* [Bug rtl-optimization/31552]  New: -fcall-used-vXX turns into ICE
@ 2007-04-12 16:59 gcc at breakpoint dot cc
  2007-04-12 17:02 ` [Bug rtl-optimization/31552] " gcc at breakpoint dot cc
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: gcc at breakpoint dot cc @ 2007-04-12 16:59 UTC (permalink / raw)
  To: gcc-bugs

If gcc runs out of volatile VMX registers, he is going to save the non volatile
registers. This fails if one of them is defined in -fcall-used-vXX (test case
attaced)


-- 
           Summary: -fcall-used-vXX turns into ICE
           Product: gcc
           Version: 4.1.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: gcc at breakpoint dot cc
 GCC build triplet: powerpc-unknown-linux-gnu
  GCC host triplet: powerpc-unknown-linux-gnu
GCC target triplet: powerpc-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31552


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug rtl-optimization/31552] -fcall-used-vXX turns into ICE
  2007-04-12 16:59 [Bug rtl-optimization/31552] New: -fcall-used-vXX turns into ICE gcc at breakpoint dot cc
@ 2007-04-12 17:02 ` gcc at breakpoint dot cc
  2007-04-12 17:04 ` gcc at breakpoint dot cc
                   ` (3 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: gcc at breakpoint dot cc @ 2007-04-12 17:02 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #1 from gcc at breakpoint dot cc  2007-04-12 18:02 -------
Created an attachment (id=13357)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13357&action=view)
test case for the "internal compiler error: in propagate_one_insn, at
flow.c:1699"

Reults ins:
powerpc64-unknown-linux-gnu-gcc -Wall -maltivec -Os -mabi=altivec
-fcall-used-v20 -o altivec_prolog.o altivec_prolog.c -c
altivec_prolog.c: In function 'f2':
altivec_prolog.c:64: error: Attempt to delete prologue/epilogue insn:
(insn 231 230 232 2 (set (reg:V4SI 97 20)
        (mem:V4SI (plus:DI (reg/f:DI 1 1)
                (reg:DI 0 0)) [1 S16 A8])) -1 (nil)
    (nil))
altivec_prolog.c:64: internal compiler error: in propagate_one_insn, at
flow.c:1699
Please submit a full bug report,
with preprocessed source if appropriate.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31552


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug rtl-optimization/31552] -fcall-used-vXX turns into ICE
  2007-04-12 16:59 [Bug rtl-optimization/31552] New: -fcall-used-vXX turns into ICE gcc at breakpoint dot cc
  2007-04-12 17:02 ` [Bug rtl-optimization/31552] " gcc at breakpoint dot cc
@ 2007-04-12 17:04 ` gcc at breakpoint dot cc
  2007-04-14 23:56 ` [Bug target/31552] " pinskia at gcc dot gnu dot org
                   ` (2 subsequent siblings)
  4 siblings, 0 replies; 6+ messages in thread
From: gcc at breakpoint dot cc @ 2007-04-12 17:04 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #2 from gcc at breakpoint dot cc  2007-04-12 18:04 -------
Created an attachment (id=13358)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13358&action=view)
Preprocessed source


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31552


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/31552] -fcall-used-vXX turns into ICE
  2007-04-12 16:59 [Bug rtl-optimization/31552] New: -fcall-used-vXX turns into ICE gcc at breakpoint dot cc
  2007-04-12 17:02 ` [Bug rtl-optimization/31552] " gcc at breakpoint dot cc
  2007-04-12 17:04 ` gcc at breakpoint dot cc
@ 2007-04-14 23:56 ` pinskia at gcc dot gnu dot org
  2007-07-26  1:17 ` dtemirbulatov at gmail dot com
  2007-07-26  1:23 ` pinskia at gcc dot gnu dot org
  4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2007-04-14 23:56 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #3 from pinskia at gcc dot gnu dot org  2007-04-15 00:56 -------
Confirmed, reduced testcase:
static const __attribute__((altivec(vector__))) unsigned char array[16];
static __attribute__((altivec(vector__))) unsigned char
f1(__attribute__((altivec(vector__))) unsigned char in)
{
 __attribute__((altivec(vector__))) unsigned char v1, v2, v3, v4, v5, v6, v7,
v8;
 __attribute__((altivec(vector__))) unsigned char v0, v9, v10, v12, v13, v14,
v15;
 __attribute__((altivec(vector__))) unsigned char v16, v17, v20, v18, v19;
 v3 = __builtin_vec_perm(array[4], array[5], in);
 v4 = __builtin_vec_perm(array[6], array[7], in);
 v5 = __builtin_vec_perm(array[8], array[9], in);
 v6 = __builtin_vec_perm(array[10], array[11], in);
 v7 = __builtin_vec_perm(array[12], array[13], in);
 v8 = __builtin_vec_perm(array[14], array[15], in);
 v13 = __builtin_vec_sel(v3, v4, v0);
 v14 = __builtin_vec_sel(v5, v6, v0);
 v15 = __builtin_vec_sel(v7, v8, v0);
 v19 = __builtin_vec_vslb(in, ((__attribute__((altivec(vector__))) unsigned
char) __builtin_altivec_vspltisb (((1)))));
 v9 = (__attribute__((altivec(vector__))) unsigned
char)__builtin_vec_vcmpgtub(v19, array[2]);
 v16 = __builtin_vec_sel(v12, v13, v9);
 v17 = __builtin_vec_sel(v14, v15, v9);
 v20 = __builtin_vec_sel(v16, v17, v10);
 return v20;
}
int f2(__attribute__((altivec(vector__))) unsigned char av[15])
{
 unsigned __attribute__((altivec(vector__))) char tmp;
 unsigned int i;
 for (i=0; i< 20; i++)
  {
  tmp = f1(tmp);
  av[i] = tmp;
 }
}


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever Confirmed|0                           |1
  GCC build triplet|powerpc-unknown-linux-gnu   |
   GCC host triplet|powerpc-unknown-linux-gnu   |
 GCC target triplet|powerpc-unknown-linux-gnu   |powerpc*-linux-gnu
           Keywords|                            |ice-on-valid-code
      Known to fail|                            |4.3.0
   Last reconfirmed|0000-00-00 00:00:00         |2007-04-15 00:56:25
               date|                            |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31552


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/31552] -fcall-used-vXX turns into ICE
  2007-04-12 16:59 [Bug rtl-optimization/31552] New: -fcall-used-vXX turns into ICE gcc at breakpoint dot cc
                   ` (2 preceding siblings ...)
  2007-04-14 23:56 ` [Bug target/31552] " pinskia at gcc dot gnu dot org
@ 2007-07-26  1:17 ` dtemirbulatov at gmail dot com
  2007-07-26  1:23 ` pinskia at gcc dot gnu dot org
  4 siblings, 0 replies; 6+ messages in thread
From: dtemirbulatov at gmail dot com @ 2007-07-26  1:17 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #4 from dtemirbulatov at gmail dot com  2007-07-26 01:16 -------
this issue could not be reproduced on the mainline after dataflow-branch merge 


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31552


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [Bug target/31552] -fcall-used-vXX turns into ICE
  2007-04-12 16:59 [Bug rtl-optimization/31552] New: -fcall-used-vXX turns into ICE gcc at breakpoint dot cc
                   ` (3 preceding siblings ...)
  2007-07-26  1:17 ` dtemirbulatov at gmail dot com
@ 2007-07-26  1:23 ` pinskia at gcc dot gnu dot org
  4 siblings, 0 replies; 6+ messages in thread
From: pinskia at gcc dot gnu dot org @ 2007-07-26  1:23 UTC (permalink / raw)
  To: gcc-bugs



------- Comment #5 from pinskia at gcc dot gnu dot org  2007-07-26 01:23 -------
I am just going to close this as being fixed.


-- 

pinskia at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|---                         |4.3.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31552


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2007-07-26  1:23 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2007-04-12 16:59 [Bug rtl-optimization/31552] New: -fcall-used-vXX turns into ICE gcc at breakpoint dot cc
2007-04-12 17:02 ` [Bug rtl-optimization/31552] " gcc at breakpoint dot cc
2007-04-12 17:04 ` gcc at breakpoint dot cc
2007-04-14 23:56 ` [Bug target/31552] " pinskia at gcc dot gnu dot org
2007-07-26  1:17 ` dtemirbulatov at gmail dot com
2007-07-26  1:23 ` pinskia at gcc dot gnu dot org

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