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lra-lives.c (process_bb_lives): Update biggest mode for implicitly used hard reg.

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2016-12-06  Vladimir Makarov  <vmakarov@redhat.com>

	target/77761
	* lra-lives.c (process_bb_lives): Update biggest mode for
	implicitly used hard reg.

2016-12-06  Vladimir Makarov  <vmakarov@redhat.com>

	target/77761
	* testsuite/gcc.target/i386/pr77761.c: New.

From-SVN: r243316
This commit is contained in:
Vladimir Makarov 2016-12-06 20:02:03 +00:00 committed by Vladimir Makarov
parent cd3fe55a18
commit 9a38b8b940
4 changed files with 83 additions and 4 deletions
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6
gcc/ChangeLog
View File

@ -1,3 +1,9 @@
2016-12-06 Vladimir Makarov <vmakarov@redhat.com>
target/77761
* lra-lives.c (process_bb_lives): Update biggest mode for
implicitly used hard reg.
2016-12-06 Uros Bizjak <ubizjak@gmail.com>
* config/i386/predicates.md (general_gr_operand): New predicate.

21
gcc/lra-lives.c
View File

@ -702,11 +702,24 @@ process_bb_lives (basic_block bb, int &curr_point, bool dead_insn_p)
/* Update max ref width and hard reg usage. */
for (reg = curr_id->regs; reg != NULL; reg = reg->next)
{
int i, regno = reg->regno;
if (GET_MODE_SIZE (reg->biggest_mode)
> GET_MODE_SIZE (lra_reg_info[reg->regno].biggest_mode))
lra_reg_info[reg->regno].biggest_mode = reg->biggest_mode;
if (reg->regno < FIRST_PSEUDO_REGISTER)
lra_hard_reg_usage[reg->regno] += freq;
> GET_MODE_SIZE (lra_reg_info[regno].biggest_mode))
lra_reg_info[regno].biggest_mode = reg->biggest_mode;
if (regno < FIRST_PSEUDO_REGISTER)
{
lra_hard_reg_usage[regno] += freq;
/* A hard register explicitly can be used in small mode,
but implicitly it can be used in natural mode as a
part of multi-register group. Process this case
here. */
for (i = 1; i < hard_regno_nregs[regno][reg->biggest_mode]; i++)
if (GET_MODE_SIZE (GET_MODE (regno_reg_rtx[regno + i]))
> GET_MODE_SIZE (lra_reg_info[regno + i].biggest_mode))
lra_reg_info[regno + i].biggest_mode
= GET_MODE (regno_reg_rtx[regno + i]);
}
}
call_p = CALL_P (curr_insn);

5
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,8 @@
2016-12-06 Vladimir Makarov <vmakarov@redhat.com>
target/77761
* testsuite/gcc.target/i386/pr77761.c: New.
2016-12-06 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/78659

55
gcc/testsuite/gcc.target/i386/pr77761.c Normal file
View File

@ -0,0 +1,55 @@
/* { dg-do run } */
/* { dg-options "-O2 -fno-guess-branch-probability -fschedule-insns -fno-tree-ter -mavx512f --param=max-pending-list-length=512" } */
/* { dg-require-effective-target avx512f } */
#include "avx512f-check.h"
typedef unsigned char u8;
typedef unsigned char v64u8 __attribute__ ((vector_size (64)));
typedef unsigned short u16;
typedef unsigned short v64u16 __attribute__ ((vector_size (64)));
typedef unsigned int u32;
typedef unsigned int v64u32 __attribute__ ((vector_size (64)));
typedef unsigned long long u64;
typedef unsigned long long v64u64 __attribute__ ((vector_size (64)));
typedef unsigned __int128 u128;
typedef unsigned __int128 v64u128 __attribute__ ((vector_size (64)));
v64u128 __attribute__ ((noinline, noclone))
foo(u8 x1, u16 x2, u32 x3, u64 x4, v64u8 x5, v64u16 x6, v64u32 x7, v64u64 x8, v64u128 x9)
{
u8 *p = &x1;
x9[0] -= *p;
x5 %= (v64u8){ 1, -x4, 0, x3, x5[9], x7[1], 4, x6[1], 13 << 4} | 1;
x5[1] = x5[0];
x8 %= (v64u64){1, x1} | 1;
x9 /= x9 | 1;
x5 -= (v64u8){0, 0, 3, 0, 0, 0, 0, x4, x9[0], 0, 1};
return x1 + x2 + x3 + x4 + (v64u128) x5 + (v64u128) x6 + (v64u128) x7 +
(v64u128) x8 + x9;
}
int
do_main ()
{
v64u128 x = foo(1, 0, 0, 0, (v64u8){}, (v64u16){}, (v64u32){}, (v64u64){}, (v64u128){});
if ((u64)(x[0] >> 64) != 0x0000000000ff00ff)
__builtin_abort();
if ((u64)(x[0] >> 0) != 0x0000000000fd0002)
__builtin_abort();
if (x[1] != 1)
__builtin_abort();
if (x[2] != 1)
__builtin_abort();
if (x[3] != 1)
__builtin_abort();
return 0;
}
static void
avx512f_test (void)
{
do_main ();
}