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defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.

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2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>

	* defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
	* doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.

	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
	UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
	(vect_update_misalignment_for_peel): Likewise.
	(vector_alignment_reachable_p): Likewise.
	* tree-vect-transform.c (vectorizable_load): Likewise.
	* tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.

	* tree-vectorizer.c (get_vectype_for_scalar_type): Pass mode of
	scalar_type to UNITS_PER_SIMD_WORD.

	* config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.

From-SVN: r135759
This commit is contained in:
H.J. Lu 2008-05-22 12:43:16 +00:00 committed by H.J. Lu
parent d36f0e7895
commit 9d3a9de1ee
11 changed files with 50 additions and 24 deletions
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21
gcc/ChangeLog
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@ -1,3 +1,24 @@
2008-05-22 H.J. Lu <hongjiu.lu@intel.com>
* defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
* doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
* tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
(vect_update_misalignment_for_peel): Likewise.
(vector_alignment_reachable_p): Likewise.
* tree-vect-transform.c (vectorizable_load): Likewise.
* tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
* tree-vectorizer.c (get_vectype_for_scalar_type): Pass mode of
scalar_type to UNITS_PER_SIMD_WORD.
* config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
* config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
* config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
* config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2008-05-22 Ira Rosen <irar@il.ibm.com>
PR tree-optimization/36293

2
gcc/config/arm/arm.h
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@ -506,7 +506,7 @@ extern int arm_arch_hwdiv;
/* Use the option -mvectorize-with-neon-quad to override the use of doubleword
registers when autovectorizing for Neon, at least until multiple vector
widths are supported properly by the middle-end. */
#define UNITS_PER_SIMD_WORD \
#define UNITS_PER_SIMD_WORD(MODE) \
(TARGET_NEON ? (TARGET_NEON_VECTORIZE_QUAD ? 16 : 8) : UNITS_PER_WORD)
/* True if natural alignment is used for doubleword types. */

2
gcc/config/i386/i386.h
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@ -1132,7 +1132,7 @@ do { \
/* ??? No autovectorization into MMX or 3DNOW until we can reliably
place emms and femms instructions. */
#define UNITS_PER_SIMD_WORD (TARGET_SSE ? 16 : UNITS_PER_WORD)
#define UNITS_PER_SIMD_WORD(MODE) (TARGET_SSE ? 16 : UNITS_PER_WORD)
#define VALID_DFP_MODE_P(MODE) \
((MODE) == SDmode || (MODE) == DDmode || (MODE) == TDmode)

3
gcc/config/mips/mips.h
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@ -1193,7 +1193,8 @@ enum mips_code_readable_setting {
/* The number of bytes in a double. */
#define UNITS_PER_DOUBLE (TYPE_PRECISION (double_type_node) / BITS_PER_UNIT)
#define UNITS_PER_SIMD_WORD (TARGET_PAIRED_SINGLE_FLOAT ? 8 : UNITS_PER_WORD)
#define UNITS_PER_SIMD_WORD(MODE) \
(TARGET_PAIRED_SINGLE_FLOAT ? 8 : UNITS_PER_WORD)
/* Set the sizes of the core types. */
#define SHORT_TYPE_SIZE 16

2
gcc/config/rs6000/rs6000.h
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@ -899,7 +899,7 @@ extern enum rs6000_nop_insertion rs6000_sched_insert_nops;
#define PAIRED_VECTOR_MODE(MODE) \
((MODE) == V2SFmode)
#define UNITS_PER_SIMD_WORD \
#define UNITS_PER_SIMD_WORD(MODE) \
(TARGET_ALTIVEC ? UNITS_PER_ALTIVEC_WORD \
: (TARGET_SPE ? UNITS_PER_SPE_WORD : (TARGET_PAIRED_FLOAT ? \
UNITS_PER_PAIRED_WORD : UNITS_PER_WORD)))

2
gcc/config/sparc/sparc.h
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@ -606,7 +606,7 @@ extern struct sparc_cpu_select sparc_select[];
#define MIN_UNITS_PER_WORD 4
#endif
#define UNITS_PER_SIMD_WORD (TARGET_VIS ? 8 : UNITS_PER_WORD)
#define UNITS_PER_SIMD_WORD(MODE) (TARGET_VIS ? 8 : UNITS_PER_WORD)
/* Now define the sizes of the C data types. */

2
gcc/defaults.h
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@ -739,7 +739,7 @@ along with GCC; see the file COPYING3. If not see
/* By default, only attempt to parallelize bitwise operations, and
possibly adds/subtracts using bit-twiddling. */
#ifndef UNITS_PER_SIMD_WORD
#define UNITS_PER_SIMD_WORD UNITS_PER_WORD
#define UNITS_PER_SIMD_WORD(MODE) UNITS_PER_WORD
#endif
/* Determine whether __cxa_atexit, rather than atexit, is used to

10
gcc/doc/tm.texi
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@ -990,11 +990,11 @@ Minimum number of units in a word. If this is undefined, the default is
smallest value that @code{UNITS_PER_WORD} can have at run-time.
@end defmac
@defmac UNITS_PER_SIMD_WORD
Number of units in the vectors that the vectorizer can produce.
The default is equal to @code{UNITS_PER_WORD}, because the vectorizer
can do some transformations even in absence of specialized @acronym{SIMD}
hardware.
@defmac UNITS_PER_SIMD_WORD (@var{mode})
Number of units in the vectors that the vectorizer can produce for
scalar mode @var{mode}. The default is equal to @code{UNITS_PER_WORD},
because the vectorizer can do some transformations even in absence of
specialized @acronym{SIMD} hardware.
@end defmac
@defmac POINTER_SIZE

9
gcc/tree-vect-analyze.c
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@ -1370,6 +1370,7 @@ vect_compute_data_ref_alignment (struct data_reference *dr)
misalign = DR_INIT (dr);
aligned_to = DR_ALIGNED_TO (dr);
base_addr = DR_BASE_ADDRESS (dr);
vectype = STMT_VINFO_VECTYPE (stmt_info);
/* In case the dataref is in an inner-loop of the loop that is being
vectorized (LOOP), we use the base and misalignment information
@ -1382,7 +1383,7 @@ vect_compute_data_ref_alignment (struct data_reference *dr)
tree step = DR_STEP (dr);
HOST_WIDE_INT dr_step = TREE_INT_CST_LOW (step);
if (dr_step % UNITS_PER_SIMD_WORD == 0)
if (dr_step % GET_MODE_SIZE (TYPE_MODE (vectype)) == 0)
{
if (vect_print_dump_info (REPORT_ALIGNMENT))
fprintf (vect_dump, "inner step divides the vector-size.");
@ -1399,7 +1400,6 @@ vect_compute_data_ref_alignment (struct data_reference *dr)
}
base = build_fold_indirect_ref (base_addr);
vectype = STMT_VINFO_VECTYPE (stmt_info);
alignment = ssize_int (TYPE_ALIGN (vectype)/BITS_PER_UNIT);
if ((aligned_to && tree_int_cst_compare (aligned_to, alignment) < 0)
@ -1541,8 +1541,9 @@ vect_update_misalignment_for_peel (struct data_reference *dr,
&& known_alignment_for_access_p (dr_peel))
{
int misal = DR_MISALIGNMENT (dr);
tree vectype = STMT_VINFO_VECTYPE (stmt_info);
misal += npeel * dr_size;
misal %= UNITS_PER_SIMD_WORD;
misal %= GET_MODE_SIZE (TYPE_MODE (vectype));
SET_DR_MISALIGNMENT (dr, misal);
return;
}
@ -1622,7 +1623,7 @@ vector_alignment_reachable_p (struct data_reference *dr)
if (!known_alignment_for_access_p (dr))
return false;
elem_size = UNITS_PER_SIMD_WORD / nelements;
elem_size = GET_MODE_SIZE (TYPE_MODE (vectype)) / nelements;
mis_in_elements = DR_MISALIGNMENT (dr) / elem_size;
if ((nelements - mis_in_elements) % DR_GROUP_SIZE (stmt_info))

3
gcc/tree-vect-transform.c
View File

@ -5780,7 +5780,8 @@ vectorizable_load (tree stmt, block_stmt_iterator *bsi, tree *vec_stmt,
nested within an outer-loop that is being vectorized. */
if (nested_in_vect_loop_p (loop, stmt)
&& (TREE_INT_CST_LOW (DR_STEP (dr)) % UNITS_PER_SIMD_WORD != 0))
&& (TREE_INT_CST_LOW (DR_STEP (dr))
% GET_MODE_SIZE (TYPE_MODE (vectype)) != 0))
{
gcc_assert (alignment_support_scheme != dr_explicit_realign_optimized);
compute_in_loop = true;

18
gcc/tree-vectorizer.c
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@ -1806,12 +1806,12 @@ get_vectype_for_scalar_type (tree scalar_type)
int nunits;
tree vectype;
if (nbytes == 0 || nbytes >= UNITS_PER_SIMD_WORD)
if (nbytes == 0 || nbytes >= UNITS_PER_SIMD_WORD (inner_mode))
return NULL_TREE;
/* FORNOW: Only a single vector size per target (UNITS_PER_SIMD_WORD)
/* FORNOW: Only a single vector size per mode (UNITS_PER_SIMD_WORD)
is expected. */
nunits = UNITS_PER_SIMD_WORD / nbytes;
nunits = UNITS_PER_SIMD_WORD (inner_mode) / nbytes;
vectype = build_vector_type (scalar_type, nunits);
if (vect_print_dump_info (REPORT_DETAILS))
@ -1937,11 +1937,13 @@ vect_supportable_dr_alignment (struct data_reference *dr)
&& (!targetm.vectorize.builtin_mask_for_load
|| targetm.vectorize.builtin_mask_for_load ()))
{
if (nested_in_vect_loop
&& TREE_INT_CST_LOW (DR_STEP (dr)) != UNITS_PER_SIMD_WORD)
return dr_explicit_realign;
else
return dr_explicit_realign_optimized;
tree vectype = STMT_VINFO_VECTYPE (stmt_info);
if (nested_in_vect_loop
&& (TREE_INT_CST_LOW (DR_STEP (dr))
!= GET_MODE_SIZE (TYPE_MODE (vectype))))
return dr_explicit_realign;
else
return dr_explicit_realign_optimized;
}
if (optab_handler (movmisalign_optab, mode)->insn_code !=