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neon.md (float<mode><V_cvtto>2): New.

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2011-12-23  Dmitry Plotnikov  <dplotnikov@ispras.ru>

	* config/arm/neon.md (float<mode><V_cvtto>2): New.
	(floatuns<mode><V_cvtto>2): New.
	(fix_trunc<mode><V_cvtto>2): New.
	(fix_truncuns<mode><V_cvtto>2): New.
	* config/arm/iterators.md (V_cvtto): New iterator.

gcc/testsuite/:
	* gcc.target/arm/vect-vcvt.c: New test.
	* gcc.target/arm/vect-vcvtq.c: New test.
	
	* gcc.dg/vect/fast-math-pr35982.c: Added vect_strided2 alternative
	in final check.
	
	* lib/target-supports.exp (check_effective_target_vect_intfloat_cvt):
	True for ARM NEON.
	(check_effective_target_vect_uintfloat_cvt): Likewise.
	(check_effective_target_vect_floatuint_cvt): Likewise.
	(check_effective_target_vect_floatint_cvt): Likewise.

From-SVN: r182657
This commit is contained in:
Dmitry Plotnikov 2011-12-23 13:53:17 +00:00 • committed by Alexander Monakov
parent a17e8c0593
commit 5bf4dcf26d
8 changed files with 140 additions and 6 deletions
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8
gcc/ChangeLog
View file

@ -1,3 +1,11 @@
2011-12-23 Dmitry Plotnikov <dplotnikov@ispras.ru>
* config/arm/neon.md (float<mode><V_cvtto>2): New.
(floatuns<mode><V_cvtto>2): New.
(fix_trunc<mode><V_cvtto>2): New.
(fix_truncuns<mode><V_cvtto>2): New.
* config/arm/iterators.md (V_cvtto): New iterator.
2011-12-23 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/50396

4
gcc/config/arm/iterators.md
View file

@ -197,6 +197,10 @@
(define_mode_attr V_CVTTO [(V2SI "V2SF") (V2SF "V2SI")
(V4SI "V4SF") (V4SF "V4SI")])
;; As above but in lower case.
(define_mode_attr V_cvtto [(V2SI "v2sf") (V2SF "v2si")
(V4SI "v4sf") (V4SF "v4si")])
;; Define element mode for each vector mode.
(define_mode_attr V_elem [(V8QI "QI") (V16QI "QI")
(V4HI "HI") (V8HI "HI")

44
gcc/config/arm/neon.md
View file

@ -2932,6 +2932,50 @@
DONE;
})
(define_insn "float<mode><V_cvtto>2"
[(set (match_operand:<V_CVTTO> 0 "s_register_operand" "=w")
(float:<V_CVTTO> (match_operand:VCVTI 1 "s_register_operand" "w")))]
"TARGET_NEON && !flag_rounding_math"
"vcvt.f32.s32\t%<V_reg>0, %<V_reg>1"
[(set (attr "neon_type")
(if_then_else (match_test "<Is_d_reg>")
(const_string "neon_fp_vadd_ddd_vabs_dd")
(const_string "neon_fp_vadd_qqq_vabs_qq")))]
)
(define_insn "floatuns<mode><V_cvtto>2"
[(set (match_operand:<V_CVTTO> 0 "s_register_operand" "=w")
(unsigned_float:<V_CVTTO> (match_operand:VCVTI 1 "s_register_operand" "w")))]
"TARGET_NEON && !flag_rounding_math"
"vcvt.f32.u32\t%<V_reg>0, %<V_reg>1"
[(set (attr "neon_type")
(if_then_else (match_test "<Is_d_reg>")
(const_string "neon_fp_vadd_ddd_vabs_dd")
(const_string "neon_fp_vadd_qqq_vabs_qq")))]
)
(define_insn "fix_trunc<mode><V_cvtto>2"
[(set (match_operand:<V_CVTTO> 0 "s_register_operand" "=w")
(fix:<V_CVTTO> (match_operand:VCVTF 1 "s_register_operand" "w")))]
"TARGET_NEON"
"vcvt.s32.f32\t%<V_reg>0, %<V_reg>1"
[(set (attr "neon_type")
(if_then_else (match_test "<Is_d_reg>")
(const_string "neon_fp_vadd_ddd_vabs_dd")
(const_string "neon_fp_vadd_qqq_vabs_qq")))]
)
(define_insn "fixuns_trunc<mode><V_cvtto>2"
[(set (match_operand:<V_CVTTO> 0 "s_register_operand" "=w")
(unsigned_fix:<V_CVTTO> (match_operand:VCVTF 1 "s_register_operand" "w")))]
"TARGET_NEON"
"vcvt.u32.f32\t%<V_reg>0, %<V_reg>1"
[(set (attr "neon_type")
(if_then_else (match_test "<Is_d_reg>")
(const_string "neon_fp_vadd_ddd_vabs_dd")
(const_string "neon_fp_vadd_qqq_vabs_qq")))]
)
(define_insn "neon_vcvt<mode>"
[(set (match_operand:<V_CVTTO> 0 "s_register_operand" "=w")
(unspec:<V_CVTTO> [(match_operand:VCVTF 1 "s_register_operand" "w")

14
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,17 @@
2011-12-23 Dmitry Plotnikov <dplotnikov@ispras.ru>
* gcc.target/arm/vect-vcvt.c: New test.
* gcc.target/arm/vect-vcvtq.c: New test.
* gcc.dg/vect/fast-math-pr35982.c: Added vect_strided2 alternative
in final check.
* lib/target-supports.exp (check_effective_target_vect_intfloat_cvt):
True for ARM NEON.
(check_effective_target_vect_uintfloat_cvt): Likewise.
(check_effective_target_vect_floatuint_cvt): Likewise.
(check_effective_target_vect_floatint_cvt): Likewise.
2011-12-23 Richard Guenther <rguenther@suse.de>
PR rtl-optimization/50396

4
gcc/testsuite/gcc.dg/vect/fast-math-pr35982.c
View file

@ -20,7 +20,7 @@ float method2_int16 (struct mem *mem)
return avg;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_extract_even_odd } } } */
/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { xfail vect_extract_even_odd } } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_extract_even_odd || vect_strided2 } } } */
/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" { xfail vect_extract_even_odd || vect_strided2 } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */

28
gcc/testsuite/gcc.target/arm/neon/vect-vcvt.c Normal file
View file

@ -0,0 +1,28 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_neon_ok } */
/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details -mvectorize-with-neon-double" } */
/* { dg-add-options arm_neon } */
#define N 32
int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
float fa[N];
int ia[N];
int convert()
{
int i;
/* int -> float */
for (i = 0; i < N; i++)
fa[i] = (float) ib[i];
/* float -> int */
for (i = 0; i < N; i++)
ia[i] = (int) fa[i];
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */

28
gcc/testsuite/gcc.target/arm/neon/vect-vcvtq.c Normal file
View file

@ -0,0 +1,28 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_neon_ok } */
/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-details" } */
/* { dg-add-options arm_neon } */
#define N 32
int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
float fa[N];
int ia[N];
int convert()
{
int i;
/* int -> float */
for (i = 0; i < N; i++)
fa[i] = (float) ib[i];
/* float -> int */
for (i = 0; i < N; i++)
ia[i] = (int) fa[i];
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */

16
gcc/testsuite/lib/target-supports.exp
View file

@ -1829,7 +1829,9 @@ proc check_effective_target_vect_intfloat_cvt { } {
if { [istarget i?86-*-*]
|| ([istarget powerpc*-*-*]
&& ![istarget powerpc-*-linux*paired*])
|| [istarget x86_64-*-*] } {
|| [istarget x86_64-*-*]
|| ([istarget arm*-*-*]
&& [check_effective_target_arm_neon_ok])} {
set et_vect_intfloat_cvt_saved 1
}
}
@ -1865,7 +1867,9 @@ proc check_effective_target_vect_uintfloat_cvt { } {
if { [istarget i?86-*-*]
|| ([istarget powerpc*-*-*]
&& ![istarget powerpc-*-linux*paired*])
|| [istarget x86_64-*-*] } {
|| [istarget x86_64-*-*]
|| ([istarget arm*-*-*]
&& [check_effective_target_arm_neon_ok])} {
set et_vect_uintfloat_cvt_saved 1
}
}
@ -1888,7 +1892,9 @@ proc check_effective_target_vect_floatint_cvt { } {
if { [istarget i?86-*-*]
|| ([istarget powerpc*-*-*]
&& ![istarget powerpc-*-linux*paired*])
|| [istarget x86_64-*-*] } {
|| [istarget x86_64-*-*]
|| ([istarget arm*-*-*]
&& [check_effective_target_arm_neon_ok])} {
set et_vect_floatint_cvt_saved 1
}
}
@ -1908,7 +1914,9 @@ proc check_effective_target_vect_floatuint_cvt { } {
} else {
set et_vect_floatuint_cvt_saved 0
if { ([istarget powerpc*-*-*]
&& ![istarget powerpc-*-linux*paired*]) } {
&& ![istarget powerpc-*-linux*paired*])
|| ([istarget arm*-*-*]
&& [check_effective_target_arm_neon_ok])} {
set et_vect_floatuint_cvt_saved 1
}
}