On Tue, Jun 7, 2016 at 1:58 AM, Kelvin Nilsen
<kdnil...@linux.vnet.ibm.com> wrote:
>
> This patch adds built-in function support for the ISA 3.0 vabsub,
> vabsduh, and vabsduw instructions.
>
> I have bootstrapped and tested on powerpc64le-unkonwn-linux-gnu with no
> regressions. Is this ok for the trunk?
>
> I have also tested against the gcc-6 branch without regressions. Is
> this ok for backporting to gcc6 after a few days of burn-in time on the
> trunk?
It sounds like these match SAD_EXPR and thus should allow vectorizing
gcc.dg/vect/slp-reduc-sad.c and gcc.dg/vect/vect-reduc-sad.c using SAD?
Richard.
> gcc/testsuite/ChangeLog:
>
> 2016-06-06 Kelvin Nilsen <kel...@gcc.gnu.org>
>
> * gcc.target/powerpc/vadsdu-0.c: New test.
> * gcc.target/powerpc/vadsdu-1.c: New test.
> * gcc.target/powerpc/vadsdu-2.c: New test.
> * gcc.target/powerpc/vadsdu-3.c: New test.
> * gcc.target/powerpc/vadsdu-4.c: New test.
> * gcc.target/powerpc/vadsdu-5.c: New test.
> * gcc.target/powerpc/vadsdub-1.c: New test.
> * gcc.target/powerpc/vadsdub-2.c: New test.
> * gcc.target/powerpc/vadsduh-1.c: New test.
> * gcc.target/powerpc/vadsduh-2.c: New test.
> * gcc.target/powerpc/vadsduw-1.c: New test.
> * gcc.target/powerpc/vadsduw-2.c: New test.
>
>
> gcc/ChangeLog:
>
> 2016-06-06 Kelvin Nilsen <kel...@gcc.gnu.org>
>
> * config/rs6000/altivec.h (vec_adu): New macro for vector absolute
> difference unsigned.
> (vec_adub): New macro for vector absolute difference unsigned
> byte.
> (vec_aduh): New macro for vector absolute difference unsigned
> half-word.
> (vec_aduw): New macro for vector absolute difference unsigned word.
> * config/rs6000/altivec.md (UNSPEC_VADU): New value.
> (vadu<mode>3): New insn.
> (*p9_vadu<mode>3): New insn.
> * config/rs6000/rs6000-builtin.def (vadub): New built-in
> definition.
> (vaduh): New built-in definition.
> (vaduw): New built-in definition.
> (vadu): New overloaded built-in definition.
> (vadub): New overloaded built-in definition.
> (vaduh): New overloaded built-in definition.
> (vaduw): New overloaded built-in definition.
> * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
> overloaded vector absolute difference unsigned functions.
> * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
> the ISA 3.0 vector absolute difference unsigned built-in functions.
>
> Index: gcc/config/rs6000/altivec.h
> ===================================================================
> --- gcc/config/rs6000/altivec.h (revision 237045)
> +++ gcc/config/rs6000/altivec.h (working copy)
> @@ -401,6 +401,11 @@
> #define vec_vprtybq __builtin_vec_vprtybq
> #endif
>
> +#define vec_adu __builtin_vec_vadu
> +#define vec_adub __builtin_vec_vadub
> +#define vec_aduh __builtin_vec_vaduh
> +#define vec_aduw __builtin_vec_vaduw
> +
> #define vec_slv __builtin_vec_vslv
> #define vec_srv __builtin_vec_vsrv
> #endif
> Index: gcc/config/rs6000/altivec.md
> ===================================================================
> --- gcc/config/rs6000/altivec.md (revision 237045)
> +++ gcc/config/rs6000/altivec.md (working copy)
> @@ -114,6 +114,7 @@
> UNSPEC_STVLXL
> UNSPEC_STVRX
> UNSPEC_STVRXL
> + UNSPEC_VADU
> UNSPEC_VSLV
> UNSPEC_VSRV
> UNSPEC_VMULWHUB
> @@ -3464,6 +3465,25 @@
> [(set_attr "length" "4")
> (set_attr "type" "vecsimple")])
>
> +;; Vector absolute difference unsigned
> +(define_expand "vadu<mode>3"
> + [(set (match_operand:VI 0 "register_operand" "")
> + (unspec:VI [(match_operand:VI 1 "register_operand" "")
> + (match_operand:VI 2 "register_operand" "")]
> + UNSPEC_VADU))]
> + "TARGET_P9_VECTOR")
> +
> +;; Vector absolute difference unsigned
> +(define_insn "*p9_vadu<mode>3"
> + [(set (match_operand:VI 0 "register_operand" "=v")
> + (unspec:VI [(match_operand:VI 1 "register_operand" "v")
> + (match_operand:VI 2 "register_operand" "v")]
> + UNSPEC_VADU))]
> + "TARGET_P9_VECTOR"
> + "vabsdu<wd> %0, %1, %2"
> + [(set_attr "type" "add")
> + (set_attr "length" "4")])
> +
> ;; Vector count trailing zeros
> (define_insn "*p9v_ctz<mode>2"
> [(set (match_operand:VI2 0 "register_operand" "=v")
> Index: gcc/config/rs6000/rs6000-builtin.def
> ===================================================================
> --- gcc/config/rs6000/rs6000-builtin.def (revision 237045)
> +++ gcc/config/rs6000/rs6000-builtin.def (working copy)
> @@ -1757,6 +1757,17 @@ BU_P9V_AV_2 (VSRV, "vsrv",
> CONST, vsrv)
> BU_P9V_OVERLOAD_2 (VSLV, "vslv")
> BU_P9V_OVERLOAD_2 (VSRV, "vsrv")
>
> +/* 2 argument vector functions added in ISA 3.0 (power9). */
> +BU_P9V_AV_2 (VADUB, "vadub", CONST, vaduv16qi3)
> +BU_P9V_AV_2 (VADUH, "vaduh", CONST, vaduv8hi3)
> +BU_P9V_AV_2 (VADUW, "vaduw", CONST, vaduv4si3)
> +
> +/* ISA 3.0 vector overloaded 2 argument functions. */
> +BU_P9V_OVERLOAD_2 (VADU, "vadu")
> +BU_P9V_OVERLOAD_2 (VADUB, "vadub")
> +BU_P9V_OVERLOAD_2 (VADUH, "vaduh")
> +BU_P9V_OVERLOAD_2 (VADUW, "vaduw")
> +
>
> /* 2 argument extended divide functions added in ISA 2.06. */
> BU_P7_MISC_2 (DIVWE, "divwe", CONST, dive_si)
> Index: gcc/config/rs6000/rs6000-c.c
> ===================================================================
> --- gcc/config/rs6000/rs6000-c.c (revision 237045)
> +++ gcc/config/rs6000/rs6000-c.c (working copy)
> @@ -4247,6 +4247,28 @@ const struct altivec_builtin_types altivec_overloa
> { P9V_BUILTIN_VEC_VCTZD, P9V_BUILTIN_VCTZD,
> RS6000_BTI_unsigned_V2DI, RS6000_BTI_unsigned_V2DI, 0, 0 },
>
> + { P9V_BUILTIN_VEC_VADU, P9V_BUILTIN_VADUB,
> + RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI,
> + RS6000_BTI_unsigned_V16QI, 0 },
> + { P9V_BUILTIN_VEC_VADU, P9V_BUILTIN_VADUH,
> + RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI,
> + RS6000_BTI_unsigned_V8HI, 0 },
> + { P9V_BUILTIN_VEC_VADU, P9V_BUILTIN_VADUW,
> + RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI,
> + RS6000_BTI_unsigned_V4SI, 0 },
> +
> + { P9V_BUILTIN_VEC_VADUB, P9V_BUILTIN_VADUB,
> + RS6000_BTI_unsigned_V16QI, RS6000_BTI_unsigned_V16QI,
> + RS6000_BTI_unsigned_V16QI, 0 },
> +
> + { P9V_BUILTIN_VEC_VADUH, P9V_BUILTIN_VADUH,
> + RS6000_BTI_unsigned_V8HI, RS6000_BTI_unsigned_V8HI,
> + RS6000_BTI_unsigned_V8HI, 0 },
> +
> + { P9V_BUILTIN_VEC_VADUW, P9V_BUILTIN_VADUW,
> + RS6000_BTI_unsigned_V4SI, RS6000_BTI_unsigned_V4SI,
> + RS6000_BTI_unsigned_V4SI, 0 },
> +
> { P8V_BUILTIN_VEC_VGBBD, P8V_BUILTIN_VGBBD,
> RS6000_BTI_V16QI, RS6000_BTI_V16QI, 0, 0 },
> { P8V_BUILTIN_VEC_VGBBD, P8V_BUILTIN_VGBBD,
> Index: gcc/doc/extend.texi
> ===================================================================
> --- gcc/doc/extend.texi (revision 237045)
> +++ gcc/doc/extend.texi (working copy)
> @@ -17375,6 +17375,31 @@ result returned from the @code{vec_srv} function i
> (0x07 & shift_distance[i]))},
> with this resulting value coerced to the @code{unsigned char} type.
>
> +The following built-in functions are available for the PowerPC family
> +of processors, starting with ISA 3.0 or later (@option{-mcpu=power9})
> +or with @option{-mpower9-vector}:
> +@smallexample
> +__vector unsigned char
> +vec_adu (__vector unsigned char arg1, __vector unsigned char arg2);
> +__vector unsighed short
> +vec_adu (__vector unsigned short arg1, __vector unsigned short arg2);
> +__vector unsigned int
> +vec_adu (__vector unsigned int arg1, __vector unsigned int arg2);
> +
> +__vector unsigned char
> +vec_adub (__vector unsigned char arg1, __vector unsigned char arg2);
> +__vector unsighed short
> +vec_aduh (__vector unsigned short arg1, __vector unsigned short arg2);
> +__vector unsigned int
> +vec_aduw (__vector unsigned int arg1, __vector unsigned int arg2);
> +@end smallexample
> +
> +The @code{vec_adu}, @code{vec_adub}, @code{vec_aduh}, and
> +@code{vec_aduw} built-in functions each computes the absolute
> +differences of the pairs of vector elements supplied in its two vector
> +arguments, placing the absolute differences into the corresponding
> +elements of the vector result.
> +
> If the cryptographic instructions are enabled (@option{-mcrypto} or
> @option{-mcpu=power8}), the following builtins are enabled.
>
> Index: gcc/testsuite/gcc.target/powerpc/vadsdu-0.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdu-0.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdu-0.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned int
> +doAbsoluteDifferenceUnsignedInt (__vector unsigned int *p,
> + __vector unsigned int *q)
> +{
> + __vector unsigned int source_1, source_2;
> + __vector unsigned int result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = __builtin_vec_vadu (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduw" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdu-1.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdu-1.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdu-1.c (working copy)
> @@ -0,0 +1,22 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned int
> +doAbsoluteDifferenceUnsignedIntMacro (__vector unsigned int *p,
> + __vector unsigned int *q)
> +{
> + __vector unsigned int result, source_1, source_2;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = vec_adu (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduw" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdu-2.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdu-2.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdu-2.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned short
> +doAbsoluteDifferenceUnsignedShort (__vector unsigned short *p,
> + __vector unsigned short *q)
> +{
> + __vector unsigned short source_1, source_2;
> + __vector unsigned short result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = __builtin_vec_vadu (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduh" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdu-3.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdu-3.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdu-3.c (working copy)
> @@ -0,0 +1,22 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned short
> +doAbsoluteDifferenceUnsignedShortMacro (__vector unsigned short *p,
> + __vector unsigned short *q)
> +{
> + __vector unsigned short result, source_1, source_2;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = vec_adu (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduh" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdu-4.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdu-4.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdu-4.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned char
> +doAbsoluteDifferenceUnsignedChar (__vector unsigned char *p,
> + __vector unsigned char *q)
> +{
> + __vector unsigned char source_1, source_2;
> + __vector unsigned char result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = __builtin_vec_vadu (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsdub" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdu-5.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdu-5.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdu-5.c (working copy)
> @@ -0,0 +1,22 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned char
> +doAbsoluteDifferenceUnsignedCharMacro (__vector unsigned char *p,
> + __vector unsigned char *q)
> +{
> + __vector unsigned char result, source_1, source_2;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = vec_adu (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsdub" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdub-1.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdub-1.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdub-1.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned char
> +doAbsoluteDifferenceUnsigned (__vector unsigned char *p,
> + __vector unsigned char *q)
> +{
> + __vector unsigned char source_1, source_2;
> + __vector unsigned char uc_result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + uc_result = __builtin_vec_vadub (source_1, source_2);
> + return uc_result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsdub" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsdub-2.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsdub-2.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsdub-2.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned char
> +doAbsoluteDifferenceUnsigned (__vector unsigned char *p,
> + __vector unsigned char *q)
> +{
> + __vector unsigned char source_1, source_2;
> + __vector unsigned char uc_result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + uc_result = __builtin_vec_vadub (source_1, source_2);
> + return uc_result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsdub" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsduh-1.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsduh-1.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsduh-1.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned short
> +doAbsoluteDifferenceUnsigned (__vector unsigned short *p,
> + __vector unsigned short *q)
> +{
> + __vector unsigned short source_1, source_2;
> + __vector unsigned short us_result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + us_result = __builtin_vec_vaduh (source_1, source_2);
> + return us_result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduh" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsduh-2.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsduh-2.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsduh-2.c (working copy)
> @@ -0,0 +1,22 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned short
> +doAbsoluteDifferenceUnsignedMacro (__vector unsigned short *p,
> + __vector unsigned short *q)
> +{
> + __vector unsigned short result, source_1, source_2;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = vec_aduh (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduh" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsduw-1.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsduw-1.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsduw-1.c (working copy)
> @@ -0,0 +1,23 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned int
> +doAbsoluteDifferenceUnsigned (__vector unsigned int *p,
> + __vector unsigned int *q)
> +{
> + __vector unsigned int source_1, source_2;
> + __vector unsigned int ui_result;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + ui_result = __builtin_vec_vaduw (source_1, source_2);
> + return ui_result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduw" } } */
> Index: gcc/testsuite/gcc.target/powerpc/vadsduw-2.c
> ===================================================================
> --- gcc/testsuite/gcc.target/powerpc/vadsduw-2.c (revision 0)
> +++ gcc/testsuite/gcc.target/powerpc/vadsduw-2.c (working copy)
> @@ -0,0 +1,22 @@
> +/* { dg-do compile { target { powerpc*-*-* } } } */
> +/* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } {
> "-mcpu=power9" } } */
> +/* { dg-require-effective-target p9vector_hw } */
> +/* { dg-options "-mcpu=power9" } */
> +
> +/* This test should succeed on both 32- and 64-bit configurations. */
> +#include <altivec.h>
> +
> +__vector unsigned int
> +doAbsoluteDifferenceUnsignedMacro (__vector unsigned int *p,
> + __vector unsigned int *q)
> +{
> + __vector unsigned int result, source_1, source_2;
> +
> + source_1 = *p;
> + source_2 = *q;
> +
> + result = vec_aduw (source_1, source_2);
> + return result;
> +}
> +
> +/* { dg-final { scan-assembler "vabsduw" } } */
>
