[PATCH] [AVX512] [PR87767] Optimize memory broadcast for constant vector under AVX512
Hongtao Liu
crazylht@gmail.com
Fri Jul 24 02:37:22 GMT 2020
On Thu, Jul 23, 2020 at 9:53 PM Hongtao Liu <crazylht@gmail.com> wrote:
>
> On Thu, Jul 23, 2020 at 4:39 PM Jan Hubicka <hubicka@ucw.cz> wrote:
> >
> > Hello,
> > sorry for taking so long to get to this.
> > > diff --git a/gcc/config/i386/i386-features.c b/gcc/config/i386/i386-features.c
> > > index 535fc7e981d..8f81d101382 100644
> > > --- a/gcc/config/i386/i386-features.c
> > > +++ b/gcc/config/i386/i386-features.c
> > > @@ -2379,6 +2379,152 @@ make_pass_remove_partial_avx_dependency (gcc::context *ctxt)
> > > return new pass_remove_partial_avx_dependency (ctxt);
> > > }
> > >
> > > +/* Replace all one-value const vector that are referenced by SYMBOL_REFs in x
> > > + with embedded broadcast. i.e.transform
> > > +
> > > + vpaddq .LC0(%rip), %zmm0, %zmm0
> > > + ret
> > > + .LC0:
> > > + .quad 3
> > > + .quad 3
> > > + .quad 3
> > > + .quad 3
> > > + .quad 3
> > > + .quad 3
> > > + .quad 3
> > > + .quad 3
> > > +
> > > + to
> > > +
> > > + vpaddq .LC0(%rip){1to8}, %zmm0, %zmm0
> >
> > It seems to me that having a special purpose pass for this is bit
> > overzelaous. It seems to me that you can do same pattern matching via
> > splitter and fit it into the usual insn splitting pass?
> >
>
> From an implementation perspective, there could be lots of work, since
> memory embedding broadcast is available for nearly every instruction
> in AVX512. And for new added AVX512 instructions, we also need to add
> a define_split for them.
>
I'll add more tests to show my point.
> > Honza
> > > + ret
> > > + .LC0:
> > > + .quad 3 */
> > > +static void
> > > +replace_constant_pool_with_broadcast (rtx_insn* insn)
> > > +{
> > > + subrtx_ptr_iterator::array_type array;
> > > + FOR_EACH_SUBRTX_PTR (iter, array, &PATTERN (insn), ALL)
> > > + {
> > > + rtx *loc = *iter;
> > > + rtx x = *loc;
> > > + rtx broadcast_mem, vec_dup, constant, first;
> > > + machine_mode mode;
> > > + if (GET_CODE (x) != MEM
> > > + || GET_CODE (XEXP (x, 0)) != SYMBOL_REF
> > > + || !CONSTANT_POOL_ADDRESS_P (XEXP (x, 0)))
> > > + continue;
> > > +
> > > + mode = GET_MODE (x);
> > > + if (!VECTOR_MODE_P (mode))
> > > + return;
> > > +
> > > + constant = get_pool_constant (XEXP (x, 0));
> > > + first = XVECEXP (constant, 0, 0);
> > > + /* There could be some rtx like
> > > + (mem/u/c:V16QI (symbol_ref/u:DI ("*.LC1")))
> > > + but with "*.LC1" refer to V2DI constant vector. */
> > > + if (GET_MODE (constant) != mode)
> > > + return;
> > > +
> > > + for (int i = 1; i < GET_MODE_NUNITS (mode); ++i)
> > > + {
> > > + rtx tmp = XVECEXP (constant, 0, i);
> > > + /* Only handle one-value const vector. */
> > > + if (!rtx_equal_p (tmp, first))
> > > + return;
> > > + }
> > > +
> > > + broadcast_mem = force_const_mem (GET_MODE_INNER (mode), first);
> > > + vec_dup = gen_rtx_VEC_DUPLICATE (mode, broadcast_mem);
> > > + *loc = vec_dup;
> > > + INSN_CODE (insn) = -1;
> > > + /* Revert change if there's no corresponding pattern. */
> > > + if (recog_memoized (insn) < 0)
> > > + {
> > > + *loc = x;
> > > + recog_memoized (insn);
> > > + }
> > > + /* At most 1 memory_operand in an insn. */
> > > + return;
> > > + }
> > > +}
> > > +
> > > +/* For const vector having one duplicated value, there's no need to put
> > > + whole vector in the constant pool when target supports embedded broadcast. */
> > > +static unsigned int
> > > +constant_pool_broadcast (void)
> > > +{
> > > + timevar_push (TV_MACH_DEP);
> > > + rtx_insn *insn;
> > > +
> > > + for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
> > > + {
> > > + if (!INSN_P (insn))
> > > + continue;
> > > +
> > > + /* Insns may appear inside a SEQUENCE. Only check the patterns of
> > > + insns, not any notes that may be attached. We don't want to mark
> > > + a constant just because it happens to appear in a REG_EQUIV note. */
> > > + if (rtx_sequence *seq = dyn_cast <rtx_sequence *> (PATTERN (insn)))
> > > + {
> > > + int i, n = seq->len ();
> > > + for (i = 0; i < n; ++i)
> > > + {
> > > + rtx subinsn = seq->element (i);
> > > + if (INSN_P (subinsn))
> > > + replace_constant_pool_with_broadcast (dyn_cast <rtx_insn *> (subinsn));
> > > + }
> > > + }
> > > + else
> > > + replace_constant_pool_with_broadcast (insn);
> > > + }
> > > + timevar_pop (TV_MACH_DEP);
> > > + return 0;
> > > +}
> > > +
> > > +namespace {
> > > +
> > > +const pass_data pass_data_constant_pool_broadcast =
> > > +{
> > > + RTL_PASS, /* type */
> > > + "cpb", /* name */
> > > + OPTGROUP_NONE, /* optinfo_flags */
> > > + TV_MACH_DEP, /* tv_id */
> > > + 0, /* properties_required */
> > > + 0, /* properties_provided */
> > > + 0, /* properties_destroyed */
> > > + 0, /* todo_flags_start */
> > > + TODO_df_finish, /* todo_flags_finish */
> > > +};
> > > +
> > > +class pass_constant_pool_broadcast : public rtl_opt_pass
> > > +{
> > > +public:
> > > + pass_constant_pool_broadcast (gcc::context *ctxt)
> > > + : rtl_opt_pass (pass_data_constant_pool_broadcast, ctxt)
> > > + {}
> > > +
> > > + /* opt_pass methods: */
> > > + virtual bool gate (function *)
> > > + {
> > > + return TARGET_AVX512F;
> > > + }
> > > +
> > > + virtual unsigned int execute (function *)
> > > + {
> > > + return constant_pool_broadcast ();
> > > + }
> > > +}; // class pass_cpb
> > > +
> > > +} // anon namespace
> > > +
> > > +rtl_opt_pass *
> > > +make_pass_constant_pool_broadcast (gcc::context *ctxt)
> > > +{
> > > + return new pass_constant_pool_broadcast (ctxt);
> > > +}
> > > +
> > > /* This compares the priority of target features in function DECL1
> > > and DECL2. It returns positive value if DECL1 is higher priority,
> > > negative value if DECL2 is higher priority and 0 if they are the
> > > diff --git a/gcc/config/i386/i386-passes.def b/gcc/config/i386/i386-passes.def
> > > index d83c7b956b1..07ecf8e790f 100644
> > > --- a/gcc/config/i386/i386-passes.def
> > > +++ b/gcc/config/i386/i386-passes.def
> > > @@ -33,3 +33,4 @@ along with GCC; see the file COPYING3. If not see
> > > INSERT_PASS_BEFORE (pass_shorten_branches, 1, pass_insert_endbr_and_patchable_area);
> > >
> > > INSERT_PASS_AFTER (pass_combine, 1, pass_remove_partial_avx_dependency);
> > > + INSERT_PASS_AFTER (pass_combine, 1, pass_constant_pool_broadcast);
> > > diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h
> > > index 7c2ce618f3f..6c6909b41dd 100644
> > > --- a/gcc/config/i386/i386-protos.h
> > > +++ b/gcc/config/i386/i386-protos.h
> > > @@ -386,3 +386,4 @@ extern rtl_opt_pass *make_pass_insert_endbr_and_patchable_area
> > > (gcc::context *);
> > > extern rtl_opt_pass *make_pass_remove_partial_avx_dependency
> > > (gcc::context *);
> > > +extern rtl_opt_pass *make_pass_constant_pool_broadcast (gcc::context *);
> > > diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
> > > index 431571a4bc1..fbfb459c5bf 100644
> > > --- a/gcc/config/i386/sse.md
> > > +++ b/gcc/config/i386/sse.md
> > > @@ -12127,6 +12127,19 @@
> > > (set_attr "prefix" "evex")
> > > (set_attr "mode" "<sseinsnmode>")])
> > >
> > > +(define_insn "*avx512dq_mul<mode>3<mask_name>_bcst"
> > > + [(set (match_operand:VI8_AVX512VL 0 "register_operand" "=v")
> > > + (mult:VI8_AVX512VL
> > > + (vec_duplicate:VI8_AVX512VL
> > > + (match_operand:<ssescalarmode> 1 "memory_operand" "m"))
> > > + (match_operand:VI8_AVX512VL 2 "register_operand" "v")
> > > +))]
> > > + "TARGET_AVX512DQ"
> > > + "vpmullq\t{%1<avx512bcst>, %2, %0<mask_operand3>|%0<mask_operand3>, %2, %1<avx512bcst>}"
> > > + [(set_attr "type" "sseimul")
> > > + (set_attr "prefix" "evex")
> > > + (set_attr "mode" "<sseinsnmode>")])
> > > +
> > > (define_expand "mul<mode>3<mask_name>"
> > > [(set (match_operand:VI4_AVX512F 0 "register_operand")
> > > (mult:VI4_AVX512F
> > > @@ -12167,6 +12180,18 @@
> > > (set_attr "btver2_decode" "vector,vector,vector")
> > > (set_attr "mode" "<sseinsnmode>")])
> > >
> > > +(define_insn "*avx512f_mul<mode>3<mask_name>_bcst"
> > > + [(set (match_operand:VI4_AVX512VL 0 "register_operand" "=v")
> > > + (mult:VI4_AVX512VL
> > > + (vec_duplicate:VI4_AVX512VL
> > > + (match_operand:<ssescalarmode> 1 "memory_operand" "m"))
> > > + (match_operand:VI4_AVX512VL 2 "register_operand" "v")))]
> > > + "TARGET_AVX512F"
> > > + "vpmulld\t{%1<avx512bcst>, %2, %0<mask_operand3>|%0<mask_operand3>, %2, %1<avx512bcst>}"
> > > + [(set_attr "type" "sseimul")
> > > + (set_attr "prefix" "evex")
> > > + (set_attr "mode" "<sseinsnmode>")])
> > > +
> > > (define_expand "mul<mode>3"
> > > [(set (match_operand:VI8_AVX2_AVX512F 0 "register_operand")
> > > (mult:VI8_AVX2_AVX512F
> > > diff --git a/gcc/testsuite/gcc.target/i386/avx2-broadcast-pr87767-1.c b/gcc/testsuite/gcc.target/i386/avx2-broadcast-pr87767-1.c
> > > new file mode 100644
> > > index 00000000000..800ef1f957e
> > > --- /dev/null
> > > +++ b/gcc/testsuite/gcc.target/i386/avx2-broadcast-pr87767-1.c
> > > @@ -0,0 +1,40 @@
> > > +/* PR target/87767 */
> > > +/* { dg-do compile } */
> > > +/* { dg-options "-O2 -mavx2" } */
> > > +/* { dg-final { scan-assembler-not "\\\{1to\[248\]\\\}" } } */
> > > +/* { dg-final { scan-assembler-not "\\\{1to16\\\}" } } */
> > > +
> > > +typedef int v4si __attribute__ ((vector_size (16)));
> > > +typedef int v8si __attribute__ ((vector_size (32)));
> > > +typedef long long v2di __attribute__ ((vector_size (16)));
> > > +typedef long long v4di __attribute__ ((vector_size (32)));
> > > +typedef float v4sf __attribute__ ((vector_size (16)));
> > > +typedef float v8sf __attribute__ ((vector_size (32)));
> > > +typedef double v2df __attribute__ ((vector_size (16)));
> > > +typedef double v4df __attribute__ ((vector_size (32)));
> > > +
> > > +#define FOO(VTYPE, OP_NAME, OP) \
> > > +VTYPE \
> > > + __attribute__ ((noipa)) \
> > > +foo_##OP_NAME##_##VTYPE (VTYPE a) \
> > > +{ \
> > > + return a OP 101; \
> > > +} \
> > > +
> > > +FOO (v4si, add, +);
> > > +FOO (v8si, add, +);
> > > +FOO (v2di, add, +);
> > > +FOO (v4di, add, +);
> > > +FOO (v4sf, add, +);
> > > +FOO (v8sf, add, +);
> > > +FOO (v2df, add, +);
> > > +FOO (v4df, add, +);
> > > +
> > > +FOO (v4si, mul, *);
> > > +FOO (v8si, mul, *);
> > > +FOO (v2di, mul, *);
> > > +FOO (v4di, mul, *);
> > > +FOO (v4sf, mul, *);
> > > +FOO (v8sf, mul, *);
> > > +FOO (v2df, mul, *);
> > > +FOO (v4df, mul, *);
> > > diff --git a/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c
> > > new file mode 100644
> > > index 00000000000..21249bc0cf9
> > > --- /dev/null
> > > +++ b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c
> > > @@ -0,0 +1,66 @@
> > > +/* PR target/87767 */
> > > +/* { dg-do compile } */
> > > +/* { dg-options "-O2 -mavx512f -mavx512vl -mavx512dq" } */
> > > +/* { dg-final { scan-assembler-times "vpadd\[^\n\]*\\\{1to2\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vpadd\[^\n\]*\\\{1to4\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vpadd\[^\n\]*\\\{1to8\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vpadd\[^\n\]*\\\{1to16\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vpmul\[^\n\]*\\\{1to2\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vpmul\[^\n\]*\\\{1to4\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vpmul\[^\n\]*\\\{1to8\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vpmul\[^\n\]*\\\{1to16\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vadd\[^\n\]*\\\{1to2\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vadd\[^\n\]*\\\{1to4\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vadd\[^\n\]*\\\{1to8\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vadd\[^\n\]*\\\{1to16\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vmul\[^\n\]*\\\{1to2\\\}" 1 } } */
> > > +/* { dg-final { scan-assembler-times "vmul\[^\n\]*\\\{1to4\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vmul\[^\n\]*\\\{1to8\\\}" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vmul\[^\n\]*\\\{1to16\\\}" 1 } } */
> > > +
> > > +typedef int v4si __attribute__ ((vector_size (16)));
> > > +typedef int v8si __attribute__ ((vector_size (32)));
> > > +typedef int v16si __attribute__ ((vector_size (64)));
> > > +typedef long long v2di __attribute__ ((vector_size (16)));
> > > +typedef long long v4di __attribute__ ((vector_size (32)));
> > > +typedef long long v8di __attribute__ ((vector_size (64)));
> > > +typedef float v4sf __attribute__ ((vector_size (16)));
> > > +typedef float v8sf __attribute__ ((vector_size (32)));
> > > +typedef float v16sf __attribute__ ((vector_size (64)));
> > > +typedef double v2df __attribute__ ((vector_size (16)));
> > > +typedef double v4df __attribute__ ((vector_size (32)));
> > > +typedef double v8df __attribute__ ((vector_size (64)));
> > > +
> > > +#define FOO(VTYPE, OP_NAME, OP) \
> > > +VTYPE \
> > > + __attribute__ ((noipa)) \
> > > +foo_##OP_NAME##_##VTYPE (VTYPE a) \
> > > +{ \
> > > + return a OP 101; \
> > > +} \
> > > +
> > > +FOO (v4si, add, +);
> > > +FOO (v8si, add, +);
> > > +FOO (v16si, add, +);
> > > +FOO (v2di, add, +);
> > > +FOO (v4di, add, +);
> > > +FOO (v8di, add, +);
> > > +FOO (v4sf, add, +);
> > > +FOO (v8sf, add, +);
> > > +FOO (v16sf, add, +);
> > > +FOO (v2df, add, +);
> > > +FOO (v4df, add, +);
> > > +FOO (v8df, add, +);
> > > +
> > > +FOO (v4si, mul, *);
> > > +FOO (v8si, mul, *);
> > > +FOO (v16si, mul, *);
> > > +FOO (v2di, mul, *);
> > > +FOO (v4di, mul, *);
> > > +FOO (v8di, mul, *);
> > > +FOO (v4sf, mul, *);
> > > +FOO (v8sf, mul, *);
> > > +FOO (v16sf, mul, *);
> > > +FOO (v2df, mul, *);
> > > +FOO (v4df, mul, *);
> > > +FOO (v8df, mul, *);
> > > diff --git a/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-2.c b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-2.c
> > > new file mode 100644
> > > index 00000000000..938346743c2
> > > --- /dev/null
> > > +++ b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-2.c
> > > @@ -0,0 +1,54 @@
> > > +/* PR target/87767 */
> > > +/* { dg-do run } */
> > > +/* { dg-options "-O2 -mavx512f -mavx512vl -mavx512dq" } */
> > > +
> > > +#include<stdlib.h>
> > > +#include<stdio.h>
> > > +#include "avx512f-broadcast-pr87767-1.c"
> > > +
> > > +#define TEST(VTYPE, TYPE, N, OP_NAME, OP) \
> > > + do \
> > > + { \
> > > + TYPE exp[N], src[N]; \
> > > + VTYPE res; \
> > > + for (int i = 0; i < N; i++) \
> > > + src[i] = i * i * 107; \
> > > + res = foo_##OP_NAME##_##VTYPE (*(VTYPE*)&src[0]); \
> > > + for (int i = 0; i < N; i ++) \
> > > + exp[i] = src[i] OP 101; \
> > > + for (int j = 0; j < N; j++) \
> > > + { \
> > > + if (res[j] != exp[j]) \
> > > + abort(); \
> > > + } \
> > > + } \
> > > + while (0)
> > > +
> > > +int main()
> > > +{
> > > + TEST (v4si, int, 4, add, +);
> > > + TEST (v8si, int, 8, add, +);
> > > + TEST (v16si, int, 16, add, +);
> > > + TEST (v2di, long long, 2, add, +);
> > > + TEST (v4di, long long, 4, add, +);
> > > + TEST (v8di, long long, 8, add, +);
> > > + TEST (v4sf, float, 4, add, +);
> > > + TEST (v8sf, float, 8, add, +);
> > > + TEST (v16sf, float, 16, add, +);
> > > + TEST (v2df, double, 2, add, +);
> > > + TEST (v4df, double, 4, add, +);
> > > + TEST (v8df, double, 8, add, +);
> > > +
> > > + TEST (v4si, int, 4, mul, *);
> > > + TEST (v8si, int, 8, mul, *);
> > > + TEST (v16si, int, 16, mul, *);
> > > + TEST (v2di, long long, 2, mul, *);
> > > + TEST (v4di, long long, 4, mul, *);
> > > + TEST (v8di, long long, 8, mul, *);
> > > + TEST (v4sf, float, 4, mul, *);
> > > + TEST (v8sf, float, 8, mul, *);
> > > + TEST (v16sf, float, 16, mul, *);
> > > + TEST (v2df, double, 2, mul, *);
> > > + TEST (v4df, double, 4, mul, *);
> > > + TEST (v8df, double, 8, mul, *);
> > > +}
> > > diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c b/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c
> > > new file mode 100644
> > > index 00000000000..ec159a68158
> > > --- /dev/null
> > > +++ b/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c
> > > @@ -0,0 +1,40 @@
> > > +/* PR target/87767 */
> > > +/* { dg-do compile } */
> > > +/* { dg-options "-O2 -mavx512f" } */
> > > +/* { dg-final { scan-assembler-not "\\\{1to\[248\]\\\}" } } */
> > > +/* { dg-final { scan-assembler-not "\\\{1to16\\\}" } } */
> > > +
> > > +typedef int v4si __attribute__ ((vector_size (16)));
> > > +typedef int v8si __attribute__ ((vector_size (32)));
> > > +typedef long long v2di __attribute__ ((vector_size (16)));
> > > +typedef long long v4di __attribute__ ((vector_size (32)));
> > > +typedef float v4sf __attribute__ ((vector_size (16)));
> > > +typedef float v8sf __attribute__ ((vector_size (32)));
> > > +typedef double v2df __attribute__ ((vector_size (16)));
> > > +typedef double v4df __attribute__ ((vector_size (32)));
> > > +
> > > +#define FOO(VTYPE, OP_NAME, OP) \
> > > +VTYPE \
> > > + __attribute__ ((noipa)) \
> > > +foo_##OP_NAME##_##VTYPE (VTYPE a) \
> > > +{ \
> > > + return a OP 101; \
> > > +} \
> > > +
> > > +FOO (v4si, add, +);
> > > +FOO (v8si, add, +);
> > > +FOO (v2di, add, +);
> > > +FOO (v4di, add, +);
> > > +FOO (v4sf, add, +);
> > > +FOO (v8sf, add, +);
> > > +FOO (v2df, add, +);
> > > +FOO (v4df, add, +);
> > > +
> > > +FOO (v4si, mul, *);
> > > +FOO (v8si, mul, *);
> > > +FOO (v2di, mul, *);
> > > +FOO (v4di, mul, *);
> > > +FOO (v4sf, mul, *);
> > > +FOO (v8sf, mul, *);
> > > +FOO (v2df, mul, *);
> > > +FOO (v4df, mul, *);
> > > diff --git a/gcc/testsuite/gcc.target/i386/pr92865-1.c b/gcc/testsuite/gcc.target/i386/pr92865-1.c
> > > index 49b5778a067..a37487d9af7 100644
> > > --- a/gcc/testsuite/gcc.target/i386/pr92865-1.c
> > > +++ b/gcc/testsuite/gcc.target/i386/pr92865-1.c
> > > @@ -3,10 +3,11 @@
> > > /* { dg-options "-Ofast -mavx512f -mavx512bw -mxop" } */
> > > /* { dg-final { scan-assembler-times "vpcmp\[bwdq\]\[\t ]" 4 } } */
> > > /* { dg-final { scan-assembler-times "vpcmpu\[bwdq\]\[\t ]" 4 } } */
> > > -/* { dg-final { scan-assembler-times "vmovdq\[au\]8\[\t ]" 4 } } */
> > > -/* { dg-final { scan-assembler-times "vmovdq\[au\]16\[\t ]" 4 } } *
> > > -/* { dg-final { scan-assembler-times "vmovdq\[au\]32\[\t ]" 4 } } */
> > > -/* { dg-final { scan-assembler-times "vmovdq\[au\]64\[\t ]" 4 } } */
> > > +/* { dg-final { scan-assembler-times "vmovdq\[au\]8\[\t ]" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vmovdq\[au\]16\[\t ]" 2 } } *
> > > +/* { dg-final { scan-assembler-times "vmovdq\[au\]32\[\t ]" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vmovdq\[au\]64\[\t ]" 2 } } */
> > > +/* { dg-final { scan-assembler-times "vpbroadcast\[bwqd\]\[\t ]" 16 } } */
> > >
> > > extern char arraysb[64];
> > > extern short arraysw[32];
> > > --
> > > 2.18.1
> > >
> >
>
>
> --
> BR,
> Hongtao
--
BR,
Hongtao
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