Message ID | 20240717012504.654910-1-hongtao.liu@intel.com |
---|---|
State | New |
Headers | show |
Series | [x86,avx512] Optimize maskstore when mask is 0 or -1 in UNSPEC_MASKMOV | expand |
On Wed, Jul 17, 2024 at 3:27 AM liuhongt <hongtao.liu@intel.com> wrote: > > Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. > Ready push to trunk. > > gcc/ChangeLog: > > PR target/115843 > * config/i386/predicates.md (const0_or_m1_operand): New > predicate. > * config/i386/sse.md (*<avx512>_store<mode>_mask_1): New > pre_reload define_insn_and_split. > (V): Add V32BF,V16BF,V8BF. > (V4SF_V8BF): Rename to .. > (V24F_128): .. this. > (*vec_concat<mode>): Adjust with V24F_128. > (*vec_concat<mode>_0): Ditto. > > gcc/testsuite/ChangeLog: > > * gcc.target/i386/pr115843.c: New test. > --- > gcc/config/i386/predicates.md | 5 ++++ > gcc/config/i386/sse.md | 32 ++++++++++++++++---- > gcc/testsuite/gcc.target/i386/pr115843.c | 38 ++++++++++++++++++++++++ > 3 files changed, 69 insertions(+), 6 deletions(-) > create mode 100644 gcc/testsuite/gcc.target/i386/pr115843.c > > diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md > index 5d0bb1e0f54..680594871de 100644 > --- a/gcc/config/i386/predicates.md > +++ b/gcc/config/i386/predicates.md > @@ -825,6 +825,11 @@ (define_predicate "constm1_operand" > (and (match_code "const_int") > (match_test "op == constm1_rtx"))) > > +;; Match 0 or -1. > +(define_predicate "const0_or_m1_operand" > + (ior (match_operand 0 "const0_operand") > + (match_operand 0 "constm1_operand"))) > + > ;; Match exactly eight. > (define_predicate "const8_operand" > (and (match_code "const_int") > diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md > index e44822f705b..e11610f4b88 100644 > --- a/gcc/config/i386/sse.md > +++ b/gcc/config/i386/sse.md > @@ -294,6 +294,7 @@ (define_mode_iterator V > (V16SI "TARGET_AVX512F && TARGET_EVEX512") (V8SI "TARGET_AVX") V4SI > (V8DI "TARGET_AVX512F && TARGET_EVEX512") (V4DI "TARGET_AVX") V2DI > (V32HF "TARGET_AVX512F && TARGET_EVEX512") (V16HF "TARGET_AVX") V8HF > + (V32BF "TARGET_AVX512F && TARGET_EVEX512") (V16BF "TARGET_AVX") V8BF > (V16SF "TARGET_AVX512F && TARGET_EVEX512") (V8SF "TARGET_AVX") V4SF > (V8DF "TARGET_AVX512F && TARGET_EVEX512") (V4DF "TARGET_AVX") (V2DF "TARGET_SSE2")]) > > @@ -430,8 +431,8 @@ (define_mode_iterator VFB_512 > (V16SF "TARGET_EVEX512") > (V8DF "TARGET_EVEX512")]) > > -(define_mode_iterator V4SF_V8HF > - [V4SF V8HF]) > +(define_mode_iterator V24F_128 > + [V4SF V8HF V8BF]) > > (define_mode_iterator VI48_AVX512VL > [(V16SI "TARGET_EVEX512") (V8SI "TARGET_AVX512VL") (V4SI "TARGET_AVX512VL") > @@ -11543,8 +11544,8 @@ (define_insn "*vec_concatv2sf_sse" > (set_attr "mode" "V4SF,SF,DI,DI")]) > > (define_insn "*vec_concat<mode>" > - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=x,v,x,v") > - (vec_concat:V4SF_V8HF > + [(set (match_operand:V24F_128 0 "register_operand" "=x,v,x,v") > + (vec_concat:V24F_128 > (match_operand:<ssehalfvecmode> 1 "register_operand" " 0,v,0,v") > (match_operand:<ssehalfvecmode> 2 "nonimmediate_operand" " x,v,m,m")))] > "TARGET_SSE" > @@ -11559,8 +11560,8 @@ (define_insn "*vec_concat<mode>" > (set_attr "mode" "V4SF,V4SF,V2SF,V2SF")]) > > (define_insn "*vec_concat<mode>_0" > - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=v") > - (vec_concat:V4SF_V8HF > + [(set (match_operand:V24F_128 0 "register_operand" "=v") > + (vec_concat:V24F_128 > (match_operand:<ssehalfvecmode> 1 "nonimmediate_operand" "vm") > (match_operand:<ssehalfvecmode> 2 "const0_operand")))] > "TARGET_SSE2" > @@ -28574,6 +28575,25 @@ (define_insn "<avx512>_store<mode>_mask" > (set_attr "memory" "store") > (set_attr "mode" "<sseinsnmode>")]) > > +(define_insn_and_split "*<avx512>_store<mode>_mask_1" > + [(set (match_operand:V 0 "memory_operand") > + (unspec:V > + [(match_operand:V 1 "register_operand") > + (match_dup 0) > + (match_operand:<avx512fmaskmode> 2 "const0_or_m1_operand")] > + UNSPEC_MASKMOV))] > + "TARGET_AVX512F" Please add "ix86_pre_reload_split ()" condition to insn constraint for instructions that have to be split before reload. Uros. > + "#" > + "&& 1" > + [(const_int 0)] > +{ > + if (constm1_operand (operands[2], <MODE>mode)) > + { > + emit_move_insn (operands[0], operands[1]); > + DONE; > + } > +}) > + > (define_expand "cbranch<mode>4" > [(set (reg:CC FLAGS_REG) > (compare:CC (match_operand:VI_AVX_AVX512F 1 "register_operand") > diff --git a/gcc/testsuite/gcc.target/i386/pr115843.c b/gcc/testsuite/gcc.target/i386/pr115843.c > new file mode 100644 > index 00000000000..00d8605757a > --- /dev/null > +++ b/gcc/testsuite/gcc.target/i386/pr115843.c > @@ -0,0 +1,38 @@ > +/* { dg-do compile } */ > +/* { dg-options "-O3 -mavx512vl --param vect-partial-vector-usage=2 -mtune=znver5 -mprefer-vector-width=512" } */ > +/* { dg-final { scan-assembler-not "kxor\[bw]" } } */ > + > +typedef unsigned long long BITBOARD; > +BITBOARD KingPressureMask1[64], KingSafetyMask1[64]; > + > +void __attribute__((noinline)) > +foo() > +{ > + int i; > + > + for (i = 0; i < 64; i++) { > + if ((i & 7) == 0) { > + KingPressureMask1[i] = KingSafetyMask1[i + 1]; > + } else if ((i & 7) == 7) { > + KingPressureMask1[i] = KingSafetyMask1[i - 1]; > + } else { > + KingPressureMask1[i] = KingSafetyMask1[i]; > + } > + } > +} > + > +BITBOARD verify[64] = {1, 1, 2, 3, 4, 5, 6, 6, 9, 9, 10, 11, 12, 13, 14, 14, 17, 17, 18, 19, > + 20, 21, 22, 22, 25, 25, 26, 27, 28, 29, 30, 30, 33, 33, 34, 35, 36, 37, 38, > + 38, 41, 41, 42, 43, 44, 45, 46, 46, 49, 49, 50, 51, 52, 53, 54, 54, 57, 57, > + 58, 59, 60, 61, 62, 62}; > + > +int main() > +{ > + for (int i = 0; i < 64; ++i) > + KingSafetyMask1[i] = i; > + foo (); > + for (int i = 0; i < 64; ++i) > + if (KingPressureMask1[i] != verify[i]) > + __builtin_abort (); > + return 0; > +} > -- > 2.31.1 >
> -----Original Message----- > From: Uros Bizjak <ubizjak@gmail.com> > Sent: Wednesday, July 17, 2024 2:52 PM > To: Liu, Hongtao <hongtao.liu@intel.com> > Cc: gcc-patches@gcc.gnu.org; crazylht@gmail.com; hjl.tools@gmail.com > Subject: Re: [PATCH] [x86][avx512] Optimize maskstore when mask is 0 or -1 > in UNSPEC_MASKMOV > > On Wed, Jul 17, 2024 at 3:27 AM liuhongt <hongtao.liu@intel.com> wrote: > > > > Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. > > Ready push to trunk. > > > > gcc/ChangeLog: > > > > PR target/115843 > > * config/i386/predicates.md (const0_or_m1_operand): New > > predicate. > > * config/i386/sse.md (*<avx512>_store<mode>_mask_1): New > > pre_reload define_insn_and_split. > > (V): Add V32BF,V16BF,V8BF. > > (V4SF_V8BF): Rename to .. > > (V24F_128): .. this. > > (*vec_concat<mode>): Adjust with V24F_128. > > (*vec_concat<mode>_0): Ditto. > > > > gcc/testsuite/ChangeLog: > > > > * gcc.target/i386/pr115843.c: New test. > > --- > > gcc/config/i386/predicates.md | 5 ++++ > > gcc/config/i386/sse.md | 32 ++++++++++++++++---- > > gcc/testsuite/gcc.target/i386/pr115843.c | 38 > > ++++++++++++++++++++++++ > > 3 files changed, 69 insertions(+), 6 deletions(-) create mode 100644 > > gcc/testsuite/gcc.target/i386/pr115843.c > > > > diff --git a/gcc/config/i386/predicates.md > > b/gcc/config/i386/predicates.md index 5d0bb1e0f54..680594871de > 100644 > > --- a/gcc/config/i386/predicates.md > > +++ b/gcc/config/i386/predicates.md > > @@ -825,6 +825,11 @@ (define_predicate "constm1_operand" > > (and (match_code "const_int") > > (match_test "op == constm1_rtx"))) > > > > +;; Match 0 or -1. > > +(define_predicate "const0_or_m1_operand" > > + (ior (match_operand 0 "const0_operand") > > + (match_operand 0 "constm1_operand"))) > > + > > ;; Match exactly eight. > > (define_predicate "const8_operand" > > (and (match_code "const_int") > > diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index > > e44822f705b..e11610f4b88 100644 > > --- a/gcc/config/i386/sse.md > > +++ b/gcc/config/i386/sse.md > > @@ -294,6 +294,7 @@ (define_mode_iterator V > > (V16SI "TARGET_AVX512F && TARGET_EVEX512") (V8SI "TARGET_AVX") > V4SI > > (V8DI "TARGET_AVX512F && TARGET_EVEX512") (V4DI "TARGET_AVX") > V2DI > > (V32HF "TARGET_AVX512F && TARGET_EVEX512") (V16HF > "TARGET_AVX") > > V8HF > > + (V32BF "TARGET_AVX512F && TARGET_EVEX512") (V16BF > "TARGET_AVX") > > + V8BF > > (V16SF "TARGET_AVX512F && TARGET_EVEX512") (V8SF "TARGET_AVX") > V4SF > > (V8DF "TARGET_AVX512F && TARGET_EVEX512") (V4DF "TARGET_AVX") > > (V2DF "TARGET_SSE2")]) > > > > @@ -430,8 +431,8 @@ (define_mode_iterator VFB_512 > > (V16SF "TARGET_EVEX512") > > (V8DF "TARGET_EVEX512")]) > > > > -(define_mode_iterator V4SF_V8HF > > - [V4SF V8HF]) > > +(define_mode_iterator V24F_128 > > + [V4SF V8HF V8BF]) > > > > (define_mode_iterator VI48_AVX512VL > > [(V16SI "TARGET_EVEX512") (V8SI "TARGET_AVX512VL") (V4SI > > "TARGET_AVX512VL") @@ -11543,8 +11544,8 @@ (define_insn > "*vec_concatv2sf_sse" > > (set_attr "mode" "V4SF,SF,DI,DI")]) > > > > (define_insn "*vec_concat<mode>" > > - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=x,v,x,v") > > - (vec_concat:V4SF_V8HF > > + [(set (match_operand:V24F_128 0 "register_operand" "=x,v,x,v") > > + (vec_concat:V24F_128 > > (match_operand:<ssehalfvecmode> 1 "register_operand" " 0,v,0,v") > > (match_operand:<ssehalfvecmode> 2 "nonimmediate_operand" " > x,v,m,m")))] > > "TARGET_SSE" > > @@ -11559,8 +11560,8 @@ (define_insn "*vec_concat<mode>" > > (set_attr "mode" "V4SF,V4SF,V2SF,V2SF")]) > > > > (define_insn "*vec_concat<mode>_0" > > - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=v") > > - (vec_concat:V4SF_V8HF > > + [(set (match_operand:V24F_128 0 "register_operand" "=v") > > + (vec_concat:V24F_128 > > (match_operand:<ssehalfvecmode> 1 "nonimmediate_operand" "vm") > > (match_operand:<ssehalfvecmode> 2 "const0_operand")))] > > "TARGET_SSE2" > > @@ -28574,6 +28575,25 @@ (define_insn > "<avx512>_store<mode>_mask" > > (set_attr "memory" "store") > > (set_attr "mode" "<sseinsnmode>")]) > > > > +(define_insn_and_split "*<avx512>_store<mode>_mask_1" > > + [(set (match_operand:V 0 "memory_operand") > > + (unspec:V > > + [(match_operand:V 1 "register_operand") > > + (match_dup 0) > > + (match_operand:<avx512fmaskmode> 2 "const0_or_m1_operand")] > > + UNSPEC_MASKMOV))] > > + "TARGET_AVX512F" > > Please add "ix86_pre_reload_split ()" condition to insn constraint for > instructions that have to be split before reload. Yes, thanks for the remainder 😊 > > Uros. > > > + "#" > > + "&& 1" > > + [(const_int 0)] > > +{ > > + if (constm1_operand (operands[2], <MODE>mode)) > > + { > > + emit_move_insn (operands[0], operands[1]); > > + DONE; > > + } > > +}) > > + > > (define_expand "cbranch<mode>4" > > [(set (reg:CC FLAGS_REG) > > (compare:CC (match_operand:VI_AVX_AVX512F 1 > > "register_operand") diff --git > > a/gcc/testsuite/gcc.target/i386/pr115843.c > > b/gcc/testsuite/gcc.target/i386/pr115843.c > > new file mode 100644 > > index 00000000000..00d8605757a > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr115843.c > > @@ -0,0 +1,38 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -mavx512vl --param vect-partial-vector-usage=2 > > +-mtune=znver5 -mprefer-vector-width=512" } */ > > +/* { dg-final { scan-assembler-not "kxor\[bw]" } } */ > > + > > +typedef unsigned long long BITBOARD; > > +BITBOARD KingPressureMask1[64], KingSafetyMask1[64]; > > + > > +void __attribute__((noinline)) > > +foo() > > +{ > > + int i; > > + > > + for (i = 0; i < 64; i++) { > > + if ((i & 7) == 0) { > > + KingPressureMask1[i] = KingSafetyMask1[i + 1]; > > + } else if ((i & 7) == 7) { > > + KingPressureMask1[i] = KingSafetyMask1[i - 1]; > > + } else { > > + KingPressureMask1[i] = KingSafetyMask1[i]; > > + } > > + } > > +} > > + > > +BITBOARD verify[64] = {1, 1, 2, 3, 4, 5, 6, 6, 9, 9, 10, 11, 12, 13, > > +14, 14, 17, 17, 18, 19, > > + 20, 21, 22, 22, 25, 25, 26, 27, 28, 29, 30, 30, 33, 33, 34, 35, 36, > > +37, 38, > > + 38, 41, 41, 42, 43, 44, 45, 46, 46, 49, 49, 50, 51, 52, 53, 54, 54, > > +57, 57, > > + 58, 59, 60, 61, 62, 62}; > > + > > +int main() > > +{ > > + for (int i = 0; i < 64; ++i) > > + KingSafetyMask1[i] = i; > > + foo (); > > + for (int i = 0; i < 64; ++i) > > + if (KingPressureMask1[i] != verify[i]) > > + __builtin_abort (); > > + return 0; > > +} > > -- > > 2.31.1 > >
On Wed, Jul 17, 2024 at 8:54 AM Liu, Hongtao <hongtao.liu@intel.com> wrote: > > > > > -----Original Message----- > > From: Uros Bizjak <ubizjak@gmail.com> > > Sent: Wednesday, July 17, 2024 2:52 PM > > To: Liu, Hongtao <hongtao.liu@intel.com> > > Cc: gcc-patches@gcc.gnu.org; crazylht@gmail.com; hjl.tools@gmail.com > > Subject: Re: [PATCH] [x86][avx512] Optimize maskstore when mask is 0 or -1 > > in UNSPEC_MASKMOV > > > > On Wed, Jul 17, 2024 at 3:27 AM liuhongt <hongtao.liu@intel.com> wrote: > > > > > > Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. > > > Ready push to trunk. > > > > > > gcc/ChangeLog: > > > > > > PR target/115843 > > > * config/i386/predicates.md (const0_or_m1_operand): New > > > predicate. > > > * config/i386/sse.md (*<avx512>_store<mode>_mask_1): New > > > pre_reload define_insn_and_split. > > > (V): Add V32BF,V16BF,V8BF. > > > (V4SF_V8BF): Rename to .. > > > (V24F_128): .. this. > > > (*vec_concat<mode>): Adjust with V24F_128. > > > (*vec_concat<mode>_0): Ditto. > > > > > > gcc/testsuite/ChangeLog: > > > > > > * gcc.target/i386/pr115843.c: New test. > > > --- > > > gcc/config/i386/predicates.md | 5 ++++ > > > gcc/config/i386/sse.md | 32 ++++++++++++++++---- > > > gcc/testsuite/gcc.target/i386/pr115843.c | 38 > > > ++++++++++++++++++++++++ > > > 3 files changed, 69 insertions(+), 6 deletions(-) create mode 100644 > > > gcc/testsuite/gcc.target/i386/pr115843.c > > > > > > diff --git a/gcc/config/i386/predicates.md > > > b/gcc/config/i386/predicates.md index 5d0bb1e0f54..680594871de > > 100644 > > > --- a/gcc/config/i386/predicates.md > > > +++ b/gcc/config/i386/predicates.md > > > @@ -825,6 +825,11 @@ (define_predicate "constm1_operand" > > > (and (match_code "const_int") > > > (match_test "op == constm1_rtx"))) > > > > > > +;; Match 0 or -1. > > > +(define_predicate "const0_or_m1_operand" > > > + (ior (match_operand 0 "const0_operand") > > > + (match_operand 0 "constm1_operand"))) > > > + > > > ;; Match exactly eight. > > > (define_predicate "const8_operand" > > > (and (match_code "const_int") > > > diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index > > > e44822f705b..e11610f4b88 100644 > > > --- a/gcc/config/i386/sse.md > > > +++ b/gcc/config/i386/sse.md > > > @@ -294,6 +294,7 @@ (define_mode_iterator V > > > (V16SI "TARGET_AVX512F && TARGET_EVEX512") (V8SI "TARGET_AVX") > > V4SI > > > (V8DI "TARGET_AVX512F && TARGET_EVEX512") (V4DI "TARGET_AVX") > > V2DI > > > (V32HF "TARGET_AVX512F && TARGET_EVEX512") (V16HF > > "TARGET_AVX") > > > V8HF > > > + (V32BF "TARGET_AVX512F && TARGET_EVEX512") (V16BF > > "TARGET_AVX") > > > + V8BF > > > (V16SF "TARGET_AVX512F && TARGET_EVEX512") (V8SF "TARGET_AVX") > > V4SF > > > (V8DF "TARGET_AVX512F && TARGET_EVEX512") (V4DF "TARGET_AVX") > > > (V2DF "TARGET_SSE2")]) > > > > > > @@ -430,8 +431,8 @@ (define_mode_iterator VFB_512 > > > (V16SF "TARGET_EVEX512") > > > (V8DF "TARGET_EVEX512")]) > > > > > > -(define_mode_iterator V4SF_V8HF > > > - [V4SF V8HF]) > > > +(define_mode_iterator V24F_128 > > > + [V4SF V8HF V8BF]) > > > > > > (define_mode_iterator VI48_AVX512VL > > > [(V16SI "TARGET_EVEX512") (V8SI "TARGET_AVX512VL") (V4SI > > > "TARGET_AVX512VL") @@ -11543,8 +11544,8 @@ (define_insn > > "*vec_concatv2sf_sse" > > > (set_attr "mode" "V4SF,SF,DI,DI")]) > > > > > > (define_insn "*vec_concat<mode>" > > > - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=x,v,x,v") > > > - (vec_concat:V4SF_V8HF > > > + [(set (match_operand:V24F_128 0 "register_operand" "=x,v,x,v") > > > + (vec_concat:V24F_128 > > > (match_operand:<ssehalfvecmode> 1 "register_operand" " 0,v,0,v") > > > (match_operand:<ssehalfvecmode> 2 "nonimmediate_operand" " > > x,v,m,m")))] > > > "TARGET_SSE" > > > @@ -11559,8 +11560,8 @@ (define_insn "*vec_concat<mode>" > > > (set_attr "mode" "V4SF,V4SF,V2SF,V2SF")]) > > > > > > (define_insn "*vec_concat<mode>_0" > > > - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=v") > > > - (vec_concat:V4SF_V8HF > > > + [(set (match_operand:V24F_128 0 "register_operand" "=v") > > > + (vec_concat:V24F_128 > > > (match_operand:<ssehalfvecmode> 1 "nonimmediate_operand" "vm") > > > (match_operand:<ssehalfvecmode> 2 "const0_operand")))] > > > "TARGET_SSE2" > > > @@ -28574,6 +28575,25 @@ (define_insn > > "<avx512>_store<mode>_mask" > > > (set_attr "memory" "store") > > > (set_attr "mode" "<sseinsnmode>")]) > > > > > > +(define_insn_and_split "*<avx512>_store<mode>_mask_1" > > > + [(set (match_operand:V 0 "memory_operand") > > > + (unspec:V > > > + [(match_operand:V 1 "register_operand") > > > + (match_dup 0) > > > + (match_operand:<avx512fmaskmode> 2 "const0_or_m1_operand")] > > > + UNSPEC_MASKMOV))] > > > + "TARGET_AVX512F" > > > > Please add "ix86_pre_reload_split ()" condition to insn constraint for > > instructions that have to be split before reload. > Yes, thanks for the remainder 😊 > > > > Uros. > > > > > + "#" > > > + "&& 1" > > > + [(const_int 0)] > > > +{ > > > + if (constm1_operand (operands[2], <MODE>mode)) > > > + { > > > + emit_move_insn (operands[0], operands[1]); > > > + DONE; > > > + } > > > +}) Also, in case the insn is deleted, do: emit_note (NOTE_INSN_DELETED); DONE; instead of leaving (const_int 0) in the stream. So, the above insn preparation statements should read: --cut here-- if (constm1_operand (operands[2], <MODE>mode)) emit_move_insn (operands[0], operands[1]); else emit_note (NOTE_INSN_DELETED); DONE; --cut here-- Uros. > > > + > > > (define_expand "cbranch<mode>4" > > > [(set (reg:CC FLAGS_REG) > > > (compare:CC (match_operand:VI_AVX_AVX512F 1 > > > "register_operand") diff --git > > > a/gcc/testsuite/gcc.target/i386/pr115843.c > > > b/gcc/testsuite/gcc.target/i386/pr115843.c > > > new file mode 100644 > > > index 00000000000..00d8605757a > > > --- /dev/null > > > +++ b/gcc/testsuite/gcc.target/i386/pr115843.c > > > @@ -0,0 +1,38 @@ > > > +/* { dg-do compile } */ > > > +/* { dg-options "-O3 -mavx512vl --param vect-partial-vector-usage=2 > > > +-mtune=znver5 -mprefer-vector-width=512" } */ > > > +/* { dg-final { scan-assembler-not "kxor\[bw]" } } */ > > > + > > > +typedef unsigned long long BITBOARD; > > > +BITBOARD KingPressureMask1[64], KingSafetyMask1[64]; > > > + > > > +void __attribute__((noinline)) > > > +foo() > > > +{ > > > + int i; > > > + > > > + for (i = 0; i < 64; i++) { > > > + if ((i & 7) == 0) { > > > + KingPressureMask1[i] = KingSafetyMask1[i + 1]; > > > + } else if ((i & 7) == 7) { > > > + KingPressureMask1[i] = KingSafetyMask1[i - 1]; > > > + } else { > > > + KingPressureMask1[i] = KingSafetyMask1[i]; > > > + } > > > + } > > > +} > > > + > > > +BITBOARD verify[64] = {1, 1, 2, 3, 4, 5, 6, 6, 9, 9, 10, 11, 12, 13, > > > +14, 14, 17, 17, 18, 19, > > > + 20, 21, 22, 22, 25, 25, 26, 27, 28, 29, 30, 30, 33, 33, 34, 35, 36, > > > +37, 38, > > > + 38, 41, 41, 42, 43, 44, 45, 46, 46, 49, 49, 50, 51, 52, 53, 54, 54, > > > +57, 57, > > > + 58, 59, 60, 61, 62, 62}; > > > + > > > +int main() > > > +{ > > > + for (int i = 0; i < 64; ++i) > > > + KingSafetyMask1[i] = i; > > > + foo (); > > > + for (int i = 0; i < 64; ++i) > > > + if (KingPressureMask1[i] != verify[i]) > > > + __builtin_abort (); > > > + return 0; > > > +} > > > -- > > > 2.31.1 > > >
diff --git a/gcc/config/i386/predicates.md b/gcc/config/i386/predicates.md index 5d0bb1e0f54..680594871de 100644 --- a/gcc/config/i386/predicates.md +++ b/gcc/config/i386/predicates.md @@ -825,6 +825,11 @@ (define_predicate "constm1_operand" (and (match_code "const_int") (match_test "op == constm1_rtx"))) +;; Match 0 or -1. +(define_predicate "const0_or_m1_operand" + (ior (match_operand 0 "const0_operand") + (match_operand 0 "constm1_operand"))) + ;; Match exactly eight. (define_predicate "const8_operand" (and (match_code "const_int") diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index e44822f705b..e11610f4b88 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -294,6 +294,7 @@ (define_mode_iterator V (V16SI "TARGET_AVX512F && TARGET_EVEX512") (V8SI "TARGET_AVX") V4SI (V8DI "TARGET_AVX512F && TARGET_EVEX512") (V4DI "TARGET_AVX") V2DI (V32HF "TARGET_AVX512F && TARGET_EVEX512") (V16HF "TARGET_AVX") V8HF + (V32BF "TARGET_AVX512F && TARGET_EVEX512") (V16BF "TARGET_AVX") V8BF (V16SF "TARGET_AVX512F && TARGET_EVEX512") (V8SF "TARGET_AVX") V4SF (V8DF "TARGET_AVX512F && TARGET_EVEX512") (V4DF "TARGET_AVX") (V2DF "TARGET_SSE2")]) @@ -430,8 +431,8 @@ (define_mode_iterator VFB_512 (V16SF "TARGET_EVEX512") (V8DF "TARGET_EVEX512")]) -(define_mode_iterator V4SF_V8HF - [V4SF V8HF]) +(define_mode_iterator V24F_128 + [V4SF V8HF V8BF]) (define_mode_iterator VI48_AVX512VL [(V16SI "TARGET_EVEX512") (V8SI "TARGET_AVX512VL") (V4SI "TARGET_AVX512VL") @@ -11543,8 +11544,8 @@ (define_insn "*vec_concatv2sf_sse" (set_attr "mode" "V4SF,SF,DI,DI")]) (define_insn "*vec_concat<mode>" - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=x,v,x,v") - (vec_concat:V4SF_V8HF + [(set (match_operand:V24F_128 0 "register_operand" "=x,v,x,v") + (vec_concat:V24F_128 (match_operand:<ssehalfvecmode> 1 "register_operand" " 0,v,0,v") (match_operand:<ssehalfvecmode> 2 "nonimmediate_operand" " x,v,m,m")))] "TARGET_SSE" @@ -11559,8 +11560,8 @@ (define_insn "*vec_concat<mode>" (set_attr "mode" "V4SF,V4SF,V2SF,V2SF")]) (define_insn "*vec_concat<mode>_0" - [(set (match_operand:V4SF_V8HF 0 "register_operand" "=v") - (vec_concat:V4SF_V8HF + [(set (match_operand:V24F_128 0 "register_operand" "=v") + (vec_concat:V24F_128 (match_operand:<ssehalfvecmode> 1 "nonimmediate_operand" "vm") (match_operand:<ssehalfvecmode> 2 "const0_operand")))] "TARGET_SSE2" @@ -28574,6 +28575,25 @@ (define_insn "<avx512>_store<mode>_mask" (set_attr "memory" "store") (set_attr "mode" "<sseinsnmode>")]) +(define_insn_and_split "*<avx512>_store<mode>_mask_1" + [(set (match_operand:V 0 "memory_operand") + (unspec:V + [(match_operand:V 1 "register_operand") + (match_dup 0) + (match_operand:<avx512fmaskmode> 2 "const0_or_m1_operand")] + UNSPEC_MASKMOV))] + "TARGET_AVX512F" + "#" + "&& 1" + [(const_int 0)] +{ + if (constm1_operand (operands[2], <MODE>mode)) + { + emit_move_insn (operands[0], operands[1]); + DONE; + } +}) + (define_expand "cbranch<mode>4" [(set (reg:CC FLAGS_REG) (compare:CC (match_operand:VI_AVX_AVX512F 1 "register_operand") diff --git a/gcc/testsuite/gcc.target/i386/pr115843.c b/gcc/testsuite/gcc.target/i386/pr115843.c new file mode 100644 index 00000000000..00d8605757a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr115843.c @@ -0,0 +1,38 @@ +/* { dg-do compile } */ +/* { dg-options "-O3 -mavx512vl --param vect-partial-vector-usage=2 -mtune=znver5 -mprefer-vector-width=512" } */ +/* { dg-final { scan-assembler-not "kxor\[bw]" } } */ + +typedef unsigned long long BITBOARD; +BITBOARD KingPressureMask1[64], KingSafetyMask1[64]; + +void __attribute__((noinline)) +foo() +{ + int i; + + for (i = 0; i < 64; i++) { + if ((i & 7) == 0) { + KingPressureMask1[i] = KingSafetyMask1[i + 1]; + } else if ((i & 7) == 7) { + KingPressureMask1[i] = KingSafetyMask1[i - 1]; + } else { + KingPressureMask1[i] = KingSafetyMask1[i]; + } + } +} + +BITBOARD verify[64] = {1, 1, 2, 3, 4, 5, 6, 6, 9, 9, 10, 11, 12, 13, 14, 14, 17, 17, 18, 19, + 20, 21, 22, 22, 25, 25, 26, 27, 28, 29, 30, 30, 33, 33, 34, 35, 36, 37, 38, + 38, 41, 41, 42, 43, 44, 45, 46, 46, 49, 49, 50, 51, 52, 53, 54, 54, 57, 57, + 58, 59, 60, 61, 62, 62}; + +int main() +{ + for (int i = 0; i < 64; ++i) + KingSafetyMask1[i] = i; + foo (); + for (int i = 0; i < 64; ++i) + if (KingPressureMask1[i] != verify[i]) + __builtin_abort (); + return 0; +}