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From: William Schmidt <wschmidt@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/wschmidt/heads/sibfix)] Add expander for movp2hi and movp2qi. Date: Fri, 28 Aug 2020 13:44:28 +0000 (GMT) [thread overview] Message-ID: <20200828134428.6D2CD3943541@sourceware.org> (raw) https://gcc.gnu.org/g:58d6eea0e0754351b399a4b85562f81326a184ad commit 58d6eea0e0754351b399a4b85562f81326a184ad Author: liuhongt <hongtao.liu@intel.com> Date: Wed Aug 26 15:24:10 2020 +0800 Add expander for movp2hi and movp2qi. 2020-08-30 Uros Bizjak <ubizjak@gmail.com> gcc/ChangeLog: PR target/96744 * config/i386/i386-expand.c (split_double_mode): Also handle E_P2HImode and E_P2QImode. * config/i386/sse.md (MASK_DWI): New define_mode_iterator. (mov<mode>): New expander for P2HI,P2QI. (*mov<mode>_internal): New define_insn_and_split to split movement of P2QI/P2HI to 2 movqi/movhi patterns after reload. gcc/testsuite/ChangeLog: * gcc.target/i386/double_mask_reg-1.c: New test. Diff: --- gcc/config/i386/i386-expand.c | 6 ++++++ gcc/config/i386/sse.md | 24 +++++++++++++++++++++++ gcc/testsuite/gcc.target/i386/double_mask_reg-1.c | 19 ++++++++++++++++++ 3 files changed, 49 insertions(+) diff --git a/gcc/config/i386/i386-expand.c b/gcc/config/i386/i386-expand.c index a284f7e5bb4..e6f8b314f18 100644 --- a/gcc/config/i386/i386-expand.c +++ b/gcc/config/i386/i386-expand.c @@ -116,6 +116,12 @@ split_double_mode (machine_mode mode, rtx operands[], case E_DImode: half_mode = SImode; break; + case E_P2HImode: + half_mode = HImode; + break; + case E_P2QImode: + half_mode = QImode; + break; default: gcc_unreachable (); } diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 380dc453b0d..44aa61d87fb 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -23463,6 +23463,30 @@ (V4DI "TARGET_AVX512VL") (V2DI "TARGET_AVX512VL") (V8SI "TARGET_AVX512VL") (V4SI "TARGET_AVX512VL")]) +(define_mode_iterator MASK_DWI [P2QI P2HI]) + +(define_expand "mov<mode>" + [(set (match_operand:MASK_DWI 0 "nonimmediate_operand") + (match_operand:MASK_DWI 1 "nonimmediate_operand"))] + "TARGET_AVX512VP2INTERSECT" +{ + if (MEM_P (operands[1]) && MEM_P (operands[2])) + operands[1] = force_reg (<MODE>mode, operands[1]); +}) + +(define_insn_and_split "*mov<mode>_internal" + [(set (match_operand:MASK_DWI 0 "nonimmediate_operand" "=k,o") + (match_operand:MASK_DWI 1 "nonimmediate_operand" "ko,k"))] + "TARGET_AVX512VP2INTERSECT + && !(MEM_P (operands[0]) && MEM_P (operands[1]))" + "#" + "&& reload_completed" + [(set (match_dup 0) (match_dup 1)) + (set (match_dup 2) (match_dup 3))] +{ + split_double_mode (<MODE>mode, &operands[0], 2, &operands[0], &operands[2]); +}) + (define_insn "avx512vp2intersect_2intersect<mode>" [(set (match_operand:P2QI 0 "register_operand" "=k") (unspec:P2QI diff --git a/gcc/testsuite/gcc.target/i386/double_mask_reg-1.c b/gcc/testsuite/gcc.target/i386/double_mask_reg-1.c new file mode 100644 index 00000000000..79ba1ce2926 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/double_mask_reg-1.c @@ -0,0 +1,19 @@ +/* PR target/96744 */ +/* { dg-do compile } */ +/* { dg-options "-mavx512vp2intersect -O2" } */ + +#include<immintrin.h> +void +_mm512_2intersect_epi64_cut (__m512i __A, __m512i __B, __mmask8 *__U, + __mmask8 *__M) +{ + __builtin_ia32_2intersectq512 (__U, __M, (__v8di) __A, (__v8di) __B); +} + +void +_mm512_2intersect_epi32_cut (__m512i __A, __m512i __B, __mmask16 *__U, + __mmask16 *__M) +{ + __builtin_ia32_2intersectd512 (__U, __M, (__v16si) __A, (__v16si) __B); +} +
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