From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x42e.google.com (mail-pf1-x42e.google.com [IPv6:2607:f8b0:4864:20::42e]) by sourceware.org (Postfix) with ESMTPS id E4CF2385E83D for ; Thu, 1 Jul 2021 12:42:36 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org E4CF2385E83D Received: by mail-pf1-x42e.google.com with SMTP id b12so4683594pfv.6 for ; Thu, 01 Jul 2021 05:42:36 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=x6pi/3rFXNFNGefNFZ9n/c5gwYnXCEN9xJhphIH3IuI=; b=Rrngwl0b/s9rfRetbAqJIJJgQJzU1SrAm2GTWw/3WZve1Gb6Y74bknlnBwu4l+oYN1 tXLJreXX2SY65L80OzKmB8luPrqLhY4uXZyRsBiCBCqlIryJsXRTGugzDoMQY4wgPpb7 wu6wbDekrTVOExNGMhT0H8r7qcNmH4QBc7usGwJh5JLFnYjNYEh6XwN0qs0W+DqJ1HEm nYabur1ttWi4usRx0M82AlslFQZmGySLgSJZ2cpLwl+7ymzgVskGXOme1L37QHxTQAKA iM7Cx6rdKsAGerhGB3BgfNc233jGzP0QFFxFNabeVD+Zz30tJbfRwEz4q+AnUaP2FUJT f9fQ== X-Gm-Message-State: AOAM532KTkqf/9xK9Pto/4EvtJAh5SQVwEtBJHgnfvE1GH07hCPD3+0z 4zG/VQm9e3m1TTaV42Nl3j2gpe7yiNuNCJAUD1U= X-Google-Smtp-Source: ABdhPJxet2/U2O6OlsODtd9BPKBm5y9kodAlABS+yRJFExC0wg5R8aU528H4V+gAaYDRcQzB8HDA9LFi3yyI6b8a6sw= X-Received: by 2002:a62:1657:0:b029:301:af69:5ae3 with SMTP id 84-20020a6216570000b0290301af695ae3mr41022958pfw.57.1625143355479; Thu, 01 Jul 2021 05:42:35 -0700 (PDT) MIME-Version: 1.0 References: <20210628221625.109189-1-hjl.tools@gmail.com> <20210628221625.109189-2-hjl.tools@gmail.com> In-Reply-To: From: "H.J. Lu" Date: Thu, 1 Jul 2021 05:41:59 -0700 Message-ID: Subject: Re: [PATCH v6 1/2] x86: Convert CONST_WIDE_INT/CONST_VECTOR to broadcast To: Hongtao Liu Cc: GCC Patches , Uros Bizjak , Jakub Jelinek , Richard Sandiford , Richard Biener Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-3030.8 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_SHORT, KAM_STOCKGEN, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jul 2021 12:42:41 -0000 Hi Uros, On Thu, Jul 1, 2021 at 1:32 AM Hongtao Liu wrote: > > On Tue, Jun 29, 2021 at 6:16 AM H.J. Lu wrote: > > > > 1. Update move expanders to convert the CONST_WIDE_INT and CONST_VECTOR > > operands to vector broadcast from an integer with AVX. > > 2. Add ix86_gen_scratch_sse_rtx to return a scratch SSE register which > > won't increase stack alignment requirement and blocks transformation by > > the combine pass. > > > > A small benchmark: > > > > https://gitlab.com/x86-benchmarks/microbenchmark/-/tree/memset/broadcast > > > > shows that broadcast is a little bit faster on Intel Core i7-8559U: > > > > $ make > > gcc -g -I. -O2 -c -o test.o test.c > > gcc -g -c -o memory.o memory.S > > gcc -g -c -o broadcast.o broadcast.S > > gcc -g -c -o vec_dup_sse2.o vec_dup_sse2.S > > gcc -o test test.o memory.o broadcast.o vec_dup_sse2.o > > ./test > > memory : 147215 > > broadcast : 121213 > > vec_dup_sse2: 171366 > > $ > > > > broadcast is also smaller: > > > > $ size memory.o broadcast.o > > text data bss dec hex filename > > 132 0 0 132 84 memory.o > > 122 0 0 122 7a broadcast.o > > $ > > > > 3. Update PR 87767 tests to expect integer broadcast instead of broadcast > > from memory. > > 4. Update avx512f_cond_move.c to expect integer broadcast. > > > > A small benchmark: > > > > https://gitlab.com/x86-benchmarks/microbenchmark/-/tree/vpaddd/broadcast > > > > shows that integer broadcast is faster than embedded memory broadcast: > > > > $ make > > gcc -g -I. -O2 -march=skylake-avx512 -c -o test.o test.c > > gcc -g -c -o memory.o memory.S > > gcc -g -c -o broadcast.o broadcast.S > > gcc -o test test.o memory.o broadcast.o > > ./test > > memory : 425538 > > broadcast : 375260 > > $ > > > > gcc/ > > > > PR target/100865 > > * config/i386/i386-expand.c (ix86_expand_vector_init_duplicate): > > New prototype. > > (ix86_byte_broadcast): New function. > > (ix86_convert_const_wide_int_to_broadcast): Likewise. > > (ix86_expand_move): Convert CONST_WIDE_INT to broadcast if mode > > size is 16 bytes or bigger. > > (ix86_broadcast_from_integer_constant): New function. > > (ix86_expand_vector_move): Convert CONST_WIDE_INT and CONST_VECTOR > > to broadcast if mode size is 16 bytes or bigger. > > * config/i386/i386-protos.h (ix86_gen_scratch_sse_rtx): New > > prototype. > > * config/i386/i386.c (ix86_gen_scratch_sse_rtx): New function. > > > > gcc/testsuite/ > > > > PR target/100865 > > * gcc.target/i386/avx512f-broadcast-pr87767-1.c: Expect integer > > broadcast. > > * gcc.target/i386/avx512f-broadcast-pr87767-5.c: Likewise. > > * gcc.target/i386/avx512vl-broadcast-pr87767-1.c: Likewise. > > * gcc.target/i386/avx512vl-broadcast-pr87767-5.c: Likewise. > > * gcc.target/i386/avx512f_cond_move.c: Also pass > > -mprefer-vector-width=512 and expect integer broadcast. > Those tests change LGTM since it's faster than the older version, and > I remember uros has already reviewed other parts, right? Uros, does this version look OK? Thanks. > > * gcc.target/i386/pr100865-1.c: New test. > > * gcc.target/i386/pr100865-2.c: Likewise. > > * gcc.target/i386/pr100865-3.c: Likewise. > > * gcc.target/i386/pr100865-4a.c: Likewise. > > * gcc.target/i386/pr100865-4b.c: Likewise. > > * gcc.target/i386/pr100865-5a.c: Likewise. > > * gcc.target/i386/pr100865-5b.c: Likewise. > > * gcc.target/i386/pr100865-6a.c: Likewise. > > * gcc.target/i386/pr100865-6b.c: Likewise. > > * gcc.target/i386/pr100865-6c.c: Likewise. > > * gcc.target/i386/pr100865-7a.c: Likewise. > > * gcc.target/i386/pr100865-7b.c: Likewise. > > * gcc.target/i386/pr100865-7c.c: Likewise. > > * gcc.target/i386/pr100865-8a.c: Likewise. > > * gcc.target/i386/pr100865-8b.c: Likewise. > > * gcc.target/i386/pr100865-8c.c: Likewise. > > * gcc.target/i386/pr100865-9a.c: Likewise. > > * gcc.target/i386/pr100865-9b.c: Likewise. > > * gcc.target/i386/pr100865-9c.c: Likewise. > > * gcc.target/i386/pr100865-10a.c: Likewise. > > * gcc.target/i386/pr100865-10b.c: Likewise. > > * gcc.target/i386/pr100865-11a.c: Likewise. > > * gcc.target/i386/pr100865-11b.c: Likewise. > > * gcc.target/i386/pr100865-11c.c: Likewise. > > * gcc.target/i386/pr100865-12a.c: Likewise. > > * gcc.target/i386/pr100865-12b.c: Likewise. > > * gcc.target/i386/pr100865-12c.c: Likewise. > > --- > > gcc/config/i386/i386-expand.c | 194 ++++++++++++++++-- > > gcc/config/i386/i386-protos.h | 2 + > > gcc/config/i386/i386.c | 13 ++ > > .../i386/avx512f-broadcast-pr87767-1.c | 7 +- > > .../i386/avx512f-broadcast-pr87767-5.c | 5 +- > > .../gcc.target/i386/avx512f_cond_move.c | 4 +- > > .../i386/avx512vl-broadcast-pr87767-1.c | 12 +- > > .../i386/avx512vl-broadcast-pr87767-5.c | 9 +- > > gcc/testsuite/gcc.target/i386/pr100865-1.c | 13 ++ > > gcc/testsuite/gcc.target/i386/pr100865-10a.c | 33 +++ > > gcc/testsuite/gcc.target/i386/pr100865-10b.c | 7 + > > gcc/testsuite/gcc.target/i386/pr100865-11a.c | 23 +++ > > gcc/testsuite/gcc.target/i386/pr100865-11b.c | 8 + > > gcc/testsuite/gcc.target/i386/pr100865-11c.c | 8 + > > gcc/testsuite/gcc.target/i386/pr100865-12a.c | 20 ++ > > gcc/testsuite/gcc.target/i386/pr100865-12b.c | 8 + > > gcc/testsuite/gcc.target/i386/pr100865-12c.c | 8 + > > gcc/testsuite/gcc.target/i386/pr100865-2.c | 14 ++ > > gcc/testsuite/gcc.target/i386/pr100865-3.c | 15 ++ > > gcc/testsuite/gcc.target/i386/pr100865-4a.c | 16 ++ > > gcc/testsuite/gcc.target/i386/pr100865-4b.c | 9 + > > gcc/testsuite/gcc.target/i386/pr100865-5a.c | 16 ++ > > gcc/testsuite/gcc.target/i386/pr100865-5b.c | 9 + > > gcc/testsuite/gcc.target/i386/pr100865-6a.c | 16 ++ > > gcc/testsuite/gcc.target/i386/pr100865-6b.c | 9 + > > gcc/testsuite/gcc.target/i386/pr100865-6c.c | 16 ++ > > gcc/testsuite/gcc.target/i386/pr100865-7a.c | 17 ++ > > gcc/testsuite/gcc.target/i386/pr100865-7b.c | 9 + > > gcc/testsuite/gcc.target/i386/pr100865-7c.c | 17 ++ > > gcc/testsuite/gcc.target/i386/pr100865-8a.c | 24 +++ > > gcc/testsuite/gcc.target/i386/pr100865-8b.c | 7 + > > gcc/testsuite/gcc.target/i386/pr100865-8c.c | 7 + > > gcc/testsuite/gcc.target/i386/pr100865-9a.c | 25 +++ > > gcc/testsuite/gcc.target/i386/pr100865-9b.c | 7 + > > gcc/testsuite/gcc.target/i386/pr100865-9c.c | 7 + > > 35 files changed, 590 insertions(+), 24 deletions(-) > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-1.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-10a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-10b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-11a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-11b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-11c.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-12a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-12b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-12c.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-2.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-3.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-4a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-4b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-5a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-5b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-6a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-6b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-6c.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-7a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-7b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-7c.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-8a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-8b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-8c.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-9a.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-9b.c > > create mode 100644 gcc/testsuite/gcc.target/i386/pr100865-9c.c > > > > diff --git a/gcc/config/i386/i386-expand.c b/gcc/config/i386/i386-expand.c > > index e9763eb5b3e..e0e3ed4d8a4 100644 > > --- a/gcc/config/i386/i386-expand.c > > +++ b/gcc/config/i386/i386-expand.c > > @@ -93,6 +93,9 @@ along with GCC; see the file COPYING3. If not see > > #include "i386-builtins.h" > > #include "i386-expand.h" > > > > +static bool ix86_expand_vector_init_duplicate (bool, machine_mode, rtx, > > + rtx); > > + > > /* Split one or more double-mode RTL references into pairs of half-mode > > references. The RTL can be REG, offsettable MEM, integer constant, or > > CONST_DOUBLE. "operands" is a pointer to an array of double-mode RTLs to > > @@ -190,6 +193,82 @@ ix86_expand_clear (rtx dest) > > emit_insn (tmp); > > } > > > > +/* Return true if V can be broadcasted from an integer of WIDTH bits > > + which is returned in VAL_BROADCAST. Otherwise, return false. */ > > + > > +static bool > > +ix86_broadcast (HOST_WIDE_INT v, unsigned int width, > > + HOST_WIDE_INT &val_broadcast) > > +{ > > + wide_int val = wi::uhwi (v, HOST_BITS_PER_WIDE_INT); > > + val_broadcast = wi::extract_uhwi (val, 0, width); > > + for (unsigned int i = width; i < HOST_BITS_PER_WIDE_INT; i += width) > > + { > > + HOST_WIDE_INT each = wi::extract_uhwi (val, i, width); > > + if (val_broadcast != each) > > + return false; > > + } > > + val_broadcast = sext_hwi (val_broadcast, width); > > + return true; > > +} > > + > > +/* Convert the CONST_WIDE_INT operand OP to broadcast in MODE. */ > > + > > +static rtx > > +ix86_convert_const_wide_int_to_broadcast (machine_mode mode, rtx op) > > +{ > > + /* Don't use integer vector broadcast if we can't move from GPR to SSE > > + register directly. */ > > + if (!TARGET_INTER_UNIT_MOVES_TO_VEC) > > + return nullptr; > > + > > + /* Convert CONST_WIDE_INT to a non-standard SSE constant integer > > + broadcast only if vector broadcast is available. */ > > + if (!TARGET_AVX > > + || !CONST_WIDE_INT_P (op) > > + || standard_sse_constant_p (op, mode)) > > + return nullptr; > > + > > + HOST_WIDE_INT val = CONST_WIDE_INT_ELT (op, 0); > > + HOST_WIDE_INT val_broadcast; > > + scalar_int_mode broadcast_mode; > > + if (TARGET_AVX2 > > + && ix86_broadcast (val, GET_MODE_BITSIZE (QImode), > > + val_broadcast)) > > + broadcast_mode = QImode; > > + else if (TARGET_AVX2 > > + && ix86_broadcast (val, GET_MODE_BITSIZE (HImode), > > + val_broadcast)) > > + broadcast_mode = HImode; > > + else if (ix86_broadcast (val, GET_MODE_BITSIZE (SImode), > > + val_broadcast)) > > + broadcast_mode = SImode; > > + else if (TARGET_64BIT > > + && ix86_broadcast (val, GET_MODE_BITSIZE (DImode), > > + val_broadcast)) > > + broadcast_mode = DImode; > > + else > > + return nullptr; > > + > > + /* Check if OP can be broadcasted from VAL. */ > > + for (int i = 1; i < CONST_WIDE_INT_NUNITS (op); i++) > > + if (val != CONST_WIDE_INT_ELT (op, i)) > > + return nullptr; > > + > > + unsigned int nunits = (GET_MODE_SIZE (mode) > > + / GET_MODE_SIZE (broadcast_mode)); > > + machine_mode vector_mode; > > + if (!mode_for_vector (broadcast_mode, nunits).exists (&vector_mode)) > > + gcc_unreachable (); > > + rtx target = ix86_gen_scratch_sse_rtx (vector_mode); > > + bool ok = ix86_expand_vector_init_duplicate (false, vector_mode, > > + target, > > + GEN_INT (val_broadcast)); > > + gcc_assert (ok); > > + target = lowpart_subreg (mode, target, vector_mode); > > + return target; > > +} > > + > > void > > ix86_expand_move (machine_mode mode, rtx operands[]) > > { > > @@ -347,20 +426,29 @@ ix86_expand_move (machine_mode mode, rtx operands[]) > > && optimize) > > op1 = copy_to_mode_reg (mode, op1); > > > > - if (can_create_pseudo_p () > > - && CONST_DOUBLE_P (op1)) > > + if (can_create_pseudo_p ()) > > { > > - /* If we are loading a floating point constant to a register, > > - force the value to memory now, since we'll get better code > > - out the back end. */ > > + if (CONST_DOUBLE_P (op1)) > > + { > > + /* If we are loading a floating point constant to a > > + register, force the value to memory now, since we'll > > + get better code out the back end. */ > > > > - op1 = validize_mem (force_const_mem (mode, op1)); > > - if (!register_operand (op0, mode)) > > + op1 = validize_mem (force_const_mem (mode, op1)); > > + if (!register_operand (op0, mode)) > > + { > > + rtx temp = gen_reg_rtx (mode); > > + emit_insn (gen_rtx_SET (temp, op1)); > > + emit_move_insn (op0, temp); > > + return; > > + } > > + } > > + else if (GET_MODE_SIZE (mode) >= 16) > > { > > - rtx temp = gen_reg_rtx (mode); > > - emit_insn (gen_rtx_SET (temp, op1)); > > - emit_move_insn (op0, temp); > > - return; > > + rtx tmp = ix86_convert_const_wide_int_to_broadcast > > + (GET_MODE (op0), op1); > > + if (tmp != nullptr) > > + op1 = tmp; > > } > > } > > } > > @@ -368,6 +456,59 @@ ix86_expand_move (machine_mode mode, rtx operands[]) > > emit_insn (gen_rtx_SET (op0, op1)); > > } > > > > +static rtx > > +ix86_broadcast_from_integer_constant (machine_mode mode, rtx op) > > +{ > > + int nunits = GET_MODE_NUNITS (mode); > > + if (nunits < 2) > > + return nullptr; > > + > > + /* Don't use integer vector broadcast if we can't move from GPR to SSE > > + register directly. */ > > + if (!TARGET_INTER_UNIT_MOVES_TO_VEC) > > + return nullptr; > > + > > + /* Convert CONST_VECTOR to a non-standard SSE constant integer > > + broadcast only if vector broadcast is available. */ > > + if (!(TARGET_AVX2 > > + || (TARGET_AVX > > + && (GET_MODE_INNER (mode) == SImode > > + || GET_MODE_INNER (mode) == DImode))) > > + || standard_sse_constant_p (op, mode)) > > + return nullptr; > > + > > + /* Don't broadcast from a 64-bit integer constant in 32-bit mode. */ > > + if (GET_MODE_INNER (mode) == DImode && !TARGET_64BIT) > > + return nullptr; > > + > > + rtx constant = get_pool_constant (XEXP (op, 0)); > > + if (GET_CODE (constant) != CONST_VECTOR) > > + return nullptr; > > + > > + /* 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) > > + { > > + constant = simplify_subreg (mode, constant, GET_MODE (constant), > > + 0); > > + if (constant == nullptr || GET_CODE (constant) != CONST_VECTOR) > > + return nullptr; > > + } > > + > > + rtx first = XVECEXP (constant, 0, 0); > > + > > + for (int i = 1; i < nunits; ++i) > > + { > > + rtx tmp = XVECEXP (constant, 0, i); > > + /* Vector duplicate value. */ > > + if (!rtx_equal_p (tmp, first)) > > + return nullptr; > > + } > > + > > + return first; > > +} > > + > > void > > ix86_expand_vector_move (machine_mode mode, rtx operands[]) > > { > > @@ -407,7 +548,36 @@ ix86_expand_vector_move (machine_mode mode, rtx operands[]) > > op1 = simplify_gen_subreg (mode, r, imode, SUBREG_BYTE (op1)); > > } > > else > > - op1 = validize_mem (force_const_mem (mode, op1)); > > + { > > + machine_mode mode = GET_MODE (op0); > > + rtx tmp = ix86_convert_const_wide_int_to_broadcast > > + (mode, op1); > > + if (tmp == nullptr) > > + op1 = validize_mem (force_const_mem (mode, op1)); > > + else > > + op1 = tmp; > > + } > > + } > > + > > + if (can_create_pseudo_p () > > + && GET_MODE_SIZE (mode) >= 16 > > + && GET_MODE_CLASS (mode) == MODE_VECTOR_INT > > + && (MEM_P (op1) > > + && SYMBOL_REF_P (XEXP (op1, 0)) > > + && CONSTANT_POOL_ADDRESS_P (XEXP (op1, 0)))) > > + { > > + rtx first = ix86_broadcast_from_integer_constant (mode, op1); > > + if (first != nullptr) > > + { > > + /* Broadcast to XMM/YMM/ZMM register from an integer > > + constant. */ > > + op1 = ix86_gen_scratch_sse_rtx (mode); > > + bool ok = ix86_expand_vector_init_duplicate (false, mode, > > + op1, first); > > + gcc_assert (ok); > > + emit_move_insn (op0, op1); > > + return; > > + } > > } > > > > /* We need to check memory alignment for SSE mode since attribute > > diff --git a/gcc/config/i386/i386-protos.h b/gcc/config/i386/i386-protos.h > > index 65fc307dc7b..71745b9a1ea 100644 > > --- a/gcc/config/i386/i386-protos.h > > +++ b/gcc/config/i386/i386-protos.h > > @@ -50,6 +50,8 @@ extern void ix86_reset_previous_fndecl (void); > > > > extern bool ix86_using_red_zone (void); > > > > +extern rtx ix86_gen_scratch_sse_rtx (machine_mode); > > + > > extern unsigned int ix86_regmode_natural_size (machine_mode); > > #ifdef RTX_CODE > > extern int standard_80387_constant_p (rtx); > > diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c > > index a93128fa0a4..2fbaae7cd02 100644 > > --- a/gcc/config/i386/i386.c > > +++ b/gcc/config/i386/i386.c > > @@ -23163,6 +23163,19 @@ ix86_optab_supported_p (int op, machine_mode mode1, machine_mode, > > } > > } > > > > +/* Return a scratch register in MODE for vector load and store. */ > > + > > +rtx > > +ix86_gen_scratch_sse_rtx (machine_mode mode) > > +{ > > + if (TARGET_SSE) > > + return gen_rtx_REG (mode, (TARGET_64BIT > > + ? LAST_REX_SSE_REG > > + : LAST_SSE_REG)); > > + else > > + return gen_reg_rtx (mode); > > +} > > + > > /* Address space support. > > > > This is not "far pointers" in the 16-bit sense, but an easy way > > diff --git a/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c > > index 0563e696316..a2664d87f29 100644 > > --- a/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c > > +++ b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-1.c > > @@ -2,8 +2,11 @@ > > /* { dg-do compile } */ > > /* { dg-options "-O2 -mavx512f -mavx512dq" } */ > > /* { dg-additional-options "-mdynamic-no-pic" { target { *-*-darwin* && ia32 } } } > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 5 } } */ > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to16\\\}" 5 } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 2 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 5 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to16\\\}" 2 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %zmm\[0-9\]+" 3 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %zmm\[0-9\]+" 3 { target { ! ia32 } } } } */ > > > > typedef int v16si __attribute__ ((vector_size (64))); > > typedef long long v8di __attribute__ ((vector_size (64))); > > diff --git a/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-5.c b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-5.c > > index ffbe95980ca..477f9ca1282 100644 > > --- a/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-5.c > > +++ b/gcc/testsuite/gcc.target/i386/avx512f-broadcast-pr87767-5.c > > @@ -2,8 +2,9 @@ > > /* { dg-do compile } */ > > /* { dg-options "-O2 -mavx512f" } */ > > /* { dg-additional-options "-mdynamic-no-pic" { target { *-*-darwin* && ia32 } } } > > -/* { dg-final { scan-assembler-times "\[^n\n\]*\\\{1to8\\\}" 4 } } */ > > -/* { dg-final { scan-assembler-times "\[^n\n\]*\\\{1to16\\\}" 4 } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 4 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %zmm\[0-9\]+" 4 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %zmm\[0-9\]+" 4 { target { ! ia32 } } } } */ > > > > typedef int v16si __attribute__ ((vector_size (64))); > > typedef long long v8di __attribute__ ((vector_size (64))); > > diff --git a/gcc/testsuite/gcc.target/i386/avx512f_cond_move.c b/gcc/testsuite/gcc.target/i386/avx512f_cond_move.c > > index 99a89f51202..ca49a585232 100644 > > --- a/gcc/testsuite/gcc.target/i386/avx512f_cond_move.c > > +++ b/gcc/testsuite/gcc.target/i386/avx512f_cond_move.c > > @@ -1,6 +1,6 @@ > > /* { dg-do compile } */ > > -/* { dg-options "-O3 -mavx512f" } */ > > -/* { dg-final { scan-assembler-times "(?:vpblendmd|vmovdqa32)\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 8 } } */ > > +/* { dg-options "-O3 -mavx512f -mprefer-vector-width=512" } */ > > +/* { dg-final { scan-assembler-times "(?:vpbroadcastd|vmovdqa32)\[ \\t\]+\[^\{\n\]*%zmm\[0-9\]+\{%k\[1-7\]\}\{z\}(?:\n|\[ \\t\]+#)" 8 } } */ > > > > unsigned int x[128]; > > int y[128]; > > diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c b/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c > > index c06369d93fd..f8eb99f0b5f 100644 > > --- a/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c > > +++ b/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-1.c > > @@ -2,9 +2,15 @@ > > /* { dg-do compile } */ > > /* { dg-options "-O2 -mavx512f -mavx512vl -mavx512dq" } */ > > /* { dg-additional-options "-mdynamic-no-pic" { target { *-*-darwin* && ia32 } } } > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to2\\\}" 5 } } */ > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to4\\\}" 10 } } */ > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 5 } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to2\\\}" 2 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to4\\\}" 4 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to2\\\}" 5 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to4\\\}" 7 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 2 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 3 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %ymm\[0-9\]+" 3 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %xmm\[0-9\]+" 3 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %ymm\[0-9\]+" 3 { target { ! ia32 } } } } */ > > > > typedef int v4si __attribute__ ((vector_size (16))); > > typedef int v8si __attribute__ ((vector_size (32))); > > diff --git a/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-5.c b/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-5.c > > index 4998a9b8d51..32f6ac81841 100644 > > --- a/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-5.c > > +++ b/gcc/testsuite/gcc.target/i386/avx512vl-broadcast-pr87767-5.c > > @@ -2,9 +2,12 @@ > > /* { dg-do compile } */ > > /* { dg-options "-O2 -mavx512f -mavx512vl" } */ > > /* { dg-additional-options "-mdynamic-no-pic" { target { *-*-darwin* && ia32 } } } > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to2\\\}" 4 } } */ > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to4\\\}" 8 } } */ > > -/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to8\\\}" 4 } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to2\\\}" 4 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "\[^\n\]*\\\{1to4\\\}" 4 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 4 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %ymm\[0-9\]+" 4 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %xmm\[0-9\]+" 4 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %ymm\[0-9\]+" 4 { target { ! ia32 } } } } */ > > > > typedef int v4si __attribute__ ((vector_size (16))); > > typedef int v8si __attribute__ ((vector_size (32))); > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-1.c b/gcc/testsuite/gcc.target/i386/pr100865-1.c > > new file mode 100644 > > index 00000000000..6c3097fb2a6 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-1.c > > @@ -0,0 +1,13 @@ > > +/* { dg-do compile { target { ! ia32 } } } */ > > +/* { dg-options "-O2 -march=x86-64" } */ > > + > > +extern char *dst; > > + > > +void > > +foo (void) > > +{ > > + __builtin_memset (dst, 3, 16); > > +} > > + > > +/* { dg-final { scan-assembler-times "movdqa\[ \\t\]+\[^\n\]*%xmm" 1 } } */ > > +/* { dg-final { scan-assembler-times "movups\[\\t \]%xmm\[0-9\]+, \\(%\[\^,\]+\\)" 1 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-10a.c b/gcc/testsuite/gcc.target/i386/pr100865-10a.c > > new file mode 100644 > > index 00000000000..7ffc19e56a8 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-10a.c > > @@ -0,0 +1,33 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern __int128 array[16]; > > + > > +#define MK_CONST128_BROADCAST(A) \ > > + ((((unsigned __int128) (unsigned char) A) << 120) \ > > + | (((unsigned __int128) (unsigned char) A) << 112) \ > > + | (((unsigned __int128) (unsigned char) A) << 104) \ > > + | (((unsigned __int128) (unsigned char) A) << 96) \ > > + | (((unsigned __int128) (unsigned char) A) << 88) \ > > + | (((unsigned __int128) (unsigned char) A) << 80) \ > > + | (((unsigned __int128) (unsigned char) A) << 72) \ > > + | (((unsigned __int128) (unsigned char) A) << 64) \ > > + | (((unsigned __int128) (unsigned char) A) << 56) \ > > + | (((unsigned __int128) (unsigned char) A) << 48) \ > > + | (((unsigned __int128) (unsigned char) A) << 40) \ > > + | (((unsigned __int128) (unsigned char) A) << 32) \ > > + | (((unsigned __int128) (unsigned char) A) << 24) \ > > + | (((unsigned __int128) (unsigned char) A) << 16) \ > > + | (((unsigned __int128) (unsigned char) A) << 8) \ > > + | ((unsigned __int128) (unsigned char) A) ) > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = MK_CONST128_BROADCAST (0x1f); > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastb\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-10b.c b/gcc/testsuite/gcc.target/i386/pr100865-10b.c > > new file mode 100644 > > index 00000000000..edf52765c60 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-10b.c > > @@ -0,0 +1,7 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-10a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastb\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-11a.c b/gcc/testsuite/gcc.target/i386/pr100865-11a.c > > new file mode 100644 > > index 00000000000..04ce1662f3c > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-11a.c > > @@ -0,0 +1,23 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern __int128 array[16]; > > + > > +#define MK_CONST128_BROADCAST(A) \ > > + ((((unsigned __int128) (unsigned long long) A) << 64) \ > > + | ((unsigned __int128) (unsigned long long) A) ) > > + > > +#define MK_CONST128_BROADCAST_SIGNED(A) \ > > + ((__int128) MK_CONST128_BROADCAST (A)) > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = MK_CONST128_BROADCAST_SIGNED (-0x1ffffffffLL); > > +} > > + > > +/* { dg-final { scan-assembler-times "movabsq" 1 } } */ > > +/* { dg-final { scan-assembler-times "(?:vpbroadcastq|vpunpcklqdq)\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-11b.c b/gcc/testsuite/gcc.target/i386/pr100865-11b.c > > new file mode 100644 > > index 00000000000..12d55b9a642 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-11b.c > > @@ -0,0 +1,8 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-11a.c" > > + > > +/* { dg-final { scan-assembler-times "movabsq" 1 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-11c.c b/gcc/testsuite/gcc.target/i386/pr100865-11c.c > > new file mode 100644 > > index 00000000000..de56c84b9ca > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-11c.c > > @@ -0,0 +1,8 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake -mno-avx2" } */ > > + > > +#include "pr100865-11a.c" > > + > > +/* { dg-final { scan-assembler-times "movabsq" 1 } } */ > > +/* { dg-final { scan-assembler-times "vpunpcklqdq\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-12a.c b/gcc/testsuite/gcc.target/i386/pr100865-12a.c > > new file mode 100644 > > index 00000000000..d4833d44475 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-12a.c > > @@ -0,0 +1,20 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern __int128 array[16]; > > + > > +#define MK_CONST128_BROADCAST(A) \ > > + ((((unsigned __int128) (unsigned long long) A) << 64) \ > > + | ((unsigned __int128) (unsigned long long) A) ) > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = MK_CONST128_BROADCAST (0x1ffffffffLL); > > +} > > + > > +/* { dg-final { scan-assembler-times "movabsq" 1 } } */ > > +/* { dg-final { scan-assembler-times "(?:vpbroadcastq|vpunpcklqdq)\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-12b.c b/gcc/testsuite/gcc.target/i386/pr100865-12b.c > > new file mode 100644 > > index 00000000000..63a5629b90c > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-12b.c > > @@ -0,0 +1,8 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-12a.c" > > + > > +/* { dg-final { scan-assembler-times "movabsq" 1 } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-12c.c b/gcc/testsuite/gcc.target/i386/pr100865-12c.c > > new file mode 100644 > > index 00000000000..77415f22c97 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-12c.c > > @@ -0,0 +1,8 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake -mno-avx2" } */ > > + > > +#include "pr100865-12a.c" > > + > > +/* { dg-final { scan-assembler-times "movabsq" 1 } } */ > > +/* { dg-final { scan-assembler-times "vpunpcklqdq\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-2.c b/gcc/testsuite/gcc.target/i386/pr100865-2.c > > new file mode 100644 > > index 00000000000..17efe2d72a3 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-2.c > > @@ -0,0 +1,14 @@ > > +/* { dg-do compile { target { ! ia32 } } } */ > > +/* { dg-options "-O2 -march=skylake" } */ > > + > > +extern char *dst; > > + > > +void > > +foo (void) > > +{ > > + __builtin_memset (dst, 3, 16); > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastb\[\\t \]+%xmm\[0-9\]+, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%xmm\[0-9\]+, \\(%\[\^,\]+\\)" 1 } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-3.c b/gcc/testsuite/gcc.target/i386/pr100865-3.c > > new file mode 100644 > > index 00000000000..b6dbcf7809b > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-3.c > > @@ -0,0 +1,15 @@ > > +/* { dg-do compile { target { ! ia32 } } } */ > > +/* { dg-options "-O2 -march=skylake-avx512" } */ > > + > > +extern char *dst; > > + > > +void > > +foo (void) > > +{ > > + __builtin_memset (dst, 3, 16); > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastb\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%xmm\[0-9\]+, \\(%\[\^,\]+\\)" 1 } } */ > > +/* { dg-final { scan-assembler-not "vpbroadcastb\[\\t \]+%xmm\[0-9\]+, %xmm\[0-9\]+" } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-4a.c b/gcc/testsuite/gcc.target/i386/pr100865-4a.c > > new file mode 100644 > > index 00000000000..f55883598f9 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-4a.c > > @@ -0,0 +1,16 @@ > > +/* { dg-do compile { target { ! ia32 } } } */ > > +/* { dg-options "-O2 -march=skylake" } */ > > + > > +extern char array[64]; > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = -45; > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastb\[\\t \]+%xmm\[0-9\]+, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%xmm\[0-9\]+, " 4 } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-4b.c b/gcc/testsuite/gcc.target/i386/pr100865-4b.c > > new file mode 100644 > > index 00000000000..f41e6147b4c > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-4b.c > > @@ -0,0 +1,9 @@ > > +/* { dg-do compile { target { ! ia32 } } } */ > > +/* { dg-options "-O2 -march=skylake-avx512" } */ > > + > > +#include "pr100865-4a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastb\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%xmm\[0-9\]+, " 4 } } */ > > +/* { dg-final { scan-assembler-not "vpbroadcastb\[\\t \]+%xmm\[0-9\]+, %xmm\[0-9\]+" } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-5a.c b/gcc/testsuite/gcc.target/i386/pr100865-5a.c > > new file mode 100644 > > index 00000000000..4149797fe81 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-5a.c > > @@ -0,0 +1,16 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern short array[64]; > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = -45; > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastw\[\\t \]+%xmm\[0-9\]+, %ymm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 4 } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-5b.c b/gcc/testsuite/gcc.target/i386/pr100865-5b.c > > new file mode 100644 > > index 00000000000..ded41b680d3 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-5b.c > > @@ -0,0 +1,9 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-5a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastw\[\\t \]+%(?:r|e)\[^\n\]*, %ymm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu16\[\\t \]%ymm\[0-9\]+, " 4 } } */ > > +/* { dg-final { scan-assembler-not "vpbroadcastw\[\\t \]+%xmm\[0-9\]+, %ymm\[0-9\]+" } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-6a.c b/gcc/testsuite/gcc.target/i386/pr100865-6a.c > > new file mode 100644 > > index 00000000000..3fde549a10d > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-6a.c > > @@ -0,0 +1,16 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern int array[64]; > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = -45; > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%xmm\[0-9\]+, %ymm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 8 } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-6b.c b/gcc/testsuite/gcc.target/i386/pr100865-6b.c > > new file mode 100644 > > index 00000000000..44e74c64e55 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-6b.c > > @@ -0,0 +1,9 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-6a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %ymm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 8 } } */ > > +/* { dg-final { scan-assembler-not "vpbroadcastd\[\\t \]+%xmm\[0-9\]+, %ymm\[0-9\]+" } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-6c.c b/gcc/testsuite/gcc.target/i386/pr100865-6c.c > > new file mode 100644 > > index 00000000000..46d31030ce8 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-6c.c > > @@ -0,0 +1,16 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake -mno-avx2" } */ > > + > > +extern int array[64]; > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = -45; > > +} > > + > > +/* { dg-final { scan-assembler-times "vbroadcastss" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 8 } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-7a.c b/gcc/testsuite/gcc.target/i386/pr100865-7a.c > > new file mode 100644 > > index 00000000000..f6f2be91120 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-7a.c > > @@ -0,0 +1,17 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern long long int array[64]; > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = -45; > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+\[^\n\]*, %ymm\[0-9\]+" 1 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 16 } } */ > > +/* { dg-final { scan-assembler-not "vpbroadcastq" { target ia32 } } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" { target { ! ia32 } } } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-7b.c b/gcc/testsuite/gcc.target/i386/pr100865-7b.c > > new file mode 100644 > > index 00000000000..0a68820aa32 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-7b.c > > @@ -0,0 +1,9 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-7a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+%r\[^\n\]*, %ymm\[0-9\]+" 1 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "vpbroadcastq\[\\t \]+\[^\n\]*, %ymm\[0-9\]+" 1 { target ia32 } } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 16 } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-7c.c b/gcc/testsuite/gcc.target/i386/pr100865-7c.c > > new file mode 100644 > > index 00000000000..4d50bb7e2f6 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-7c.c > > @@ -0,0 +1,17 @@ > > +/* { dg-do compile } */ > > +/* { dg-options "-O3 -march=skylake -mno-avx2" } */ > > + > > +extern long long int array[64]; > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = -45; > > +} > > + > > +/* { dg-final { scan-assembler-times "vbroadcastsd" 1 { target { ! ia32 } } } } */ > > +/* { dg-final { scan-assembler-times "vmovdqu\[\\t \]%ymm\[0-9\]+, " 16 } } */ > > +/* { dg-final { scan-assembler-not "vbroadcastsd" { target ia32 } } } */ > > +/* { dg-final { scan-assembler-not "vmovdqa" { target { ! ia32 } } } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-8a.c b/gcc/testsuite/gcc.target/i386/pr100865-8a.c > > new file mode 100644 > > index 00000000000..544a14db6f7 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-8a.c > > @@ -0,0 +1,24 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern __int128 array[16]; > > + > > +#define MK_CONST128_BROADCAST(A) \ > > + ((((unsigned __int128) (unsigned int) A) << 96) \ > > + | (((unsigned __int128) (unsigned int) A) << 64) \ > > + | (((unsigned __int128) (unsigned int) A) << 32) \ > > + | ((unsigned __int128) (unsigned int) A) ) > > + > > +#define MK_CONST128_BROADCAST_SIGNED(A) \ > > + ((__int128) MK_CONST128_BROADCAST (A)) > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = MK_CONST128_BROADCAST_SIGNED (-45); > > +} > > + > > +/* { dg-final { scan-assembler-times "(?:vpbroadcastd|vpshufd)\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-8b.c b/gcc/testsuite/gcc.target/i386/pr100865-8b.c > > new file mode 100644 > > index 00000000000..99a10ad83bd > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-8b.c > > @@ -0,0 +1,7 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-8a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastd\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-8c.c b/gcc/testsuite/gcc.target/i386/pr100865-8c.c > > new file mode 100644 > > index 00000000000..efee0488614 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-8c.c > > @@ -0,0 +1,7 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake -mno-avx2" } */ > > + > > +#include "pr100865-8a.c" > > + > > +/* { dg-final { scan-assembler-times "vpshufd\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-9a.c b/gcc/testsuite/gcc.target/i386/pr100865-9a.c > > new file mode 100644 > > index 00000000000..45d0e0d0e2e > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-9a.c > > @@ -0,0 +1,25 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake" } */ > > + > > +extern __int128 array[16]; > > + > > +#define MK_CONST128_BROADCAST(A) \ > > + ((((unsigned __int128) (unsigned short) A) << 112) \ > > + | (((unsigned __int128) (unsigned short) A) << 96) \ > > + | (((unsigned __int128) (unsigned short) A) << 80) \ > > + | (((unsigned __int128) (unsigned short) A) << 64) \ > > + | (((unsigned __int128) (unsigned short) A) << 48) \ > > + | (((unsigned __int128) (unsigned short) A) << 32) \ > > + | (((unsigned __int128) (unsigned short) A) << 16) \ > > + | ((unsigned __int128) (unsigned short) A) ) > > + > > +void > > +foo (void) > > +{ > > + int i; > > + for (i = 0; i < sizeof (array) / sizeof (array[0]); i++) > > + array[i] = MK_CONST128_BROADCAST (0x1fff); > > +} > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastw\[\\t \]+%xmm\[0-9\]+, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-9b.c b/gcc/testsuite/gcc.target/i386/pr100865-9b.c > > new file mode 100644 > > index 00000000000..14696248525 > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-9b.c > > @@ -0,0 +1,7 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake-avx512" } */ > > + > > +#include "pr100865-9a.c" > > + > > +/* { dg-final { scan-assembler-times "vpbroadcastw\[\\t \]+%(?:r|e)\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > diff --git a/gcc/testsuite/gcc.target/i386/pr100865-9c.c b/gcc/testsuite/gcc.target/i386/pr100865-9c.c > > new file mode 100644 > > index 00000000000..e6f25902c1d > > --- /dev/null > > +++ b/gcc/testsuite/gcc.target/i386/pr100865-9c.c > > @@ -0,0 +1,7 @@ > > +/* { dg-do compile { target int128 } } */ > > +/* { dg-options "-O3 -march=skylake -mno-avx2" } */ > > + > > +#include "pr100865-9a.c" > > + > > +/* { dg-final { scan-assembler-times "vpshufd\[\\t \]+\[^\n\]*, %xmm\[0-9\]+" 1 } } */ > > +/* { dg-final { scan-assembler-times "vmovdqa\[\\t \]%xmm\[0-9\]+, " 16 } } */ > > -- > > 2.31.1 > > > > > -- > BR, > Hongtao -- H.J.