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Message-ID: <1B081822-82F3-43A1-B3C3-B0B377F50CE6@oracle.com>
Date: Tue, 7 Oct 2025 21:02:21 +0000
From: Qing Zhao <qing.zhao@...cle.com>
To: Kees Cook <kees@...nel.org>
CC: Claudiu Zissulescu <claziss@...il.com>,
"gcc-patches@....gnu.org"
<gcc-patches@....gnu.org>,
"linux-hardening@...r.kernel.org"
<linux-hardening@...r.kernel.org>
Subject: Re: [PATCH] arc: Add const attribute support for mathematical ARC
builtins
Hi, Kees,
I took a look at the patch today.
Overall, I think the patch is good and should work well.
My major questions are:
1. Are the five functions in the current list the only functions in __builtin_arc_*** that
have const attribute?
2. In addition to “const” attribute, are there any other important attributes should be added for
the arc builtins to enable more optimizations?
thanks.
Qing
> On Aug 26, 2025, at 00:22, Kees Cook <kees@...nel.org> wrote:
>
> The ARC builtin functions __builtin_arc_ffs and __builtin_arc_fls
> perform pure mathematical operations equivalent to the standard
> GCC __builtin_ffs function, which is marked with the const attribute.
> However, the ARC target-specific versions were not marked as const,
> preventing compiler optimizations like common subexpression elimination.
>
> Extend the ARC builtin infrastructure to support function attributes
> and mark the appropriate mathematical builtins as const:
>
> - __builtin_arc_ffs: Find first set bit (const)
> - __builtin_arc_fls: Find last set bit (const)
> - __builtin_arc_norm: Count leading zeros (const)
> - __builtin_arc_normw: Count leading zeros for 16-bit (const)
> - __builtin_arc_swap: Endian swap (const)
>
> gcc/ChangeLog:
>
> * config/arc/builtins.def: Add ATTRS parameter to DEF_BUILTIN
> macro calls. Mark mathematical builtins (FFS, FLS, NORM, NORMW,
> SWAP) with attr_const, leave others as NULL_TREE.
> * config/arc/arc.cc: Add support for builtin function attributes.
> Create attr_const using tree_cons. Update DEF_BUILTIN macro to
> pass ATTRS parameter to add_builtin_function.
>
> gcc/testsuite/ChangeLog:
>
> * gcc.target/arc/builtin_fls_const.c: New test. Verify that
> const attribute enables CSE optimization for mathematical ARC
> builtins by checking that duplicate calls are eliminated and
> results are optimized to shift operations.
>
> Signed-off-by: Kees Cook <kees@...nel.org>
> ---
> .../gcc.target/arc/builtin_fls_const.c | 35 ++
> gcc/config/arc/arc.cc | 11 +-
> gcc/config/arc/builtins.def | 308 +++++++++---------
> 3 files changed, 197 insertions(+), 157 deletions(-)
> create mode 100644 gcc/testsuite/gcc.target/arc/builtin_fls_const.c
>
> diff --git a/gcc/testsuite/gcc.target/arc/builtin_fls_const.c b/gcc/testsuite/gcc.target/arc/builtin_fls_const.c
> new file mode 100644
> index 000000000000..cb1da946d377
> --- /dev/null
> +++ b/gcc/testsuite/gcc.target/arc/builtin_fls_const.c
> @@ -0,0 +1,35 @@
> +/* Test that const attribute enables CSE optimization for ARC builtins. */
> +/* { dg-do compile } */
> +/* { dg-options "-O2" } */
> +
> +int test_fls_cse(int x)
> +{
> + /* Two calls to the same const builtin with same argument should
> + be optimized to a single call plus a multiply-by-2 operation. */
> + int a = __builtin_arc_fls(x);
> + int b = __builtin_arc_fls(x);
> + return a + b;
> +}
> +
> +int test_ffs_cse(int x)
> +{
> + /* Same pattern for __builtin_arc_ffs. */
> + int a = __builtin_arc_ffs(x);
> + int b = __builtin_arc_ffs(x);
> + return a + b;
> +}
> +
> +int test_norm_cse(int x)
> +{
> + /* Same pattern for __builtin_arc_norm. */
> + int a = __builtin_arc_norm(x);
> + int b = __builtin_arc_norm(x);
> + return a + b;
> +}
> +
> +/* { dg-final { scan-assembler-times "fls\\s+" 1 } } */
> +/* { dg-final { scan-assembler-times "ffs\\s+" 1 } } */
> +/* { dg-final { scan-assembler-times "norm\\s+" 1 } } */
> +
> +/* Verify that the result is multiplied by 2 using left shift. */
> +/* { dg-final { scan-assembler "asl_s\\s+.*,.*,1" } } */
> \ No newline at end of file
> diff --git a/gcc/config/arc/arc.cc b/gcc/config/arc/arc.cc
> index bb5db977c800..5c34d9c78907 100644
> --- a/gcc/config/arc/arc.cc
> +++ b/gcc/config/arc/arc.cc
> @@ -6705,7 +6705,7 @@ arc_cannot_force_const_mem (machine_mode mode, rtx x)
>
> enum arc_builtin_id
> {
> -#define DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK) \
> +#define DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK, ATTRS) \
> ARC_BUILTIN_ ## NAME,
> #include "builtins.def"
> #undef DEF_BUILTIN
> @@ -6723,7 +6723,7 @@ struct GTY(()) arc_builtin_description
> static GTY(()) struct arc_builtin_description
> arc_bdesc[ARC_BUILTIN_COUNT] =
> {
> -#define DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK) \
> +#define DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK, ATTRS) \
> { (enum insn_code) CODE_FOR_ ## ICODE, N_ARGS, NULL_TREE },
> #include "builtins.def"
> #undef DEF_BUILTIN
> @@ -6855,8 +6855,11 @@ arc_init_builtins (void)
> = build_function_type_list (long_long_integer_type_node,
> V2SI_type_node, V2HI_type_node, NULL_TREE);
>
> + /* Create const attribute for mathematical functions. */
> + tree attr_const = tree_cons (get_identifier ("const"), NULL, NULL);
> +
> /* Add the builtins. */
> -#define DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK) \
> +#define DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK, ATTRS) \
> { \
> int id = ARC_BUILTIN_ ## NAME; \
> const char *Name = "__builtin_arc_" #NAME; \
> @@ -6866,7 +6869,7 @@ arc_init_builtins (void)
> if (MASK) \
> arc_bdesc[id].fndecl \
> = add_builtin_function (arc_tolower(name, Name), TYPE, id, \
> - BUILT_IN_MD, NULL, NULL_TREE); \
> + BUILT_IN_MD, NULL, ATTRS); \
> }
> #include "builtins.def"
> #undef DEF_BUILTIN
> diff --git a/gcc/config/arc/builtins.def b/gcc/config/arc/builtins.def
> index e3c57804c84f..ae230dcea749 100644
> --- a/gcc/config/arc/builtins.def
> +++ b/gcc/config/arc/builtins.def
> @@ -20,7 +20,7 @@
> builtins defined in the ARC part of the GNU compiler. Before
> including this file, define a macro
>
> - DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK)
> + DEF_BUILTIN(NAME, N_ARGS, TYPE, ICODE, MASK, ATTRS)
>
> NAME: `__builtin_arc_name' will be the user-level name of the builtin.
> `ARC_BUILTIN_NAME' will be the internal builtin's id.
> @@ -29,194 +29,196 @@
> TYPE: A tree node describing the prototype of the built-in.
> ICODE: Name of attached insn or expander. If special treatment in arc.cc
> is needed to expand the built-in, use `nothing'.
> - MASK: CPU selector mask. */
> + MASK: CPU selector mask.
> + ATTRS: Function attributes like "attr_const" for the `const' attribute
> + or "NULL_TREE" for no attribute. */
>
> /* Special builtins. */
> -DEF_BUILTIN (NOP, 0, void_ftype_void, nothing, 1)
> -DEF_BUILTIN (RTIE, 0, void_ftype_void, rtie, !TARGET_ARC600_FAMILY)
> -DEF_BUILTIN (SYNC, 0, void_ftype_void, sync, 1)
> -DEF_BUILTIN (BRK, 0, void_ftype_void, brk, 1)
> -DEF_BUILTIN (SWI, 0, void_ftype_void, swi, 1)
> -DEF_BUILTIN (UNIMP_S, 0, void_ftype_void, unimp_s, !TARGET_ARC600_FAMILY)
> -DEF_BUILTIN (TRAP_S, 1, void_ftype_usint, trap_s, !TARGET_ARC600_FAMILY)
> -DEF_BUILTIN (ALIGNED, 2, int_ftype_pcvoid_int, nothing, 1)
> -DEF_BUILTIN (CLRI, 0, int_ftype_void, clri, TARGET_V2)
> -DEF_BUILTIN (SLEEP, 1, void_ftype_usint, sleep, 1)
> -
> -DEF_BUILTIN (FLAG, 1, void_ftype_usint, flag, 1)
> -DEF_BUILTIN (SR, 2, void_ftype_usint_usint, sr, 1)
> -DEF_BUILTIN (KFLAG, 1, void_ftype_usint, kflag, TARGET_V2)
> -DEF_BUILTIN (CORE_WRITE, 2, void_ftype_usint_usint, core_write, 1)
> -DEF_BUILTIN (SETI, 1, void_ftype_int, seti, TARGET_V2)
> +DEF_BUILTIN (NOP, 0, void_ftype_void, nothing, 1, NULL_TREE)
> +DEF_BUILTIN (RTIE, 0, void_ftype_void, rtie, !TARGET_ARC600_FAMILY, NULL_TREE)
> +DEF_BUILTIN (SYNC, 0, void_ftype_void, sync, 1, NULL_TREE)
> +DEF_BUILTIN (BRK, 0, void_ftype_void, brk, 1, NULL_TREE)
> +DEF_BUILTIN (SWI, 0, void_ftype_void, swi, 1, NULL_TREE)
> +DEF_BUILTIN (UNIMP_S, 0, void_ftype_void, unimp_s, !TARGET_ARC600_FAMILY, NULL_TREE)
> +DEF_BUILTIN (TRAP_S, 1, void_ftype_usint, trap_s, !TARGET_ARC600_FAMILY, NULL_TREE)
> +DEF_BUILTIN (ALIGNED, 2, int_ftype_pcvoid_int, nothing, 1, NULL_TREE)
> +DEF_BUILTIN (CLRI, 0, int_ftype_void, clri, TARGET_V2, NULL_TREE)
> +DEF_BUILTIN (SLEEP, 1, void_ftype_usint, sleep, 1, NULL_TREE)
> +
> +DEF_BUILTIN (FLAG, 1, void_ftype_usint, flag, 1, NULL_TREE)
> +DEF_BUILTIN (SR, 2, void_ftype_usint_usint, sr, 1, NULL_TREE)
> +DEF_BUILTIN (KFLAG, 1, void_ftype_usint, kflag, TARGET_V2, NULL_TREE)
> +DEF_BUILTIN (CORE_WRITE, 2, void_ftype_usint_usint, core_write, 1, NULL_TREE)
> +DEF_BUILTIN (SETI, 1, void_ftype_int, seti, TARGET_V2, NULL_TREE)
>
> /* Regular builtins. */
> -DEF_BUILTIN (NORM, 1, int_ftype_int, clrsbsi2, TARGET_NORM)
> -DEF_BUILTIN (NORMW, 1, int_ftype_short, normw, TARGET_NORM)
> -DEF_BUILTIN (SWAP, 1, int_ftype_int, rotlsi2_cnt16, TARGET_SWAP)
> -DEF_BUILTIN (DIVAW, 2, int_ftype_int_int, divaw, TARGET_EA_SET)
> -DEF_BUILTIN (CORE_READ, 1, usint_ftype_usint, core_read, 1)
> -DEF_BUILTIN (LR, 1, usint_ftype_usint, lr, 1)
> -DEF_BUILTIN (FFS, 1, int_ftype_int, ffs, (TARGET_EM && TARGET_NORM) || TARGET_HS)
> -DEF_BUILTIN (FLS, 1, int_ftype_int, fls, (TARGET_EM && TARGET_NORM) || TARGET_HS)
> +DEF_BUILTIN (NORM, 1, int_ftype_int, clrsbsi2, TARGET_NORM, attr_const)
> +DEF_BUILTIN (NORMW, 1, int_ftype_short, normw, TARGET_NORM, attr_const)
> +DEF_BUILTIN (SWAP, 1, int_ftype_int, rotlsi2_cnt16, TARGET_SWAP, attr_const)
> +DEF_BUILTIN (DIVAW, 2, int_ftype_int_int, divaw, TARGET_EA_SET, NULL_TREE)
> +DEF_BUILTIN (CORE_READ, 1, usint_ftype_usint, core_read, 1, NULL_TREE)
> +DEF_BUILTIN (LR, 1, usint_ftype_usint, lr, 1, NULL_TREE)
> +DEF_BUILTIN (FFS, 1, int_ftype_int, ffs, (TARGET_EM && TARGET_NORM) || TARGET_HS, attr_const)
> +DEF_BUILTIN (FLS, 1, int_ftype_int, fls, (TARGET_EM && TARGET_NORM) || TARGET_HS, attr_const)
>
> /* ARC SIMD extenssion. */
> /* BEGIN SIMD marker. */
> -DEF_BUILTIN (SIMD_BEGIN, 0, void_ftype_void, nothing, 0)
> -
> -DEF_BUILTIN ( VADDAW, 2, v8hi_ftype_v8hi_v8hi, vaddaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VADDW, 2, v8hi_ftype_v8hi_v8hi, vaddw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VAVB, 2, v8hi_ftype_v8hi_v8hi, vavb_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VAVRB, 2, v8hi_ftype_v8hi_v8hi, vavrb_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VDIFAW, 2, v8hi_ftype_v8hi_v8hi, vdifaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VDIFW, 2, v8hi_ftype_v8hi_v8hi, vdifw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMAXAW, 2, v8hi_ftype_v8hi_v8hi, vmaxaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMAXW, 2, v8hi_ftype_v8hi_v8hi, vmaxw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMINAW, 2, v8hi_ftype_v8hi_v8hi, vminaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMINW, 2, v8hi_ftype_v8hi_v8hi, vminw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMULAW, 2, v8hi_ftype_v8hi_v8hi, vmulaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VMULFAW, 2, v8hi_ftype_v8hi_v8hi, vmulfaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMULFW, 2, v8hi_ftype_v8hi_v8hi, vmulfw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMULW, 2, v8hi_ftype_v8hi_v8hi, vmulw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSUBAW, 2, v8hi_ftype_v8hi_v8hi, vsubaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSUBW, 2, v8hi_ftype_v8hi_v8hi, vsubw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSUMMW, 2, v8hi_ftype_v8hi_v8hi, vsummw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VAND, 2, v8hi_ftype_v8hi_v8hi, vand_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VANDAW, 2, v8hi_ftype_v8hi_v8hi, vandaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VBIC, 2, v8hi_ftype_v8hi_v8hi, vbic_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VBICAW, 2, v8hi_ftype_v8hi_v8hi, vbicaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VOR, 2, v8hi_ftype_v8hi_v8hi, vor_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VXOR, 2, v8hi_ftype_v8hi_v8hi, vxor_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VXORAW, 2, v8hi_ftype_v8hi_v8hi, vxoraw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VEQW, 2, v8hi_ftype_v8hi_v8hi, veqw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VLEW, 2, v8hi_ftype_v8hi_v8hi, vlew_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VLTW, 2, v8hi_ftype_v8hi_v8hi, vltw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VNEW, 2, v8hi_ftype_v8hi_v8hi, vnew_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR1AW, 2, v8hi_ftype_v8hi_v8hi, vmr1aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR1W, 2, v8hi_ftype_v8hi_v8hi, vmr1w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR2AW, 2, v8hi_ftype_v8hi_v8hi, vmr2aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR2W, 2, v8hi_ftype_v8hi_v8hi, vmr2w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR3AW, 2, v8hi_ftype_v8hi_v8hi, vmr3aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR3W, 2, v8hi_ftype_v8hi_v8hi, vmr3w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR4AW, 2, v8hi_ftype_v8hi_v8hi, vmr4aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR4W, 2, v8hi_ftype_v8hi_v8hi, vmr4w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR5AW, 2, v8hi_ftype_v8hi_v8hi, vmr5aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR5W, 2, v8hi_ftype_v8hi_v8hi, vmr5w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR6AW, 2, v8hi_ftype_v8hi_v8hi, vmr6aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR6W, 2, v8hi_ftype_v8hi_v8hi, vmr6w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR7AW, 2, v8hi_ftype_v8hi_v8hi, vmr7aw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMR7W, 2, v8hi_ftype_v8hi_v8hi, vmr7w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMRB, 2, v8hi_ftype_v8hi_v8hi, vmrb_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VH264F, 2, v8hi_ftype_v8hi_v8hi, vh264f_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VH264FT, 2, v8hi_ftype_v8hi_v8hi, vh264ft_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VH264FW, 2, v8hi_ftype_v8hi_v8hi, vh264fw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VVC1F, 2, v8hi_ftype_v8hi_v8hi, vvc1f_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VVC1FT, 2, v8hi_ftype_v8hi_v8hi, vvc1ft_insn, TARGET_SIMD_SET)
> -
> -DEF_BUILTIN ( VBADDW, 2, v8hi_ftype_v8hi_int, vbaddw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VBMAXW, 2, v8hi_ftype_v8hi_int, vbmaxw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VBMINW, 2, v8hi_ftype_v8hi_int, vbminw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VBMULAW, 2, v8hi_ftype_v8hi_int, vbmulaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VBMULFW, 2, v8hi_ftype_v8hi_int, vbmulfw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VBMULW, 2, v8hi_ftype_v8hi_int, vbmulw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VBRSUBW, 2, v8hi_ftype_v8hi_int, vbrsubw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VBSUBW, 2, v8hi_ftype_v8hi_int, vbsubw_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (SIMD_BEGIN, 0, void_ftype_void, nothing, 0, NULL_TREE)
> +
> +DEF_BUILTIN ( VADDAW, 2, v8hi_ftype_v8hi_v8hi, vaddaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VADDW, 2, v8hi_ftype_v8hi_v8hi, vaddw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VAVB, 2, v8hi_ftype_v8hi_v8hi, vavb_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VAVRB, 2, v8hi_ftype_v8hi_v8hi, vavrb_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VDIFAW, 2, v8hi_ftype_v8hi_v8hi, vdifaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VDIFW, 2, v8hi_ftype_v8hi_v8hi, vdifw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMAXAW, 2, v8hi_ftype_v8hi_v8hi, vmaxaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMAXW, 2, v8hi_ftype_v8hi_v8hi, vmaxw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMINAW, 2, v8hi_ftype_v8hi_v8hi, vminaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMINW, 2, v8hi_ftype_v8hi_v8hi, vminw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMULAW, 2, v8hi_ftype_v8hi_v8hi, vmulaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VMULFAW, 2, v8hi_ftype_v8hi_v8hi, vmulfaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMULFW, 2, v8hi_ftype_v8hi_v8hi, vmulfw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMULW, 2, v8hi_ftype_v8hi_v8hi, vmulw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSUBAW, 2, v8hi_ftype_v8hi_v8hi, vsubaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSUBW, 2, v8hi_ftype_v8hi_v8hi, vsubw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSUMMW, 2, v8hi_ftype_v8hi_v8hi, vsummw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VAND, 2, v8hi_ftype_v8hi_v8hi, vand_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VANDAW, 2, v8hi_ftype_v8hi_v8hi, vandaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VBIC, 2, v8hi_ftype_v8hi_v8hi, vbic_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VBICAW, 2, v8hi_ftype_v8hi_v8hi, vbicaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VOR, 2, v8hi_ftype_v8hi_v8hi, vor_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VXOR, 2, v8hi_ftype_v8hi_v8hi, vxor_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VXORAW, 2, v8hi_ftype_v8hi_v8hi, vxoraw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VEQW, 2, v8hi_ftype_v8hi_v8hi, veqw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VLEW, 2, v8hi_ftype_v8hi_v8hi, vlew_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VLTW, 2, v8hi_ftype_v8hi_v8hi, vltw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VNEW, 2, v8hi_ftype_v8hi_v8hi, vnew_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR1AW, 2, v8hi_ftype_v8hi_v8hi, vmr1aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR1W, 2, v8hi_ftype_v8hi_v8hi, vmr1w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR2AW, 2, v8hi_ftype_v8hi_v8hi, vmr2aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR2W, 2, v8hi_ftype_v8hi_v8hi, vmr2w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR3AW, 2, v8hi_ftype_v8hi_v8hi, vmr3aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR3W, 2, v8hi_ftype_v8hi_v8hi, vmr3w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR4AW, 2, v8hi_ftype_v8hi_v8hi, vmr4aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR4W, 2, v8hi_ftype_v8hi_v8hi, vmr4w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR5AW, 2, v8hi_ftype_v8hi_v8hi, vmr5aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR5W, 2, v8hi_ftype_v8hi_v8hi, vmr5w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR6AW, 2, v8hi_ftype_v8hi_v8hi, vmr6aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR6W, 2, v8hi_ftype_v8hi_v8hi, vmr6w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR7AW, 2, v8hi_ftype_v8hi_v8hi, vmr7aw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMR7W, 2, v8hi_ftype_v8hi_v8hi, vmr7w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMRB, 2, v8hi_ftype_v8hi_v8hi, vmrb_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VH264F, 2, v8hi_ftype_v8hi_v8hi, vh264f_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VH264FT, 2, v8hi_ftype_v8hi_v8hi, vh264ft_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VH264FW, 2, v8hi_ftype_v8hi_v8hi, vh264fw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VVC1F, 2, v8hi_ftype_v8hi_v8hi, vvc1f_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VVC1FT, 2, v8hi_ftype_v8hi_v8hi, vvc1ft_insn, TARGET_SIMD_SET, NULL_TREE)
> +
> +DEF_BUILTIN ( VBADDW, 2, v8hi_ftype_v8hi_int, vbaddw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VBMAXW, 2, v8hi_ftype_v8hi_int, vbmaxw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VBMINW, 2, v8hi_ftype_v8hi_int, vbminw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VBMULAW, 2, v8hi_ftype_v8hi_int, vbmulaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VBMULFW, 2, v8hi_ftype_v8hi_int, vbmulfw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VBMULW, 2, v8hi_ftype_v8hi_int, vbmulw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VBRSUBW, 2, v8hi_ftype_v8hi_int, vbrsubw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VBSUBW, 2, v8hi_ftype_v8hi_int, vbsubw_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, Vb, Ic instructions. */
> -DEF_BUILTIN ( VASRW, 2, v8hi_ftype_v8hi_int, vasrw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSR8, 2, v8hi_ftype_v8hi_int, vsr8_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VSR8AW, 2, v8hi_ftype_v8hi_int, vsr8aw_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN ( VASRW, 2, v8hi_ftype_v8hi_int, vasrw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSR8, 2, v8hi_ftype_v8hi_int, vsr8_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VSR8AW, 2, v8hi_ftype_v8hi_int, vsr8aw_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, Vb, u6 instructions. */
> -DEF_BUILTIN ( VASRRWi, 2, v8hi_ftype_v8hi_int, vasrrwi_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VASRSRWi, 2, v8hi_ftype_v8hi_int, vasrsrwi_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VASRWi, 2, v8hi_ftype_v8hi_int, vasrwi_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VASRPWBi, 2, v8hi_ftype_v8hi_int, vasrpwbi_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VASRRPWBi, 2, v8hi_ftype_v8hi_int, vasrrpwbi_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSR8AWi, 2, v8hi_ftype_v8hi_int, vsr8awi_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSR8i, 2, v8hi_ftype_v8hi_int, vsr8i_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN ( VASRRWi, 2, v8hi_ftype_v8hi_int, vasrrwi_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VASRSRWi, 2, v8hi_ftype_v8hi_int, vasrsrwi_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VASRWi, 2, v8hi_ftype_v8hi_int, vasrwi_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VASRPWBi, 2, v8hi_ftype_v8hi_int, vasrpwbi_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VASRRPWBi, 2, v8hi_ftype_v8hi_int, vasrrpwbi_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSR8AWi, 2, v8hi_ftype_v8hi_int, vsr8awi_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSR8i, 2, v8hi_ftype_v8hi_int, vsr8i_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, Vb, u8 (simm) instructions. */
> -DEF_BUILTIN ( VMVAW, 2, v8hi_ftype_v8hi_int, vmvaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMVW, 2, v8hi_ftype_v8hi_int, vmvw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMVZW, 2, v8hi_ftype_v8hi_int, vmvzw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VD6TAPF, 2, v8hi_ftype_v8hi_int, vd6tapf_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN ( VMVAW, 2, v8hi_ftype_v8hi_int, vmvaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMVW, 2, v8hi_ftype_v8hi_int, vmvw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMVZW, 2, v8hi_ftype_v8hi_int, vmvzw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VD6TAPF, 2, v8hi_ftype_v8hi_int, vd6tapf_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, rlimm, u8 (simm) instructions. */
> -DEF_BUILTIN (VMOVAW, 2, v8hi_ftype_int_int, vmovaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VMOVW, 2, v8hi_ftype_int_int, vmovw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VMOVZW, 2, v8hi_ftype_int_int, vmovzw_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VMOVAW, 2, v8hi_ftype_int_int, vmovaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VMOVW, 2, v8hi_ftype_int_int, vmovw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VMOVZW, 2, v8hi_ftype_int_int, vmovzw_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, Vb instructions. */
> -DEF_BUILTIN ( VABSAW, 1, v8hi_ftype_v8hi, vabsaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VABSW, 1, v8hi_ftype_v8hi, vabsw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VADDSUW, 1, v8hi_ftype_v8hi, vaddsuw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VSIGNW, 1, v8hi_ftype_v8hi, vsignw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VEXCH1, 1, v8hi_ftype_v8hi, vexch1_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VEXCH2, 1, v8hi_ftype_v8hi, vexch2_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VEXCH4, 1, v8hi_ftype_v8hi, vexch4_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VUPBAW, 1, v8hi_ftype_v8hi, vupbaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VUPBW, 1, v8hi_ftype_v8hi, vupbw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VUPSBAW, 1, v8hi_ftype_v8hi, vupsbaw_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VUPSBW, 1, v8hi_ftype_v8hi, vupsbw_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN ( VABSAW, 1, v8hi_ftype_v8hi, vabsaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VABSW, 1, v8hi_ftype_v8hi, vabsw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VADDSUW, 1, v8hi_ftype_v8hi, vaddsuw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VSIGNW, 1, v8hi_ftype_v8hi, vsignw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VEXCH1, 1, v8hi_ftype_v8hi, vexch1_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VEXCH2, 1, v8hi_ftype_v8hi, vexch2_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VEXCH4, 1, v8hi_ftype_v8hi, vexch4_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VUPBAW, 1, v8hi_ftype_v8hi, vupbaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VUPBW, 1, v8hi_ftype_v8hi, vupbw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VUPSBAW, 1, v8hi_ftype_v8hi, vupsbaw_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VUPSBW, 1, v8hi_ftype_v8hi, vupsbw_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* SIMD special DIb, rlimm, rlimm instructions. */
> -DEF_BUILTIN (VDIRUN, 2, void_ftype_int_int, vdirun_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VDORUN, 2, void_ftype_int_int, vdorun_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VDIRUN, 2, void_ftype_int_int, vdirun_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VDORUN, 2, void_ftype_int_int, vdorun_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* SIMD special DIb, limm, rlimm instructions. */
> -DEF_BUILTIN (VDIWR, 2, void_ftype_int_int, vdiwr_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VDOWR, 2, void_ftype_int_int, vdowr_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VDIWR, 2, void_ftype_int_int, vdiwr_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VDOWR, 2, void_ftype_int_int, vdowr_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* rlimm instructions. */
> -DEF_BUILTIN ( VREC, 1, void_ftype_int, vrec_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VRUN, 1, void_ftype_int, vrun_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VRECRUN, 1, void_ftype_int, vrecrun_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VENDREC, 1, void_ftype_int, vendrec_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN ( VREC, 1, void_ftype_int, vrec_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VRUN, 1, void_ftype_int, vrun_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VRECRUN, 1, void_ftype_int, vrecrun_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VENDREC, 1, void_ftype_int, vendrec_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, [Ib,u8] instructions. */
> -DEF_BUILTIN (VLD32WH, 3, v8hi_ftype_v8hi_int_int, vld32wh_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VLD32WL, 3, v8hi_ftype_v8hi_int_int, vld32wl_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VLD64, 3, v8hi_ftype_v8hi_int_int, vld64_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VLD32, 3, v8hi_ftype_v8hi_int_int, vld32_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VLD32WH, 3, v8hi_ftype_v8hi_int_int, vld32wh_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VLD32WL, 3, v8hi_ftype_v8hi_int_int, vld32wl_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VLD64, 3, v8hi_ftype_v8hi_int_int, vld64_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VLD32, 3, v8hi_ftype_v8hi_int_int, vld32_insn, TARGET_SIMD_SET, NULL_TREE)
>
> -DEF_BUILTIN (VLD64W, 2, v8hi_ftype_int_int, vld64w_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VLD128, 2, v8hi_ftype_int_int, vld128_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VLD64W, 2, v8hi_ftype_int_int, vld64w_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VLD128, 2, v8hi_ftype_int_int, vld128_insn, TARGET_SIMD_SET, NULL_TREE)
>
> -DEF_BUILTIN (VST128, 3, void_ftype_v8hi_int_int, vst128_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN ( VST64, 3, void_ftype_v8hi_int_int, vst64_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VST128, 3, void_ftype_v8hi_int_int, vst128_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN ( VST64, 3, void_ftype_v8hi_int_int, vst64_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* Va, [Ib, u8] instructions. */
> -DEF_BUILTIN (VST16_N, 4, void_ftype_v8hi_int_int_int, vst16_n_insn, TARGET_SIMD_SET)
> -DEF_BUILTIN (VST32_N, 4, void_ftype_v8hi_int_int_int, vst32_n_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VST16_N, 4, void_ftype_v8hi_int_int_int, vst16_n_insn, TARGET_SIMD_SET, NULL_TREE)
> +DEF_BUILTIN (VST32_N, 4, void_ftype_v8hi_int_int_int, vst32_n_insn, TARGET_SIMD_SET, NULL_TREE)
>
> -DEF_BUILTIN (VINTI, 1, void_ftype_int, vinti_insn, TARGET_SIMD_SET)
> +DEF_BUILTIN (VINTI, 1, void_ftype_int, vinti_insn, TARGET_SIMD_SET, NULL_TREE)
>
> /* END SIMD marker. */
> -DEF_BUILTIN (SIMD_END, 0, void_ftype_void, nothing, 0)
> +DEF_BUILTIN (SIMD_END, 0, void_ftype_void, nothing, 0, NULL_TREE)
>
> /* ARCv2 SIMD instructions that use/clobber the accumulator reg. */
> -DEF_BUILTIN (QMACH, 2, long_ftype_v4hi_v4hi, qmach, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (QMACHU, 2, long_ftype_v4hi_v4hi, qmachu, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (QMPYH, 2, long_ftype_v4hi_v4hi, qmpyh, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (QMPYHU, 2, long_ftype_v4hi_v4hi, qmpyhu, TARGET_PLUS_QMACW)
> +DEF_BUILTIN (QMACH, 2, long_ftype_v4hi_v4hi, qmach, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (QMACHU, 2, long_ftype_v4hi_v4hi, qmachu, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (QMPYH, 2, long_ftype_v4hi_v4hi, qmpyh, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (QMPYHU, 2, long_ftype_v4hi_v4hi, qmpyhu, TARGET_PLUS_QMACW, NULL_TREE)
>
> -DEF_BUILTIN (DMACH, 2, int_ftype_v2hi_v2hi, dmach, TARGET_PLUS_DMPY)
> -DEF_BUILTIN (DMACHU, 2, int_ftype_v2hi_v2hi, dmachu, TARGET_PLUS_DMPY)
> -DEF_BUILTIN (DMPYH, 2, int_ftype_v2hi_v2hi, dmpyh, TARGET_PLUS_DMPY)
> -DEF_BUILTIN (DMPYHU, 2, int_ftype_v2hi_v2hi, dmpyhu, TARGET_PLUS_DMPY)
> +DEF_BUILTIN (DMACH, 2, int_ftype_v2hi_v2hi, dmach, TARGET_PLUS_DMPY, NULL_TREE)
> +DEF_BUILTIN (DMACHU, 2, int_ftype_v2hi_v2hi, dmachu, TARGET_PLUS_DMPY, NULL_TREE)
> +DEF_BUILTIN (DMPYH, 2, int_ftype_v2hi_v2hi, dmpyh, TARGET_PLUS_DMPY, NULL_TREE)
> +DEF_BUILTIN (DMPYHU, 2, int_ftype_v2hi_v2hi, dmpyhu, TARGET_PLUS_DMPY, NULL_TREE)
>
> -DEF_BUILTIN (DMACWH, 2, long_ftype_v2si_v2hi, dmacwh, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (DMACWHU, 2, long_ftype_v2si_v2hi, dmacwhu, TARGET_PLUS_QMACW)
> +DEF_BUILTIN (DMACWH, 2, long_ftype_v2si_v2hi, dmacwh, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (DMACWHU, 2, long_ftype_v2si_v2hi, dmacwhu, TARGET_PLUS_QMACW, NULL_TREE)
>
> -DEF_BUILTIN (VMAC2H, 2, v2si_ftype_v2hi_v2hi, vmac2h, TARGET_PLUS_MACD)
> -DEF_BUILTIN (VMAC2HU, 2, v2si_ftype_v2hi_v2hi, vmac2hu, TARGET_PLUS_MACD)
> -DEF_BUILTIN (VMPY2H, 2, v2si_ftype_v2hi_v2hi, vmpy2h, TARGET_PLUS_MACD)
> -DEF_BUILTIN (VMPY2HU, 2, v2si_ftype_v2hi_v2hi, vmpy2hu, TARGET_PLUS_MACD)
> +DEF_BUILTIN (VMAC2H, 2, v2si_ftype_v2hi_v2hi, vmac2h, TARGET_PLUS_MACD, NULL_TREE)
> +DEF_BUILTIN (VMAC2HU, 2, v2si_ftype_v2hi_v2hi, vmac2hu, TARGET_PLUS_MACD, NULL_TREE)
> +DEF_BUILTIN (VMPY2H, 2, v2si_ftype_v2hi_v2hi, vmpy2h, TARGET_PLUS_MACD, NULL_TREE)
> +DEF_BUILTIN (VMPY2HU, 2, v2si_ftype_v2hi_v2hi, vmpy2hu, TARGET_PLUS_MACD, NULL_TREE)
>
> /* Combined add/sub HS SIMD instructions. */
> -DEF_BUILTIN (VADDSUB2H, 2, v2hi_ftype_v2hi_v2hi, addsubv2hi3, TARGET_PLUS_DMPY)
> -DEF_BUILTIN (VSUBADD2H, 2, v2hi_ftype_v2hi_v2hi, subaddv2hi3, TARGET_PLUS_DMPY)
> -DEF_BUILTIN (VADDSUB, 2, v2si_ftype_v2si_v2si, addsubv2si3, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (VSUBADD, 2, v2si_ftype_v2si_v2si, subaddv2si3, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (VADDSUB4H, 2, v4hi_ftype_v4hi_v4hi, addsubv4hi3, TARGET_PLUS_QMACW)
> -DEF_BUILTIN (VSUBADD4H, 2, v4hi_ftype_v4hi_v4hi, subaddv4hi3, TARGET_PLUS_QMACW)
> +DEF_BUILTIN (VADDSUB2H, 2, v2hi_ftype_v2hi_v2hi, addsubv2hi3, TARGET_PLUS_DMPY, NULL_TREE)
> +DEF_BUILTIN (VSUBADD2H, 2, v2hi_ftype_v2hi_v2hi, subaddv2hi3, TARGET_PLUS_DMPY, NULL_TREE)
> +DEF_BUILTIN (VADDSUB, 2, v2si_ftype_v2si_v2si, addsubv2si3, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (VSUBADD, 2, v2si_ftype_v2si_v2si, subaddv2si3, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (VADDSUB4H, 2, v4hi_ftype_v4hi_v4hi, addsubv4hi3, TARGET_PLUS_QMACW, NULL_TREE)
> +DEF_BUILTIN (VSUBADD4H, 2, v4hi_ftype_v4hi_v4hi, subaddv4hi3, TARGET_PLUS_QMACW, NULL_TREE)
> --
> 2.34.1
>
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