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Message-ID: <42D72145-184E-4A6C-A18D-AC5A97516423@oracle.com>
Date: Tue, 14 Oct 2025 20:15:04 +0000
From: Qing Zhao <qing.zhao@...cle.com>
To: Kees Cook <kees@...nel.org>,
Claudiu Zissulescu-Ianculescu
<claudiu.zissulescu-ianculescu@...cle.com>
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
CC’ing Claudiu’s oracle email account.
Qing
> On Oct 7, 2025, at 17:02, Qing Zhao <qing.zhao@...cle.com> wrote:
>
> 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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