[llvm-bugs] [Bug 34296] New: [PowerPC][VSX] Missing builtins __builtin_pack_vector_int128 / __builtin_unpack_vector_int128 / vec_ld(int __a, const vector unsigned long *__b) / __builtin_crypto_vpmsumw / vxor(vector unsigned long, vector unsigned long)

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34296

            Bug ID: 34296
           Summary: [PowerPC][VSX] Missing builtins
                    __builtin_pack_vector_int128 /
                    __builtin_unpack_vector_int128 / vec_ld(int __a, const
                    vector unsigned long *__b) / __builtin_crypto_vpmsumw
                    / vxor(vector unsigned long, vector unsigned long)
           Product: clang
           Version: trunk
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: danielgb at au1.ibm.com
                CC: llvm-bugs at lists.llvm.org

>From bottom of page:

https://gcc.gnu.org/onlinedocs/gcc/PowerPC-Built-in-Functions.html

and operations on vector unsigned long.

/home/danielgb/toolchain-clang/bin/clang -m64 -g -O2 -mcpu=power8
-mpower8-vector -Wall -maltivec -mvsx   -c -o vec_crc32.o vec_crc32.c

vec_crc32.c:123:31: error: use of unknown builtin
'__builtin_pack_vector_int128' [-Wimplicit-function-declaration]
        vcrc = (vector unsigned long)__builtin_pack_vector_int128(0UL, crc);
                                     ^

============
vec_ld(int __a, const vector unsigned long *__b) also missing:

vec_crc32.c:136:13: error: call to 'vec_ld' is ambiguous
                vconst1 = vec_ld(offset, vcrc_short_const);
                          ^~~~~~

crc32_constants.h:static const __vector unsigned long vcrc_short_const[16]


vec_crc32.c:143:37: error: use of unknown builtin '__builtin_crypto_vpmsumw'
[-Wimplicit-function-declaration]
                vdata0 = (__vector unsigned long) __builtin_crypto_vpmsumw
                                                  ^


$ /home/danielgb/toolchain-clang/bin/clang --version
clang version 6.0.0 (llvm-clang.git ce7e9f1524037ca01fa3c5d395dcde87beb25dba)
llvm.git aa58e7feb3cddfde2f2794b5092c8bdff4bc9977)
Target: powerpc64le-unknown-linux-gnu
Thread model: posix
InstalledDir: /home/danielgb/toolchain-clang/bin



code:
https://github.com/racardoso/crc32-vpmsum/tree/power_intrinsics
make CC=/home/danielgb/toolchain-clang/bin/clang   vec_crc32_test 
vec_crc32_bench

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