Message ID | eca0e9eb-8d0c-4d27-abfd-ef4b7264d0b2@linux.ibm.com |
---|---|
State | New |
Headers | show |
Series | [01/11] rs6000, Fix __builtin_vsx_cmple* args and documentation, builtins | expand |
Hi, on 2024/2/21 01:56, Carl Love wrote: > GCC maintainers: > > The patch adds documentation and test cases for the __builtin_vsx_xvnegsp, __builtin_vsx_xvnegdp built-ins. > > The patch has been tested on Power 10 with no regressions. > > Please let me know if this patch is acceptable for mainline. Thanks. > > Carl > ------------------------------------------------------------ > rs6000, __builtin_vsx_xvneg[sp,dp] add documentation and test cases > > Add documentation to the extend.texi file for the two built-ins > __builtin_vsx_xvnegsp, __builtin_vsx_xvnegdp. I think these two are useless, the functionality has been covered by vec_neg in PVIPR, so instead we should get rid of these definitions (bif def table, test cases if there are some). BR, Kewen > > Add test cases for the two built-ins. > > gcc/ChangeLog: > * doc/extend.texi (__builtin_vsx_xvnegsp, __builtin_vsx_xvnegdp): > Add documentation. > > gcc/testsuite/ChangeLog: > * gcc.target/powerpc/vsx-builtin-runnable-2.c: New test case. > --- > gcc/doc/extend.texi | 13 +++++ > .../powerpc/vsx-builtin-runnable-2.c | 51 +++++++++++++++++++ > 2 files changed, 64 insertions(+) > create mode 100644 gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c > > diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi > index 583b1d890bf..83eed9e334b 100644 > --- a/gcc/doc/extend.texi > +++ b/gcc/doc/extend.texi > @@ -21495,6 +21495,19 @@ The @code{__builtin_vsx_xvcvuxwdp} converts single precision unsigned integer > value to a double precision floating point value. Input element at index 2*i > is stored in the destination element i. > > +@smallexample > +vector float __builtin_vsx_xvnegsp (vector float); > +vector double __builtin_vsx_xvnegdp (vector double); > +@end smallexample > + > +The @code{__builtin_vsx_xvnegsp} and @code{__builtin_vsx_xvnegdp} negate each > +vector element. > + > +@smallexample > +vector __int128 __builtin_vsx_xxpermdi_1ti (vector __int128, vector __int128, > +const int); > + > +@end smallexample > @node Basic PowerPC Built-in Functions Available on ISA 2.07 > @subsubsection Basic PowerPC Built-in Functions Available on ISA 2.07 > > diff --git a/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c > new file mode 100644 > index 00000000000..7906a8e01d7 > --- /dev/null > +++ b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c > @@ -0,0 +1,51 @@ > +/* { dg-do run { target { lp64 } } } */ > +/* { dg-require-effective-target powerpc_vsx_ok } */ > +/* { dg-options "-O2 -mdejagnu-cpu=power7" } */ > + > +#define DEBUG 0 > + > +#if DEBUG > +#include <stdio.h> > +#include <stdlib.h> > +#endif > + > +void abort (void); > + > +int main () > +{ > + int i; > + vector double vd_arg1, vd_result, vd_expected_result; > + vector float vf_arg1, vf_result, vf_expected_result; > + > + /* VSX Vector Negate Single-Precision. */ > + > + vf_arg1 = (vector float) {-1.0, 12345.98, -2.1234, 238.9}; > + vf_result = __builtin_vsx_xvnegsp (vf_arg1); > + vf_expected_result = (vector float) {1.0, -12345.98, 2.1234, -238.9}; > + > + for (i = 0; i < 4; i++) > + if (vf_result[i] != vf_expected_result[i]) > +#if DEBUG > + printf("ERROR, __builtin_vsx_xvnegsp: vf_result[%d] = %f, vf_expected_result[%d] = %f\n", > + i, vf_result[i], i, vf_expected_result[i]); > +#else > + abort(); > +#endif > + > + /* VSX Vector Negate Double-Precision. */ > + > + vd_arg1 = (vector double) {12345.98, -2.1234}; > + vd_result = __builtin_vsx_xvnegdp (vd_arg1); > + vd_expected_result = (vector double) {-12345.98, 2.1234}; > + > + for (i = 0; i < 2; i++) > + if (vd_result[i] != vd_expected_result[i]) > +#if DEBUG > + printf("ERROR, __builtin_vsx_xvnegdp: vd_result[%d] = %f, vd_expected_result[%d] = %f\n", > + i, vd_result[i], i, vd_expected_result[i]); > +#else > + abort(); > +#endif > + > + return 0; > +}
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index 583b1d890bf..83eed9e334b 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -21495,6 +21495,19 @@ The @code{__builtin_vsx_xvcvuxwdp} converts single precision unsigned integer value to a double precision floating point value. Input element at index 2*i is stored in the destination element i. +@smallexample +vector float __builtin_vsx_xvnegsp (vector float); +vector double __builtin_vsx_xvnegdp (vector double); +@end smallexample + +The @code{__builtin_vsx_xvnegsp} and @code{__builtin_vsx_xvnegdp} negate each +vector element. + +@smallexample +vector __int128 __builtin_vsx_xxpermdi_1ti (vector __int128, vector __int128, +const int); + +@end smallexample @node Basic PowerPC Built-in Functions Available on ISA 2.07 @subsubsection Basic PowerPC Built-in Functions Available on ISA 2.07 diff --git a/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c new file mode 100644 index 00000000000..7906a8e01d7 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/vsx-builtin-runnable-2.c @@ -0,0 +1,51 @@ +/* { dg-do run { target { lp64 } } } */ +/* { dg-require-effective-target powerpc_vsx_ok } */ +/* { dg-options "-O2 -mdejagnu-cpu=power7" } */ + +#define DEBUG 0 + +#if DEBUG +#include <stdio.h> +#include <stdlib.h> +#endif + +void abort (void); + +int main () +{ + int i; + vector double vd_arg1, vd_result, vd_expected_result; + vector float vf_arg1, vf_result, vf_expected_result; + + /* VSX Vector Negate Single-Precision. */ + + vf_arg1 = (vector float) {-1.0, 12345.98, -2.1234, 238.9}; + vf_result = __builtin_vsx_xvnegsp (vf_arg1); + vf_expected_result = (vector float) {1.0, -12345.98, 2.1234, -238.9}; + + for (i = 0; i < 4; i++) + if (vf_result[i] != vf_expected_result[i]) +#if DEBUG + printf("ERROR, __builtin_vsx_xvnegsp: vf_result[%d] = %f, vf_expected_result[%d] = %f\n", + i, vf_result[i], i, vf_expected_result[i]); +#else + abort(); +#endif + + /* VSX Vector Negate Double-Precision. */ + + vd_arg1 = (vector double) {12345.98, -2.1234}; + vd_result = __builtin_vsx_xvnegdp (vd_arg1); + vd_expected_result = (vector double) {-12345.98, 2.1234}; + + for (i = 0; i < 2; i++) + if (vd_result[i] != vd_expected_result[i]) +#if DEBUG + printf("ERROR, __builtin_vsx_xvnegdp: vd_result[%d] = %f, vd_expected_result[%d] = %f\n", + i, vd_result[i], i, vd_expected_result[i]); +#else + abort(); +#endif + + return 0; +}