Hi All, The following patch has been bootstrapped and regtested on powerpc64le-linux.
PTImode assists in generating even/odd register pairs on 128 bits. When the user specifies PTImode as an attribute, it breaks because there is no internal type to handle this mode. To address this, we have created a tree node with dummy type to handle PTImode. We are not documenting this dummy type since users are not allowed to use this type externally. 2024-03-21 Jeevitha Palanisamy <jeevi...@linux.ibm.com> gcc/ PR target/110411 * config/rs6000/rs6000.h (enum rs6000_builtin_type_index): Add RS6000_BTI_INTPTI. * config/rs6000/rs6000-builtin.cc (rs6000_init_builtins): Add node for PTImode type. gcc/testsuite/ PR target/106895 * gcc.target/powerpc/pr106895.c: New testcase. diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc index 6698274031b..f553c72779e 100644 --- a/gcc/config/rs6000/rs6000-builtin.cc +++ b/gcc/config/rs6000/rs6000-builtin.cc @@ -756,6 +756,15 @@ rs6000_init_builtins (void) else ieee128_float_type_node = NULL_TREE; + /* PTImode to get even/odd register pairs. */ + intPTI_type_internal_node = make_node(INTEGER_TYPE); + TYPE_PRECISION (intPTI_type_internal_node) = GET_MODE_BITSIZE (PTImode); + layout_type (intPTI_type_internal_node); + SET_TYPE_MODE (intPTI_type_internal_node, PTImode); + t = build_qualified_type (intPTI_type_internal_node, TYPE_QUAL_CONST); + lang_hooks.types.register_builtin_type (intPTI_type_internal_node, + "__dummypti"); + /* Vector pair and vector quad support. */ vector_pair_type_node = make_node (OPAQUE_TYPE); SET_TYPE_MODE (vector_pair_type_node, OOmode); diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 68bc45d65ba..b6078077b20 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -2302,6 +2302,7 @@ enum rs6000_builtin_type_index RS6000_BTI_ptr_vector_quad, RS6000_BTI_ptr_long_long, RS6000_BTI_ptr_long_long_unsigned, + RS6000_BTI_INTPTI, RS6000_BTI_MAX }; @@ -2346,6 +2347,7 @@ enum rs6000_builtin_type_index #define uintDI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTDI]) #define intTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTTI]) #define uintTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_UINTTI]) +#define intPTI_type_internal_node (rs6000_builtin_types[RS6000_BTI_INTPTI]) #define float_type_internal_node (rs6000_builtin_types[RS6000_BTI_float]) #define double_type_internal_node (rs6000_builtin_types[RS6000_BTI_double]) #define long_double_type_internal_node (rs6000_builtin_types[RS6000_BTI_long_double]) diff --git a/gcc/testsuite/gcc.target/powerpc/pr106895.c b/gcc/testsuite/gcc.target/powerpc/pr106895.c new file mode 100644 index 00000000000..56547b7fa9d --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/pr106895.c @@ -0,0 +1,15 @@ +/* PR target/106895 */ +/* { dg-require-effective-target int128 } */ +/* { dg-options "-O2" } */ + +/* Verify the following generates even/odd register pairs. */ + +typedef __int128 pti __attribute__((mode(PTI))); + +void +set128 (pti val, pti *mem) +{ + asm("stq %1,%0" : "=m"(*mem) : "r"(val)); +} + +/* { dg-final { scan-assembler "stq \[123\]?\[02468\]" } } */