@@ -302,4 +302,6 @@ th_mempair_output_move (rtx[4], bool, machine_mode, RTX_CODE);
#endif
extern bool riscv_use_divmod_expander (void);
+void riscv_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
+
#endif /* ! GCC_RISCV_PROTOS_H */
@@ -3795,6 +3795,99 @@ riscv_pass_fpr_pair (machine_mode mode, unsigned regno1,
GEN_INT (offset2))));
}
+/* Use the TYPE_SIZE to distinguish the type with vector_size attribute and
+ intrinsic vector type. Because we can't get the decl for the params. */
+
+static bool
+riscv_scalable_vector_type_p (const_tree type)
+{
+ tree size = TYPE_SIZE (type);
+ if (size && TREE_CODE (size) == INTEGER_CST)
+ return false;
+
+ /* For the data type like vint32m1_t, the size code is POLY_INT_CST. */
+ return true;
+}
+
+static bool
+riscv_arg_has_vector (const_tree type)
+{
+ bool is_vector = false;
+
+ switch (TREE_CODE (type))
+ {
+ case RECORD_TYPE:
+ if (!COMPLETE_TYPE_P (type))
+ break;
+
+ for (tree f = TYPE_FIELDS (type); f; f = DECL_CHAIN (f))
+ if (TREE_CODE (f) == FIELD_DECL)
+ {
+ tree field_type = TREE_TYPE (f);
+ if (!TYPE_P (field_type))
+ break;
+
+ /* Ignore it if it's fixed length vector. */
+ if (VECTOR_TYPE_P (field_type))
+ is_vector = riscv_scalable_vector_type_p (field_type);
+ else
+ is_vector = riscv_arg_has_vector (field_type);
+ }
+
+ break;
+
+ case VECTOR_TYPE:
+ is_vector = riscv_scalable_vector_type_p (type);
+ break;
+
+ default:
+ is_vector = false;
+ break;
+ }
+
+ return is_vector;
+}
+
+/* Pass the type to check whether it's a vector type or contains vector type.
+ Only check the value type and no checking for vector pointer type. */
+
+static void
+riscv_pass_in_vector_p (const_tree type)
+{
+ static int warned = 0;
+
+ if (type && riscv_arg_has_vector (type) && !warned)
+ {
+ warning (OPT_Wpsabi, "ABI for the scalable vector type is currently in "
+ "experimental stage and may changes in the upcoming version of "
+ "GCC.");
+ warned = 1;
+ }
+}
+
+/* Initialize a variable CUM of type CUMULATIVE_ARGS
+ for a call to a function whose data type is FNTYPE.
+ For a library call, FNTYPE is 0. */
+
+void
+riscv_init_cumulative_args (CUMULATIVE_ARGS *cum,
+ tree fntype ATTRIBUTE_UNUSED,
+ rtx libname ATTRIBUTE_UNUSED,
+ tree fndecl,
+ int caller ATTRIBUTE_UNUSED)
+{
+ memset (cum, 0, sizeof (*cum));
+
+ if (fndecl)
+ {
+ const tree_function_decl &fn
+ = FUNCTION_DECL_CHECK (fndecl)->function_decl;
+
+ if (fn.built_in_class == NOT_BUILT_IN)
+ cum->rvv_psabi_warning = 1;
+ }
+}
+
/* Fill INFO with information about a single argument, and return an
RTL pattern to pass or return the argument. CUM is the cumulative
state for earlier arguments. MODE is the mode of this argument and
@@ -3816,6 +3909,12 @@ riscv_get_arg_info (struct riscv_arg_info *info, const CUMULATIVE_ARGS *cum,
info->gpr_offset = cum->num_gprs;
info->fpr_offset = cum->num_fprs;
+ if (cum->rvv_psabi_warning)
+ {
+ /* Only check existing of vector type. */
+ riscv_pass_in_vector_p (type);
+ }
+
/* TODO: Currently, it will cause an ICE for --param
riscv-autovec-preference=fixed-vlmax. So, we just return NULL_RTX here
let GCC generate loads/stores. Ideally, we should either warn the user not
@@ -3973,7 +4072,18 @@ riscv_function_value (const_tree type, const_tree func, machine_mode mode)
}
memset (&args, 0, sizeof args);
- return riscv_get_arg_info (&info, &args, mode, type, true, true);
+
+ const_tree arg_type = type;
+ if (func && DECL_RESULT (func))
+ {
+ const tree_function_decl &fn = FUNCTION_DECL_CHECK (func)->function_decl;
+ if (fn.built_in_class == NOT_BUILT_IN)
+ args.rvv_psabi_warning = 1;
+
+ arg_type = TREE_TYPE (DECL_RESULT (func));
+ }
+
+ return riscv_get_arg_info (&info, &args, mode, arg_type, true, true);
}
/* Implement TARGET_PASS_BY_REFERENCE. */
@@ -677,6 +677,8 @@ typedef struct {
/* Number of floating-point registers used so far, likewise. */
unsigned int num_fprs;
+
+ int rvv_psabi_warning;
} CUMULATIVE_ARGS;
/* Initialize a variable CUM of type CUMULATIVE_ARGS
@@ -684,7 +686,8 @@ typedef struct {
For a library call, FNTYPE is 0. */
#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
- memset (&(CUM), 0, sizeof (CUM))
+ riscv_init_cumulative_args (&(CUM), (FNTYPE), (LIBNAME), (INDIRECT), \
+ (N_NAMED_ARGS) != -1)
#define EPILOGUE_USES(REGNO) riscv_epilogue_uses (REGNO)
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64d -O2" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O2 -Wno-psabi" } */
typedef int a;
using c = float;
template < typename > using e = int;
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64d -O3" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -Wno-psabi" } */
typedef long size_t;
typedef signed char int8_t;
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv32gcv -mabi=ilp32 -O3" } */
+/* { dg-options "-march=rv32gcv -mabi=ilp32 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
vint16mf4_t test___riscv_vwmulsu_vx_i16mf4(vbool64_t mask, vint16mf4_t merge, vint8mf8_t op1,int8_t op2,size_t vl)
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
vbool1_t test_vreinterpret_v_i8m1_b1 (vint8m1_t src) {
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-O3 -march=rv32gcv -mabi=ilp32d" } */
+/* { dg-options "-O3 -march=rv32gcv -mabi=ilp32d -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv32gcv -mabi=ilp32d -fno-schedule-insns -fno-schedule-insns2 -O3" } */
+/* { dg-options "-march=rv32gcv -mabi=ilp32d -fno-schedule-insns -fno-schedule-insns2 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv32gcv -mabi=ilp32 -mpreferred-stack-boundary=3 -fno-schedule-insns -fno-schedule-insns2 -O3" } */
+/* { dg-options "-march=rv32gcv -mabi=ilp32 -mpreferred-stack-boundary=3 -fno-schedule-insns -fno-schedule-insns2 -O3 -Wno-psabi" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-msave-restore -march=rv32gc_zve64d -mabi=ilp32 -msave-restore -fno-schedule-insns -fno-schedule-insns2 -O3" } */
+/* { dg-options "-msave-restore -march=rv32gc_zve64d -mabi=ilp32 -msave-restore -fno-schedule-insns -fno-schedule-insns2 -O3 -Wno-psabi" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv32gc_zve64d -mabi=ilp32 -fno-schedule-insns -fno-schedule-insns2 -O3" } */
+/* { dg-options "-march=rv32gc_zve64d -mabi=ilp32 -fno-schedule-insns -fno-schedule-insns2 -O3 -Wno-psabi" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d -O3 -fno-schedule-insns -fno-schedule-insns2 -Wno-psabi" } */
#include <riscv_vector.h>
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv_zvfh -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv_zvfh -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv_zvfh -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv_zvfh -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv64gcv_zvfhmin -mabi=lp64 -O3" } */
+/* { dg-options "-march=rv64gcv_zvfhmin -mabi=lp64 -O3 -Wno-psabi" } */
#include "riscv_vector.h"
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-options "-march=rv32gcv -mabi=ilp32 -fno-schedule-insns -fno-schedule-insns2" } */
+/* { dg-options "-march=rv32gcv -mabi=ilp32 -fno-schedule-insns -fno-schedule-insns2 -Wno-psabi" } */
#include "riscv_vector.h"
new file mode 100644
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-O0 -march=rv64gcv -mabi=lp64d" } */
+
+#include "riscv_vector.h"
+
+void
+fun (vint32m1_t a) { } /* { dg-warning "the scalable vector type" } */
+
+void
+bar ()
+{
+ vint32m1_t a;
+ fun (a);
+}
new file mode 100644
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d" } */
+/* { dg-skip-if "" { *-*-* } { "-flto" } { "" } } */
+
+#include "riscv_vector.h"
+
+vint32m1_t
+fun (vint32m1_t* a) { return *a; } /* { dg-warning "the scalable vector type" } */
+
+void
+bar ()
+{
+ vint32m1_t a;
+ fun (&a);
+}
new file mode 100644
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d" } */
+
+#include "riscv_vector.h"
+
+vint32m1_t*
+fun (vint32m1_t* a) { return a; } /* { dg-bogus "the scalable vector type" } */
+
+void
+bar ()
+{
+ vint32m1_t a;
+ fun (&a);
+}
new file mode 100644
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d" } */
+
+#include "riscv_vector.h"
+
+typedef int v4si __attribute__ ((vector_size (16)));
+
+v4si
+fun (v4si a) { return a; } /* { dg-bogus "the scalable vector type" } */
+
+void
+bar ()
+{
+ v4si a;
+ fun (a);
+}
new file mode 100644
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d" } */
+
+typedef int v4si __attribute__ ((vector_size (16)));
+struct A { int a; v4si b; };
+
+void
+fun (struct A a) {} /* { dg-bogus "the scalable vector type" } */
+
+void
+bar ()
+{
+ struct A a;
+ fun (a);
+}
new file mode 100644
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-march=rv64gcv -mabi=lp64d" } */
+#include "riscv_vector.h"
+
+void
+foo(int32_t *in1, int32_t *in2, int32_t *in3, int32_t *out,
+ size_t n, int cond) {
+ size_t vl;
+ if (cond)
+ vl = __riscv_vsetvlmax_e32m1();
+ else
+ vl = __riscv_vsetvlmax_e16mf2();
+ for (size_t i = 0; i < n; i += 1)
+ {
+ vint32m1_t a = __riscv_vle32_v_i32m1(in1, vl); /* { dg-bogus "the scalable vector type" } */
+ vint32m1_t b = __riscv_vle32_v_i32m1_tu(a, in2, vl);
+ vint32m1_t c = __riscv_vle32_v_i32m1_tu(b, in3, vl);
+ __riscv_vse32_v_i32m1(out, c, vl);
+ }
+}