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[SveEmitter] Add builtins for FFR manipulation 

This patch adds builtins for:
- svrdffr, svrdffr_z
- svsetffr
- svwrffr
This commit is contained in:
Sander de Smalen 2020-05-07 11:12:59 +01:00
parent 91cb13f90d
commit ac894a5181
4 changed files with 49 additions and 0 deletions
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8
clang/include/clang/Basic/arm_sve.td
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@ -1137,6 +1137,14 @@ def SVPTEST_ANY : SInst<"svptest_any", "sPP", "Pc", MergeNone, "aarch64_sve_
def SVPTEST_FIRST : SInst<"svptest_first", "sPP", "Pc", MergeNone, "aarch64_sve_ptest_first">;
def SVPTEST_LAST : SInst<"svptest_last", "sPP", "Pc", MergeNone, "aarch64_sve_ptest_last">;
////////////////////////////////////////////////////////////////////////////////
// FFR manipulation
def SVRDFFR : SInst<"svrdffr", "P", "Pc", MergeNone, "", [IsOverloadNone]>;
def SVRDFFR_Z : SInst<"svrdffr_z", "PP", "Pc", MergeNone, "", [IsOverloadNone]>;
def SVSETFFR : SInst<"svsetffr", "v", "", MergeNone, "", [IsOverloadNone]>;
def SVWRFFR : SInst<"svwrffr", "vP", "Pc", MergeNone, "", [IsOverloadNone]>;
////////////////////////////////////////////////////////////////////////////////
// Counting elements

19
clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_rdffr.c Normal file
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@ -0,0 +1,19 @@
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
#include <arm_sve.h>
svbool_t test_svrdffr()
{
// CHECK-LABEL: test_svrdffr
// CHECK: %[[INTRINSIC:.*]] = call <vscale x 16 x i1> @llvm.aarch64.sve.rdffr()
// CHECK: ret <vscale x 16 x i1> %[[INTRINSIC]]
return svrdffr();
}
svbool_t test_svrdffr_z(svbool_t pg)
{
// CHECK-LABEL: test_svrdffr_z
// CHECK: %[[INTRINSIC:.*]] = call <vscale x 16 x i1> @llvm.aarch64.sve.rdffr.z(<vscale x 16 x i1> %pg)
// CHECK: ret <vscale x 16 x i1> %[[INTRINSIC]]
return svrdffr_z(pg);
}

11
clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_setffr.c Normal file
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@ -0,0 +1,11 @@
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
#include <arm_sve.h>
void test_svsetffr()
{
// CHECK-LABEL: test_svsetffr
// CHECK: call void @llvm.aarch64.sve.setffr()
// CHECK: ret void
svsetffr();
}

11
clang/test/CodeGen/aarch64-sve-intrinsics/acle_sve_wrffr.c Normal file
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@ -0,0 +1,11 @@
// RUN: %clang_cc1 -D__ARM_FEATURE_SVE -triple aarch64-none-linux-gnu -target-feature +sve -fallow-half-arguments-and-returns -S -O1 -Werror -Wall -emit-llvm -o - %s | FileCheck %s
#include <arm_sve.h>
void test_svwrffr(svbool_t op)
{
// CHECK-LABEL: test_svwrffr
// CHECK: call void @llvm.aarch64.sve.wrffr(<vscale x 16 x i1> %op)
// CHECK: ret void
svwrffr(op);
}