File: arm64_vdup.c

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (44 lines) | stat: -rw-r--r-- 1,432 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// RUN: %clang_cc1 -triple arm64-apple-ios7 -target-feature +neon -ffreestanding -o - -emit-llvm %s | FileCheck %s
// Test ARM64 SIMD duplicate lane and n intrinsics

// REQUIRES: aarch64-registered-target || arm-registered-target

#include <arm_neon.h>

void test_vdup_lane_s64(int64x1_t a1) {
  // CHECK-LABEL: test_vdup_lane_s64
  vdup_lane_s64(a1, 0);
  // CHECK: shufflevector
}

void test_vdup_lane_u64(uint64x1_t a1) {
  // CHECK-LABEL: test_vdup_lane_u64
  vdup_lane_u64(a1, 0);
  // CHECK: shufflevector
}

// uncomment out the following code once scalar_to_vector in the backend
// works (for 64 bit?).  Change the "CHECK@" to "CHECK<colon>"
/*
float64x1_t test_vdup_n_f64(float64_t a1) {
  // CHECK-LABEL@ test_vdup_n_f64
  return vdup_n_f64(a1);
  // match that an element is inserted into part 0
  // CHECK@ insertelement {{.*, i32 0 *$}}
}
*/

float16x8_t test_vdupq_n_f16(float16_t *a1) {
  // CHECK-LABEL: test_vdupq_n_f16
  return vdupq_n_f16(*a1);
  // match that an element is inserted into parts 0-7.  The backend better
  // turn that into a single dup instruction
  // CHECK: insertelement {{.*, i32 0 *$}}
  // CHECK: insertelement {{.*, i32 1 *$}}
  // CHECK: insertelement {{.*, i32 2 *$}}
  // CHECK: insertelement {{.*, i32 3 *$}}
  // CHECK: insertelement {{.*, i32 4 *$}}
  // CHECK: insertelement {{.*, i32 5 *$}}
  // CHECK: insertelement {{.*, i32 6 *$}}
  // CHECK: insertelement {{.*, i32 7 *$}}
}