File: atomic-memops-fp128.ll

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (31 lines) | stat: -rw-r--r-- 872 bytes parent folder | download | duplicates (8) 
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
 
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
;
; Test fpext of atomic loads to fp128 without VectorEnhancements1 (using FP register pairs).

define fp128 @f1(ptr %src) {
; CHECK-LABEL: f1:
; CHECK:       # %bb.0:
; CHECK-NEXT:    lxeb %f0, 0(%r3)
; CHECK-NEXT:    std %f0, 0(%r2)
; CHECK-NEXT:    std %f2, 8(%r2)
; CHECK-NEXT:    br %r14
  %V  = load atomic float, ptr %src seq_cst, align 4
  %Res = fpext float %V to fp128
  ret fp128 %Res
}

define fp128 @f2(ptr %src) {
; CHECK-LABEL: f2:
; CHECK:       # %bb.0:
; CHECK-NEXT:    lxdb %f0, 0(%r3)
; CHECK-NEXT:    std %f0, 0(%r2)
; CHECK-NEXT:    std %f2, 8(%r2)
; CHECK-NEXT:    br %r14
  %V  = load atomic double, ptr %src seq_cst, align 8
  %Res = fpext double %V to fp128
  ret fp128 %Res
}