File: atomicrmw-fadd-03.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 (30 lines) | stat: -rw-r--r-- 938 bytes parent folder | download | duplicates (12) 
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
 
; Test atomic long double addition. Expect a compare-and-swap loop.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

define void @f1(ptr %ret, ptr %src, ptr %b) {
; CHECK-LABEL: f1:
; CHECK: [[FBL:%f[0-9]+]], 0(%r4)
; CHECK: [[FBH:%f[0-9]+]], 8(%r4)
; CHECK: [[FSL:%f[0-9]+]], 0(%r3)
; CHECK: [[FSH:%f[0-9]+]], 8(%r3)
; CHECK: [[LABEL:\.L.+]]:
; CHECK: lgdr [[RISH:%r[0-9]+]], [[FSH]]
; CHECK: lgdr [[RISL:%r[0-9]+]], [[FSL]]
; CHECK: axbr [[FSL]], [[FBL]]
; CHECK: lgdr [[ROSH:%r[0-9]+]], [[FSH]]
; CHECK: lgdr [[ROSL:%r[0-9]+]], [[FSL]]
; CHECK: cdsg [[RISL]], [[ROSL]], 0(%r3)
; CHECK: stg [[RISH]], 168(%r15)
; CHECK: stg [[RISL]], 160(%r15)
; CHECK: ld [[FSL]], 160(%r15)
; CHECK: ld [[FSH]], 168(%r15)
; CHECK: jl [[LABEL]]
; CHECK: std [[FSL]], 0(%r2)
; CHECK: std [[FSH]], 8(%r2)
; CHECK: br %r14
  %val = load fp128, ptr %b
  %res = atomicrmw fadd ptr %src, fp128 %val seq_cst
  store fp128 %res, ptr %ret
  ret void
}