File: fp-strict-sqrt-03.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (23 lines) | stat: -rw-r--r-- 694 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
 
; Test strict 128-bit square root.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

declare fp128 @llvm.experimental.constrained.sqrt.f128(fp128, metadata, metadata)

; There's no memory form of SQXBR.
define void @f1(ptr %ptr) strictfp {
; CHECK-LABEL: f1:
; CHECK: ld %f0, 0(%r2)
; CHECK: ld %f2, 8(%r2)
; CHECK: sqxbr %f0, %f0
; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2)
; CHECK: br %r14
  %orig = load fp128, ptr %ptr
  %sqrt = call fp128 @llvm.experimental.constrained.sqrt.f128(
                        fp128 %orig,
                        metadata !"round.dynamic",
                        metadata !"fpexcept.strict") strictfp
  store fp128 %sqrt, ptr %ptr
  ret void
}