reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

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; Test strict multiplication of two f128s.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s

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

; There is no memory form of 128-bit multiplication.
define void @f1(fp128 *%ptr, float %f2) strictfp {
; CHECK-LABEL: f1:
; CHECK-DAG: lxebr %f0, %f0
; CHECK-DAG: ld %f1, 0(%r2)
; CHECK-DAG: ld %f3, 8(%r2)
; CHECK: mxbr %f0, %f1
; CHECK: std %f0, 0(%r2)
; CHECK: std %f2, 8(%r2)
; CHECK: br %r14
  %f1 = load fp128, fp128 *%ptr
  %f2x = fpext float %f2 to fp128
  %diff = call fp128 @llvm.experimental.constrained.fmul.f128(
                        fp128 %f1, fp128 %f2x,
                        metadata !"round.dynamic",
                        metadata !"fpexcept.strict") strictfp
  store fp128 %diff, fp128 *%ptr
  ret void
}