fp-strict-mul-11.ll
1.7 KB
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; Test strict 128-bit floating-point multiplication on z14.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
declare fp128 @llvm.experimental.constrained.fmul.f128(fp128, fp128, metadata, metadata)
declare fp128 @llvm.experimental.constrained.fpext.f128.f64(double, metadata)
define void @f1(fp128 *%ptr1, fp128 *%ptr2) #0 {
; CHECK-LABEL: f1:
; CHECK-DAG: vl [[REG1:%v[0-9]+]], 0(%r2)
; CHECK-DAG: vl [[REG2:%v[0-9]+]], 0(%r3)
; CHECK: wfmxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]]
; CHECK: vst [[RES]], 0(%r2)
; CHECK: br %r14
%f1 = load fp128, fp128 *%ptr1
%f2 = load fp128, fp128 *%ptr2
%sum = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1, fp128 %f2,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
store fp128 %sum, fp128 *%ptr1
ret void
}
define void @f2(double %f1, double %f2, fp128 *%dst) #0 {
; CHECK-LABEL: f2:
; CHECK-DAG: wflld [[REG1:%v[0-9]+]], %f0
; CHECK-DAG: wflld [[REG2:%v[0-9]+]], %f2
; CHECK: wfmxb [[RES:%v[0-9]+]], [[REG1]], [[REG2]]
; CHECK: vst [[RES]], 0(%r2)
; CHECK: br %r14
%f1x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %f1,
metadata !"fpexcept.strict") #0
%f2x = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %f2,
metadata !"fpexcept.strict") #0
%res = call fp128 @llvm.experimental.constrained.fmul.f128(
fp128 %f1x, fp128 %f2x,
metadata !"round.dynamic",
metadata !"fpexcept.strict") #0
store fp128 %res, fp128 *%dst
ret void
}
attributes #0 = { strictfp }