You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
2.2 KiB
66 lines
2.2 KiB
; Test f128 floating-point strict truncations/extensions on z14.
|
|
;
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
|
|
|
|
declare float @llvm.experimental.constrained.fptrunc.f32.f128(fp128, metadata, metadata)
|
|
declare double @llvm.experimental.constrained.fptrunc.f64.f128(fp128, metadata, metadata)
|
|
|
|
declare fp128 @llvm.experimental.constrained.fpext.f128.f32(float, metadata)
|
|
declare fp128 @llvm.experimental.constrained.fpext.f128.f64(double, metadata)
|
|
|
|
; Test f128->f64.
|
|
define double @f1(fp128 *%ptr) #0 {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
|
|
; CHECK: wflrx %f0, [[REG]], 0, 0
|
|
; CHECK: br %r14
|
|
%val = load fp128, fp128 *%ptr
|
|
%res = call double @llvm.experimental.constrained.fptrunc.f64.f128(
|
|
fp128 %val,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
; Test f128->f32.
|
|
define float @f2(fp128 *%ptr) #0 {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: vl [[REG:%v[0-9]+]], 0(%r2)
|
|
; CHECK: wflrx %f0, [[REG]], 0, 3
|
|
; CHECK: ledbra %f0, 0, %f0, 0
|
|
; CHECK: br %r14
|
|
%val = load fp128, fp128 *%ptr
|
|
%res = call float @llvm.experimental.constrained.fptrunc.f32.f128(
|
|
fp128 %val,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret float %res
|
|
}
|
|
|
|
; Test f64->f128.
|
|
define void @f3(fp128 *%dst, double %val) #0 {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: wflld [[RES:%v[0-9]+]], %f0
|
|
; CHECK: vst [[RES]], 0(%r2)
|
|
; CHECK: br %r14
|
|
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f64(double %val,
|
|
metadata !"fpexcept.strict") #0
|
|
store fp128 %res, fp128 *%dst
|
|
ret void
|
|
}
|
|
|
|
; Test f32->f128.
|
|
define void @f4(fp128 *%dst, float %val) #0 {
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: ldebr %f0, %f0
|
|
; CHECK: wflld [[RES:%v[0-9]+]], %f0
|
|
; CHECK: vst [[RES]], 0(%r2)
|
|
; CHECK: br %r14
|
|
%res = call fp128 @llvm.experimental.constrained.fpext.f128.f32(float %val,
|
|
metadata !"fpexcept.strict") #0
|
|
store fp128 %res, fp128 *%dst
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { strictfp }
|