forked from OSchip/llvm-project
141 lines
4.9 KiB
LLVM
141 lines
4.9 KiB
LLVM
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 \
|
|
; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-SCALAR %s
|
|
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 \
|
|
; RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-VECTOR %s
|
|
|
|
declare double @llvm.experimental.constrained.fma.f64(double %f1, double %f2, double %f3, metadata, metadata)
|
|
|
|
define double @f1(double %f1, double %f2, double %acc) #0 {
|
|
; CHECK-LABEL: f1:
|
|
; CHECK-SCALAR: msdbr %f4, %f0, %f2
|
|
; CHECK-SCALAR: ldr %f0, %f4
|
|
; CHECK-VECTOR: wfmsdb %f0, %f0, %f2, %f4
|
|
; CHECK: br %r14
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f2(double %f1, double *%ptr, double %acc) #0 {
|
|
; CHECK-LABEL: f2:
|
|
; CHECK: msdb %f2, %f0, 0(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f3(double %f1, double *%base, double %acc) #0 {
|
|
; CHECK-LABEL: f3:
|
|
; CHECK: msdb %f2, %f0, 4088(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double, double *%base, i64 511
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f4(double %f1, double *%base, double %acc) #0 {
|
|
; The important thing here is that we don't generate an out-of-range
|
|
; displacement. Other sequences besides this one would be OK.
|
|
;
|
|
; CHECK-LABEL: f4:
|
|
; CHECK: aghi %r2, 4096
|
|
; CHECK: msdb %f2, %f0, 0(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double, double *%base, i64 512
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f5(double %f1, double *%base, double %acc) #0 {
|
|
; Here too the important thing is that we don't generate an out-of-range
|
|
; displacement. Other sequences besides this one would be OK.
|
|
;
|
|
; CHECK-LABEL: f5:
|
|
; CHECK: aghi %r2, -8
|
|
; CHECK: msdb %f2, %f0, 0(%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double, double *%base, i64 -1
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f6(double %f1, double *%base, i64 %index, double %acc) #0 {
|
|
; CHECK-LABEL: f6:
|
|
; CHECK: sllg %r1, %r3, 3
|
|
; CHECK: msdb %f2, %f0, 0(%r1,%r2)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%ptr = getelementptr double, double *%base, i64 %index
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f7(double %f1, double *%base, i64 %index, double %acc) #0 {
|
|
; CHECK-LABEL: f7:
|
|
; CHECK: sllg %r1, %r3, 3
|
|
; CHECK: msdb %f2, %f0, 4088({{%r1,%r2|%r2,%r1}})
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%index2 = add i64 %index, 511
|
|
%ptr = getelementptr double, double *%base, i64 %index2
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
define double @f8(double %f1, double *%base, i64 %index, double %acc) #0 {
|
|
; CHECK-LABEL: f8:
|
|
; CHECK: sllg %r1, %r3, 3
|
|
; CHECK: lay %r1, 4096({{%r1,%r2|%r2,%r1}})
|
|
; CHECK: msdb %f2, %f0, 0(%r1)
|
|
; CHECK: ldr %f0, %f2
|
|
; CHECK: br %r14
|
|
%index2 = add i64 %index, 512
|
|
%ptr = getelementptr double, double *%base, i64 %index2
|
|
%f2 = load double, double *%ptr
|
|
%negacc = fneg double %acc
|
|
%res = call double @llvm.experimental.constrained.fma.f64 (
|
|
double %f1, double %f2, double %negacc,
|
|
metadata !"round.dynamic",
|
|
metadata !"fpexcept.strict") #0
|
|
ret double %res
|
|
}
|
|
|
|
attributes #0 = { strictfp }
|