reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
; Test 64-bit floating-point stores.
;
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s

; Test the low end of the STD range.
define void @f1(double *%src, double %val) {
; CHECK-LABEL: f1:
; CHECK: std %f0, 0(%r2)
; CHECK: br %r14
  store double %val, double *%src
  ret void
}

; Test the high end of the STD range.
define void @f2(double *%src, double %val) {
; CHECK-LABEL: f2:
; CHECK: std %f0, 4088(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 511
  store double %val, double *%ptr
  ret void
}

; Check the next doubleword up, which should use STDY instead of STD.
define void @f3(double *%src, double %val) {
; CHECK-LABEL: f3:
; CHECK: stdy %f0, 4096(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 512
  store double %val, double *%ptr
  ret void
}

; Check the high end of the aligned STDY range.
define void @f4(double *%src, double %val) {
; CHECK-LABEL: f4:
; CHECK: stdy %f0, 524280(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 65535
  store double %val, double *%ptr
  ret void
}

; Check the next doubleword up, which needs separate address logic.
; Other sequences besides this one would be OK.
define void @f5(double *%src, double %val) {
; CHECK-LABEL: f5:
; CHECK: agfi %r2, 524288
; CHECK: std %f0, 0(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 65536
  store double %val, double *%ptr
  ret void
}

; Check the high end of the negative aligned STDY range.
define void @f6(double *%src, double %val) {
; CHECK-LABEL: f6:
; CHECK: stdy %f0, -8(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 -1
  store double %val, double *%ptr
  ret void
}

; Check the low end of the STDY range.
define void @f7(double *%src, double %val) {
; CHECK-LABEL: f7:
; CHECK: stdy %f0, -524288(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 -65536
  store double %val, double *%ptr
  ret void
}

; Check the next doubleword down, which needs separate address logic.
; Other sequences besides this one would be OK.
define void @f8(double *%src, double %val) {
; CHECK-LABEL: f8:
; CHECK: agfi %r2, -524296
; CHECK: std %f0, 0(%r2)
; CHECK: br %r14
  %ptr = getelementptr double, double *%src, i64 -65537
  store double %val, double *%ptr
  ret void
}

; Check that STD allows an index.
define void @f9(i64 %src, i64 %index, double %val) {
; CHECK-LABEL: f9:
; CHECK: std %f0, 4095({{%r3,%r2|%r2,%r3}})
; CHECK: br %r14
  %add1 = add i64 %src, %index
  %add2 = add i64 %add1, 4095
  %ptr = inttoptr i64 %add2 to double *
  store double %val, double *%ptr
  ret void
}

; Check that STDY allows an index.
define void @f10(i64 %src, i64 %index, double %val) {
; CHECK-LABEL: f10:
; CHECK: stdy %f0, 4096({{%r3,%r2|%r2,%r3}})
; CHECK: br %r14
  %add1 = add i64 %src, %index
  %add2 = add i64 %add1, 4096
  %ptr = inttoptr i64 %add2 to double *
  store double %val, double *%ptr
  ret void
}