a1710eb3cd
The LIT test cases were migrated with the script provided by Nikita Popov. No manual changes were made. Committed without review since no functional changes, after consultation with uweigand.
152 lines
3.9 KiB
LLVM
152 lines
3.9 KiB
LLVM
; Test 128-bit floating-point stores.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
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; Check stores with no offset.
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define void @f1(i64 %src, double %val) {
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; CHECK-LABEL: f1:
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%ptr = inttoptr i64 %src to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the highest aligned offset that allows STD for both halves.
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define void @f2(i64 %src, double %val) {
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; CHECK-LABEL: f2:
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; CHECK: std %f0, 4080(%r2)
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; CHECK: std %f2, 4088(%r2)
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; CHECK: br %r14
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%add = add i64 %src, 4080
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the next doubleword up, which requires a mixture of STD and STDY.
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define void @f3(i64 %src, double %val) {
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; CHECK-LABEL: f3:
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; CHECK: std %f0, 4088(%r2)
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; CHECK: stdy %f2, 4096(%r2)
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; CHECK: br %r14
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%add = add i64 %src, 4088
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the next doubleword after that, which requires STDY for both halves.
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define void @f4(i64 %src, double %val) {
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; CHECK-LABEL: f4:
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; CHECK: stdy %f0, 4096(%r2)
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; CHECK: stdy %f2, 4104(%r2)
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; CHECK: br %r14
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%add = add i64 %src, 4096
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the highest aligned offset that allows STDY for both halves.
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define void @f5(i64 %src, double %val) {
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; CHECK-LABEL: f5:
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; CHECK: stdy %f0, 524272(%r2)
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; CHECK: stdy %f2, 524280(%r2)
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; CHECK: br %r14
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%add = add i64 %src, 524272
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the next doubleword up, which requires separate address logic.
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; Other sequences besides this one would be OK.
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define void @f6(i64 %src, double %val) {
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; CHECK-LABEL: f6:
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; CHECK: lay %r1, 524280(%r2)
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; CHECK: std %f0, 0(%r1)
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; CHECK: std %f2, 8(%r1)
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; CHECK: br %r14
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%add = add i64 %src, 524280
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the highest aligned negative offset, which needs a combination of
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; STDY and STD.
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define void @f7(i64 %src, double %val) {
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; CHECK-LABEL: f7:
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; CHECK: stdy %f0, -8(%r2)
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; CHECK: std %f2, 0(%r2)
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; CHECK: br %r14
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%add = add i64 %src, -8
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the next doubleword down, which requires STDY for both halves.
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define void @f8(i64 %src, double %val) {
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; CHECK-LABEL: f8:
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; CHECK: stdy %f0, -16(%r2)
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; CHECK: stdy %f2, -8(%r2)
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; CHECK: br %r14
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%add = add i64 %src, -16
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the lowest offset that allows STDY for both halves.
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define void @f9(i64 %src, double %val) {
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; CHECK-LABEL: f9:
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; CHECK: stdy %f0, -524288(%r2)
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; CHECK: stdy %f2, -524280(%r2)
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; CHECK: br %r14
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%add = add i64 %src, -524288
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check the next doubleword down, which requires separate address logic.
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; Other sequences besides this one would be OK.
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define void @f10(i64 %src, double %val) {
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; CHECK-LABEL: f10:
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; CHECK: agfi %r2, -524296
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; CHECK: std %f0, 0(%r2)
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; CHECK: std %f2, 8(%r2)
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; CHECK: br %r14
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%add = add i64 %src, -524296
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%ptr = inttoptr i64 %add to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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; Check that indices are allowed.
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define void @f11(i64 %src, i64 %index, double %val) {
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; CHECK-LABEL: f11:
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; CHECK: std %f0, 4088({{%r2,%r3|%r3,%r2}})
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; CHECK: stdy %f2, 4096({{%r2,%r3|%r3,%r2}})
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; CHECK: br %r14
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%add1 = add i64 %src, %index
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%add2 = add i64 %add1, 4088
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%ptr = inttoptr i64 %add2 to ptr
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%ext = fpext double %val to fp128
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store fp128 %ext, ptr %ptr
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ret void
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}
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