| ; 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(ptr %src, double %val) { |
| ; CHECK-LABEL: f1: |
| ; CHECK: std %f0, 0(%r2) |
| ; CHECK: br %r14 |
| store double %val, ptr %src |
| ret void |
| } |
| |
| ; Test the high end of the STD range. |
| define void @f2(ptr %src, double %val) { |
| ; CHECK-LABEL: f2: |
| ; CHECK: std %f0, 4088(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 511 |
| store double %val, ptr %ptr |
| ret void |
| } |
| |
| ; Check the next doubleword up, which should use STDY instead of STD. |
| define void @f3(ptr %src, double %val) { |
| ; CHECK-LABEL: f3: |
| ; CHECK: stdy %f0, 4096(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 512 |
| store double %val, ptr %ptr |
| ret void |
| } |
| |
| ; Check the high end of the aligned STDY range. |
| define void @f4(ptr %src, double %val) { |
| ; CHECK-LABEL: f4: |
| ; CHECK: stdy %f0, 524280(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 65535 |
| store double %val, ptr %ptr |
| ret void |
| } |
| |
| ; Check the next doubleword up, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define void @f5(ptr %src, double %val) { |
| ; CHECK-LABEL: f5: |
| ; CHECK: agfi %r2, 524288 |
| ; CHECK: std %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 65536 |
| store double %val, ptr %ptr |
| ret void |
| } |
| |
| ; Check the high end of the negative aligned STDY range. |
| define void @f6(ptr %src, double %val) { |
| ; CHECK-LABEL: f6: |
| ; CHECK: stdy %f0, -8(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 -1 |
| store double %val, ptr %ptr |
| ret void |
| } |
| |
| ; Check the low end of the STDY range. |
| define void @f7(ptr %src, double %val) { |
| ; CHECK-LABEL: f7: |
| ; CHECK: stdy %f0, -524288(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 -65536 |
| store double %val, ptr %ptr |
| ret void |
| } |
| |
| ; Check the next doubleword down, which needs separate address logic. |
| ; Other sequences besides this one would be OK. |
| define void @f8(ptr %src, double %val) { |
| ; CHECK-LABEL: f8: |
| ; CHECK: agfi %r2, -524296 |
| ; CHECK: std %f0, 0(%r2) |
| ; CHECK: br %r14 |
| %ptr = getelementptr double, ptr %src, i64 -65537 |
| store double %val, ptr %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 ptr |
| store double %val, ptr %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 ptr |
| store double %val, ptr %ptr |
| ret void |
| } |