Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/SystemZ/fp-move-05.ll @ 0:95c75e76d11b LLVM3.4
LLVM 3.4
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 13:56:28 +0900 |
parents | |
children | afa8332a0e37 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/SystemZ/fp-move-05.ll Thu Dec 12 13:56:28 2013 +0900 @@ -0,0 +1,151 @@ +; Test 128-bit floating-point loads. +; +; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s + +; Check loads with no offset. +define double @f1(i64 %src) { +; CHECK-LABEL: f1: +; CHECK: ld %f0, 0(%r2) +; CHECK: ld %f2, 8(%r2) +; CHECK: br %r14 + %ptr = inttoptr i64 %src to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the highest aligned offset that allows LD for both halves. +define double @f2(i64 %src) { +; CHECK-LABEL: f2: +; CHECK: ld %f0, 4080(%r2) +; CHECK: ld %f2, 4088(%r2) +; CHECK: br %r14 + %add = add i64 %src, 4080 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the next doubleword up, which requires a mixture of LD and LDY. +define double @f3(i64 %src) { +; CHECK-LABEL: f3: +; CHECK: ld %f0, 4088(%r2) +; CHECK: ldy %f2, 4096(%r2) +; CHECK: br %r14 + %add = add i64 %src, 4088 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the next doubleword after that, which requires LDY for both halves. +define double @f4(i64 %src) { +; CHECK-LABEL: f4: +; CHECK: ldy %f0, 4096(%r2) +; CHECK: ldy %f2, 4104(%r2) +; CHECK: br %r14 + %add = add i64 %src, 4096 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the highest aligned offset that allows LDY for both halves. +define double @f5(i64 %src) { +; CHECK-LABEL: f5: +; CHECK: ldy %f0, 524272(%r2) +; CHECK: ldy %f2, 524280(%r2) +; CHECK: br %r14 + %add = add i64 %src, 524272 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the next doubleword up, which requires separate address logic. +; Other sequences besides this one would be OK. +define double @f6(i64 %src) { +; CHECK-LABEL: f6: +; CHECK: lay %r1, 524280(%r2) +; CHECK: ld %f0, 0(%r1) +; CHECK: ld %f2, 8(%r1) +; CHECK: br %r14 + %add = add i64 %src, 524280 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the highest aligned negative offset, which needs a combination of +; LDY and LD. +define double @f7(i64 %src) { +; CHECK-LABEL: f7: +; CHECK: ldy %f0, -8(%r2) +; CHECK: ld %f2, 0(%r2) +; CHECK: br %r14 + %add = add i64 %src, -8 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the next doubleword down, which requires LDY for both halves. +define double @f8(i64 %src) { +; CHECK-LABEL: f8: +; CHECK: ldy %f0, -16(%r2) +; CHECK: ldy %f2, -8(%r2) +; CHECK: br %r14 + %add = add i64 %src, -16 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the lowest offset that allows LDY for both halves. +define double @f9(i64 %src) { +; CHECK-LABEL: f9: +; CHECK: ldy %f0, -524288(%r2) +; CHECK: ldy %f2, -524280(%r2) +; CHECK: br %r14 + %add = add i64 %src, -524288 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check the next doubleword down, which requires separate address logic. +; Other sequences besides this one would be OK. +define double @f10(i64 %src) { +; CHECK-LABEL: f10: +; CHECK: agfi %r2, -524296 +; CHECK: ld %f0, 0(%r2) +; CHECK: ld %f2, 8(%r2) +; CHECK: br %r14 + %add = add i64 %src, -524296 + %ptr = inttoptr i64 %add to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +} + +; Check that indices are allowed. +define double @f11(i64 %src, i64 %index) { +; CHECK-LABEL: f11: +; CHECK: ld %f0, 4088({{%r2,%r3|%r3,%r2}}) +; CHECK: ldy %f2, 4096({{%r2,%r3|%r3,%r2}}) +; CHECK: br %r14 + %add1 = add i64 %src, %index + %add2 = add i64 %add1, 4088 + %ptr = inttoptr i64 %add2 to fp128 * + %val = load fp128 *%ptr + %trunc = fptrunc fp128 %val to double + ret double %trunc +}