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Part 1 was submitted in http://reviews.llvm.org/D15134. Changes in this part: * X86RegisterInfo.td, X86RecognizableInstr.cpp: Add FR128 register class. * X86CallingConv.td: Pass f128 values in XMM registers or on stack. * X86InstrCompiler.td, X86InstrInfo.td, X86InstrSSE.td: Add instruction selection patterns for f128. * X86ISelLowering.cpp: When target has MMX registers, configure MVT::f128 in FR128RegClass, with TypeSoftenFloat action, and custom actions for some opcodes. Add missed cases of MVT::f128 in places that handle f32, f64, or vector types. Add TODO comment to support f128 type in inline assembly code. * SelectionDAGBuilder.cpp: Fix infinite loop when f128 type can have VT == TLI.getTypeToTransformTo(Ctx, VT). * Add unit tests for x86-64 fp128 type. Differential Revision: http://reviews.llvm.org/D11438 llvm-svn: 255558
48 lines
2.2 KiB
LLVM
48 lines
2.2 KiB
LLVM
; RUN: llc < %s -O2 -mtriple=x86_64-linux-android -mattr=+mmx | FileCheck %s
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; RUN: llc < %s -O2 -mtriple=x86_64-linux-gnu -mattr=+mmx | FileCheck %s
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; __float128 myFP128 = 1.0L; // x86_64-linux-android
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@myFP128 = global fp128 0xL00000000000000003FFF000000000000, align 16
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; The first few parameters are passed in registers and the other are on stack.
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define fp128 @TestParam_FP128_0(fp128 %d0, fp128 %d1, fp128 %d2, fp128 %d3, fp128 %d4, fp128 %d5, fp128 %d6, fp128 %d7, fp128 %d8, fp128 %d9, fp128 %d10, fp128 %d11, fp128 %d12, fp128 %d13, fp128 %d14, fp128 %d15, fp128 %d16, fp128 %d17, fp128 %d18, fp128 %d19) {
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entry:
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ret fp128 %d0
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; CHECK-LABEL: TestParam_FP128_0:
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; CHECK-NOT: mov
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; CHECK: retq
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}
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define fp128 @TestParam_FP128_1(fp128 %d0, fp128 %d1, fp128 %d2, fp128 %d3, fp128 %d4, fp128 %d5, fp128 %d6, fp128 %d7, fp128 %d8, fp128 %d9, fp128 %d10, fp128 %d11, fp128 %d12, fp128 %d13, fp128 %d14, fp128 %d15, fp128 %d16, fp128 %d17, fp128 %d18, fp128 %d19) {
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entry:
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ret fp128 %d1
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; CHECK-LABEL: TestParam_FP128_1:
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; CHECK: movaps %xmm1, %xmm0
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; CHECK-NEXT: retq
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}
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define fp128 @TestParam_FP128_7(fp128 %d0, fp128 %d1, fp128 %d2, fp128 %d3, fp128 %d4, fp128 %d5, fp128 %d6, fp128 %d7, fp128 %d8, fp128 %d9, fp128 %d10, fp128 %d11, fp128 %d12, fp128 %d13, fp128 %d14, fp128 %d15, fp128 %d16, fp128 %d17, fp128 %d18, fp128 %d19) {
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entry:
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ret fp128 %d7
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; CHECK-LABEL: TestParam_FP128_7:
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; CHECK: movaps %xmm7, %xmm0
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; CHECK-NEXT: retq
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}
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define fp128 @TestParam_FP128_8(fp128 %d0, fp128 %d1, fp128 %d2, fp128 %d3, fp128 %d4, fp128 %d5, fp128 %d6, fp128 %d7, fp128 %d8, fp128 %d9, fp128 %d10, fp128 %d11, fp128 %d12, fp128 %d13, fp128 %d14, fp128 %d15, fp128 %d16, fp128 %d17, fp128 %d18, fp128 %d19) {
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entry:
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ret fp128 %d8
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; CHECK-LABEL: TestParam_FP128_8:
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; CHECK: movaps 8(%rsp), %xmm0
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; CHECK-NEXT: retq
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}
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define fp128 @TestParam_FP128_9(fp128 %d0, fp128 %d1, fp128 %d2, fp128 %d3, fp128 %d4, fp128 %d5, fp128 %d6, fp128 %d7, fp128 %d8, fp128 %d9, fp128 %d10, fp128 %d11, fp128 %d12, fp128 %d13, fp128 %d14, fp128 %d15, fp128 %d16, fp128 %d17, fp128 %d18, fp128 %d19) {
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entry:
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ret fp128 %d9
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; CHECK-LABEL: TestParam_FP128_9:
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; CHECK: movaps 24(%rsp), %xmm0
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; CHECK-NEXT: retq
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}
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