mirror of
https://github.com/c64scene-ar/llvm-6502.git
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c2884320fe
This adds a new subtarget feature called FPARMv8 (implied by NEON), and predicates the support of the FP instructions and registers on this feature. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193739 91177308-0d34-0410-b5e6-96231b3b80d8
104 lines
4.2 KiB
LLVM
104 lines
4.2 KiB
LLVM
; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu | FileCheck %s
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; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -code-model=large | FileCheck --check-prefix=CHECK-LARGE %s
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; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP %s
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; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64-none-linux-gnu -code-model=large -mattr=-fp-armv8 | FileCheck --check-prefix=CHECK-NOFP-LARGE %s
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@var32 = global i32 0
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@var64 = global i64 0
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define void @foo() {
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; CHECK-LABEL: foo:
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%val32 = load i32* @var32
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%val64 = load i64* @var64
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%val32_lit32 = and i32 %val32, 123456785
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store volatile i32 %val32_lit32, i32* @var32
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; CHECK: adrp x[[LITBASE:[0-9]+]], [[CURLIT:.LCPI0_[0-9]+]]
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; CHECK: ldr {{w[0-9]+}}, [x[[LITBASE]], #:lo12:[[CURLIT]]]
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; CHECK-LARGE: movz x[[LITADDR:[0-9]+]], #:abs_g3:[[CURLIT:.LCPI0_[0-9]+]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g2_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g1_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g0_nc:[[CURLIT]]
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; CHECK-LARGE: ldr {{w[0-9]+}}, [x[[LITADDR]]]
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%val64_lit32 = and i64 %val64, 305402420
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store volatile i64 %val64_lit32, i64* @var64
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; CHECK: adrp x[[LITBASE:[0-9]+]], [[CURLIT:.LCPI0_[0-9]+]]
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; CHECK: ldr {{w[0-9]+}}, [x[[LITBASE]], #:lo12:[[CURLIT]]]
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; CHECK-LARGE: movz x[[LITADDR:[0-9]+]], #:abs_g3:[[CURLIT:.LCPI0_[0-9]+]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g2_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g1_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g0_nc:[[CURLIT]]
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; CHECK-LARGE: ldr {{w[0-9]+}}, [x[[LITADDR]]]
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%val64_lit32signed = and i64 %val64, -12345678
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store volatile i64 %val64_lit32signed, i64* @var64
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; CHECK: adrp x[[LITBASE:[0-9]+]], [[CURLIT:.LCPI0_[0-9]+]]
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; CHECK: ldrsw {{x[0-9]+}}, [x[[LITBASE]], #:lo12:[[CURLIT]]]
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; CHECK-LARGE: movz x[[LITADDR:[0-9]+]], #:abs_g3:[[CURLIT:.LCPI0_[0-9]+]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g2_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g1_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g0_nc:[[CURLIT]]
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; CHECK-LARGE: ldrsw {{x[0-9]+}}, [x[[LITADDR]]]
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%val64_lit64 = and i64 %val64, 1234567898765432
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store volatile i64 %val64_lit64, i64* @var64
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; CHECK: adrp x[[LITBASE:[0-9]+]], [[CURLIT:.LCPI0_[0-9]+]]
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; CHECK: ldr {{x[0-9]+}}, [x[[LITBASE]], #:lo12:[[CURLIT]]]
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; CHECK-LARGE: movz x[[LITADDR:[0-9]+]], #:abs_g3:[[CURLIT:.LCPI0_[0-9]+]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g2_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g1_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g0_nc:[[CURLIT]]
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; CHECK-LARGE: ldr {{x[0-9]+}}, [x[[LITADDR]]]
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ret void
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}
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@varfloat = global float 0.0
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@vardouble = global double 0.0
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define void @floating_lits() {
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; CHECK-LABEL: floating_lits:
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%floatval = load float* @varfloat
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%newfloat = fadd float %floatval, 128.0
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; CHECK: adrp x[[LITBASE:[0-9]+]], [[CURLIT:.LCPI1_[0-9]+]]
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; CHECK: ldr [[LIT128:s[0-9]+]], [x[[LITBASE]], #:lo12:[[CURLIT]]]
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; CHECK-NOFP-NOT: ldr {{s[0-9]+}},
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; CHECK-LARGE: movz x[[LITADDR:[0-9]+]], #:abs_g3:[[CURLIT:.LCPI1_[0-9]+]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g2_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g1_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g0_nc:[[CURLIT]]
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; CHECK-LARGE: ldr {{s[0-9]+}}, [x[[LITADDR]]]
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; CHECK-LARGE: fadd
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; CHECK-NOFP-LARGE-NOT: ldr {{s[0-9]+}},
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; CHECK-NOFP-LARGE-NOT: fadd
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store float %newfloat, float* @varfloat
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%doubleval = load double* @vardouble
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%newdouble = fadd double %doubleval, 129.0
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; CHECK: adrp x[[LITBASE:[0-9]+]], [[CURLIT:.LCPI1_[0-9]+]]
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; CHECK: ldr [[LIT129:d[0-9]+]], [x[[LITBASE]], #:lo12:[[CURLIT]]]
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; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, [[LIT128]]
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; CHECK: fadd {{d[0-9]+}}, {{d[0-9]+}}, [[LIT129]]
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; CHECK-NOFP-NOT: ldr {{d[0-9]+}},
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; CHECK-NOFP-NOT: fadd
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; CHECK-LARGE: movz x[[LITADDR:[0-9]+]], #:abs_g3:[[CURLIT:.LCPI1_[0-9]+]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g2_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g1_nc:[[CURLIT]]
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; CHECK-LARGE: movk x[[LITADDR]], #:abs_g0_nc:[[CURLIT]]
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; CHECK-LARGE: ldr {{d[0-9]+}}, [x[[LITADDR]]]
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; CHECK-NOFP-LARGE-NOT: ldr {{d[0-9]+}},
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store double %newdouble, double* @vardouble
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ret void
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}
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