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https://github.com/c64scene-ar/llvm-6502.git
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308873bcb8
This patch corresponds to review: http://reviews.llvm.org/D9440 It adds a new register class to the PPC back end to contain single precision values in VSX registers. Additionally, it adds scalar loads and stores for VSX registers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236755 91177308-0d34-0410-b5e6-96231b3b80d8
140 lines
3.7 KiB
LLVM
140 lines
3.7 KiB
LLVM
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 -mattr=-direct-move | FileCheck %s
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; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -mattr=-direct-move | FileCheck %s
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@d = common global double 0.000000e+00, align 8
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@f = common global float 0.000000e+00, align 4
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@i = common global i32 0, align 4
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@ui = common global i32 0, align 4
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; Function Attrs: nounwind
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define void @dblToInt() #0 {
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entry:
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%ii = alloca i32, align 4
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%0 = load double, double* @d, align 8
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%conv = fptosi double %0 to i32
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store volatile i32 %conv, i32* %ii, align 4
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ret void
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; CHECK-LABEL: @dblToInt
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; CHECK: xscvdpsxws [[REGCONV1:[0-9]+]],
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; CHECK: stxsiwx [[REGCONV1]],
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}
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; Function Attrs: nounwind
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define void @fltToInt() #0 {
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entry:
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%ii = alloca i32, align 4
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%0 = load float, float* @f, align 4
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%conv = fptosi float %0 to i32
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store volatile i32 %conv, i32* %ii, align 4
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ret void
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; CHECK-LABEL: @fltToInt
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; CHECK: xscvdpsxws [[REGCONV2:[0-9]+]],
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; CHECK: stxsiwx [[REGCONV2]],
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}
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; Function Attrs: nounwind
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define void @intToDbl() #0 {
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entry:
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%dd = alloca double, align 8
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%0 = load i32, i32* @i, align 4
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%conv = sitofp i32 %0 to double
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store volatile double %conv, double* %dd, align 8
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ret void
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; CHECK-LABEL: @intToDbl
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; CHECK: lxsiwax [[REGLD1:[0-9]+]],
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; CHECK: xscvsxddp {{[0-9]+}}, [[REGLD1]]
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}
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; Function Attrs: nounwind
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define void @intToFlt() #0 {
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entry:
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%ff = alloca float, align 4
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%0 = load i32, i32* @i, align 4
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%conv = sitofp i32 %0 to float
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store volatile float %conv, float* %ff, align 4
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ret void
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; CHECK-LABEL: @intToFlt
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; CHECK: lxsiwax [[REGLD2:[0-9]+]],
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; FIXME: the below will change when the VSX form is implemented
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; CHECK: fcfids {{[0-9]}}, [[REGLD2]]
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}
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; Function Attrs: nounwind
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define void @dblToUInt() #0 {
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entry:
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%uiui = alloca i32, align 4
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%0 = load double, double* @d, align 8
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%conv = fptoui double %0 to i32
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store volatile i32 %conv, i32* %uiui, align 4
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ret void
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; CHECK-LABEL: @dblToUInt
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; CHECK: xscvdpuxws [[REGCONV3:[0-9]+]],
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; CHECK: stxsiwx [[REGCONV3]],
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}
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; Function Attrs: nounwind
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define void @fltToUInt() #0 {
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entry:
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%uiui = alloca i32, align 4
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%0 = load float, float* @f, align 4
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%conv = fptoui float %0 to i32
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store volatile i32 %conv, i32* %uiui, align 4
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ret void
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; CHECK-LABEL: @fltToUInt
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; CHECK: xscvdpuxws [[REGCONV4:[0-9]+]],
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; CHECK: stxsiwx [[REGCONV4]],
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}
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; Function Attrs: nounwind
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define void @uIntToDbl() #0 {
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entry:
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%dd = alloca double, align 8
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%0 = load i32, i32* @ui, align 4
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%conv = uitofp i32 %0 to double
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store volatile double %conv, double* %dd, align 8
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ret void
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; CHECK-LABEL: @uIntToDbl
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; CHECK: lxsiwzx [[REGLD3:[0-9]+]],
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; CHECK: xscvuxddp {{[0-9]+}}, [[REGLD3]]
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}
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; Function Attrs: nounwind
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define void @uIntToFlt() #0 {
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entry:
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%ff = alloca float, align 4
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%0 = load i32, i32* @ui, align 4
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%conv = uitofp i32 %0 to float
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store volatile float %conv, float* %ff, align 4
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ret void
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; CHECK-LABEL: @uIntToFlt
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; CHECK: lxsiwzx [[REGLD4:[0-9]+]],
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; FIXME: the below will change when the VSX form is implemented
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; CHECK: fcfidus {{[0-9]+}}, [[REGLD4]]
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}
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; Function Attrs: nounwind
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define void @dblToFloat() #0 {
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entry:
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%ff = alloca float, align 4
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%0 = load double, double* @d, align 8
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%conv = fptrunc double %0 to float
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store volatile float %conv, float* %ff, align 4
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ret void
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; CHECK-LABEL: @dblToFloat
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; CHECK: lxsdx [[REGLD5:[0-9]+]],
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; CHECK: stxsspx [[REGLD5]],
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}
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; Function Attrs: nounwind
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define void @floatToDbl() #0 {
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entry:
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%dd = alloca double, align 8
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%0 = load float, float* @f, align 4
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%conv = fpext float %0 to double
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store volatile double %conv, double* %dd, align 8
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ret void
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; CHECK-LABEL: @floatToDbl
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; CHECK: lxsspx [[REGLD5:[0-9]+]],
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; CHECK: stxsdx [[REGLD5]],
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}
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