36 lines
1.1 KiB
Go
36 lines
1.1 KiB
Go
// asmcheck
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// Copyright 2023 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package codegen
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// A uint16 or sint16 constant shifted left.
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func shifted16BitConstants() (out [64]uint64) {
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// ppc64x: "MOVD [$]8193,", "SLD [$]27,"
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out[0] = 0x0000010008000000
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// ppc64x: "MOVD [$]-32767", "SLD [$]26,"
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out[1] = 0xFFFFFE0004000000
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// ppc64x: "MOVD [$]-1", "SLD [$]48,"
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out[2] = 0xFFFF000000000000
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// ppc64x: "MOVD [$]65535", "SLD [$]44,"
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out[3] = 0x0FFFF00000000000
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return
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}
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// A contiguous set of 1 bits, potentially wrapping.
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func contiguousMaskConstants() (out [64]uint64) {
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// ppc64x: "MOVD [$]-1", "RLDC R[0-9]+, [$]44, [$]63,"
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out[0] = 0xFFFFF00000000001
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// ppc64x: "MOVD [$]-1", "RLDC R[0-9]+, [$]43, [$]63,"
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out[1] = 0xFFFFF80000000001
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// ppc64x: "MOVD [$]-1", "RLDC R[0-9]+, [$]43, [$]4,"
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out[2] = 0x0FFFF80000000000
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// ppc64x/power8: "MOVD [$]-1", "RLDC R[0-9]+, [$]33, [$]63,"
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// ppc64x/power9: "MOVD [$]-1", "RLDC R[0-9]+, [$]33, [$]63,"
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// ppc64x/power10: "MOVD [$]-8589934591,"
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out[3] = 0xFFFFFFFE00000001
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return
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}
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