70 lines
1.5 KiB
ArmAsm
70 lines
1.5 KiB
ArmAsm
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// Copyright (c) 2026 Petr Balvín <opensource@petrbalvin.org> (https://petrbalvin.org)
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// SPDX-License-Identifier: BSD-3-Clause
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// Large frames across every immediate band of the prologue SUB and the RET
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// epilogue, byte-parity-checked against go tool asm:
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//
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// $5000 autosize 5024 one 16-bit chunk, materialised into REGTMP
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// $65664 autosize 65680 split into two imm12 instructions
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// $70000 autosize 70016 split into two imm12 instructions
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// $65520 autosize 65536 one shifted imm12 in the prologue, a logical
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// immediate (ORR) in the non-leaf epilogue
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// $16777232 autosize 16777248 wider than 24 bits, MOVZ/MOVK into REGTMP
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#include "textflag.h"
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TEXT ·leaf5000(SB), NOSPLIT, $5000-0
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MOVD R0, R1
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MOVD R1, R2
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RET
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TEXT ·leaf65664(SB), NOSPLIT, $65664-0
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MOVD R0, R1
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MOVD R1, R2
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RET
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TEXT ·leaf70000(SB), NOSPLIT, $70000-0
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MOVD R0, R1
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MOVD R1, R2
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RET
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TEXT ·leaf65520(SB), NOSPLIT, $65520-0
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MOVD R0, R1
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MOVD R1, R2
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MOVD R2, R3
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MOVD R3, R4
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RET
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TEXT ·nl5000(SB), NOSPLIT, $5000-0
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MOVD R0, R1
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MOVD R1, R2
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CALL ·other(SB)
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RET
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TEXT ·nl65664(SB), NOSPLIT, $65664-0
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MOVD R0, R1
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CALL ·other(SB)
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RET
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TEXT ·nl70000(SB), NOSPLIT, $70000-0
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MOVD R0, R1
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CALL ·other(SB)
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RET
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TEXT ·nl65520(SB), NOSPLIT, $65520-0
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MOVD R0, R1
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MOVD R1, R2
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MOVD R2, R3
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CALL ·other(SB)
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RET
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TEXT ·nlhuge(SB), NOSPLIT, $16777232-0
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CALL ·other(SB)
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RET
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TEXT ·other(SB), NOSPLIT, $0-0
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MOVD R0, R1
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MOVD R1, R2
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MOVD R2, R3
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RET
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