diff options
Diffstat (limited to 'arch/hexagon/lib/memcpy_likely_aligned.S')
| -rw-r--r-- | arch/hexagon/lib/memcpy_likely_aligned.S | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/hexagon/lib/memcpy_likely_aligned.S b/arch/hexagon/lib/memcpy_likely_aligned.S new file mode 100644 index 000000000000..6a541fb90a54 --- /dev/null +++ b/arch/hexagon/lib/memcpy_likely_aligned.S @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2021, The Linux Foundation. All rights reserved. + */ + +#include <linux/linkage.h> + +SYM_FUNC_START(__hexagon_memcpy_likely_aligned_min32bytes_mult8bytes) + { + p0 = bitsclr(r1,#7) + p0 = bitsclr(r0,#7) + if (p0.new) r5:4 = memd(r1) + if (p0.new) r7:6 = memd(r1+#8) + } + { + if (!p0) jump:nt .Lmemcpy_call + if (p0) r9:8 = memd(r1+#16) + if (p0) r11:10 = memd(r1+#24) + p0 = cmp.gtu(r2,#64) + } + { + if (p0) jump:nt .Lmemcpy_call + if (!p0) memd(r0) = r5:4 + if (!p0) memd(r0+#8) = r7:6 + p0 = cmp.gtu(r2,#32) + } + { + p1 = cmp.gtu(r2,#40) + p2 = cmp.gtu(r2,#48) + if (p0) r13:12 = memd(r1+#32) + if (p1.new) r15:14 = memd(r1+#40) + } + { + memd(r0+#16) = r9:8 + memd(r0+#24) = r11:10 + } + { + if (p0) memd(r0+#32) = r13:12 + if (p1) memd(r0+#40) = r15:14 + if (!p2) jumpr:t r31 + } + { + p0 = cmp.gtu(r2,#56) + r5:4 = memd(r1+#48) + if (p0.new) r7:6 = memd(r1+#56) + } + { + memd(r0+#48) = r5:4 + if (p0) memd(r0+#56) = r7:6 + jumpr r31 + } + +.Lmemcpy_call: + jump memcpy + +SYM_FUNC_END(__hexagon_memcpy_likely_aligned_min32bytes_mult8bytes) |