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author | Christoph Hellwig <hch@lst.de> | 2022-02-23 08:47:20 +0100 |
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committer | Christoph Hellwig <hch@lst.de> | 2022-02-23 08:52:50 +0100 |
commit | 1c4b5ecb7ea190fa3e9f9d6891e6c90b60e04f24 (patch) | |
tree | a9444a92909dc4929e0d1e42301e1d3dbd16c35c /arch/h8300/lib/mulsi3.S | |
parent | 5c1ee569660d4a205dced9cb4d0306b907fb7599 (diff) | |
download | linux-1c4b5ecb7ea190fa3e9f9d6891e6c90b60e04f24.tar.bz2 |
remove the h8300 architecture
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'arch/h8300/lib/mulsi3.S')
-rw-r--r-- | arch/h8300/lib/mulsi3.S | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/h8300/lib/mulsi3.S b/arch/h8300/lib/mulsi3.S deleted file mode 100644 index 5a062fd298d1..000000000000 --- a/arch/h8300/lib/mulsi3.S +++ /dev/null @@ -1,39 +0,0 @@ -; SPDX-License-Identifier: GPL-2.0 -; -; mulsi3 for H8/300H - based on Renesas SH implementation -; -; by Toshiyasu Morita -; -; Old code: -; -; 16b * 16b = 372 states (worst case) -; 32b * 32b = 724 states (worst case) -; -; New code: -; -; 16b * 16b = 48 states -; 16b * 32b = 72 states -; 32b * 32b = 92 states -; - - .global __mulsi3 -__mulsi3: - mov.w r1,r2 ; ( 2 states) b * d - mulxu r0,er2 ; (22 states) - - mov.w e0,r3 ; ( 2 states) a * d - beq L_skip1 ; ( 4 states) - mulxu r1,er3 ; (22 states) - add.w r3,e2 ; ( 2 states) - -L_skip1: - mov.w e1,r3 ; ( 2 states) c * b - beq L_skip2 ; ( 4 states) - mulxu r0,er3 ; (22 states) - add.w r3,e2 ; ( 2 states) - -L_skip2: - mov.l er2,er0 ; ( 2 states) - rts ; (10 states) - - .end |