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Diffstat (limited to 'arch/metag/lib/muldi3.S')
| -rw-r--r-- | arch/metag/lib/muldi3.S | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/arch/metag/lib/muldi3.S b/arch/metag/lib/muldi3.S deleted file mode 100644 index 9d106790244d..000000000000 --- a/arch/metag/lib/muldi3.S +++ /dev/null @@ -1,45 +0,0 @@ -! SPDX-License-Identifier: GPL-2.0 -! Copyright (C) 2012 by Imagination Technologies Ltd. -! -! 64-bit multiply routine. -! - -! -! 64-bit signed/unsigned multiply -! -! A = D1Ar1:D0Ar2 = a 2^48 + b 2^32 + c 2^16 + d 2^0 -! -! B = D1Ar3:D0Ar4 = w 2^48 + x 2^32 + y 2^16 + z 2^0 -! - .text - .global ___muldi3 - .type ___muldi3,function - -___muldi3: - MULD D1Re0,D1Ar1,D0Ar4 ! (a 2^48 + b 2^32)(y 2^16 + z 2^0) - MULD D0Re0,D0Ar2,D1Ar3 ! (w 2^48 + x 2^32)(c 2^16 + d 2^0) - ADD D1Re0,D1Re0,D0Re0 - - MULW D0Re0,D0Ar2,D0Ar4 ! (d 2^0) * (z 2^0) - - RTDW D0Ar2,D0Ar2 - MULW D0Ar6,D0Ar2,D0Ar4 ! (c 2^16)(z 2^0) - LSR D1Ar5,D0Ar6,#16 - LSL D0Ar6,D0Ar6,#16 - ADDS D0Re0,D0Re0,D0Ar6 - ADDCS D1Re0,D1Re0,#1 - RTDW D0Ar4,D0Ar4 - ADD D1Re0,D1Re0,D1Ar5 - - MULW D0Ar6,D0Ar2,D0Ar4 ! (c 2^16)(y 2^16) - ADD D1Re0,D1Re0,D0Ar6 - - RTDW D0Ar2,D0Ar2 - MULW D0Ar6,D0Ar2,D0Ar4 ! (d 2^0)(y 2^16) - LSR D1Ar5,D0Ar6,#16 - LSL D0Ar6,D0Ar6,#16 - ADDS D0Re0,D0Re0,D0Ar6 - ADD D1Re0,D1Re0,D1Ar5 - ADDCS D1Re0,D1Re0,#1 - MOV PC, D1RtP - .size ___muldi3,.-___muldi3 |