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Diffstat (limited to 'arch/h8300/lib/modsi3.S')
| -rw-r--r-- | arch/h8300/lib/modsi3.S | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/arch/h8300/lib/modsi3.S b/arch/h8300/lib/modsi3.S deleted file mode 100644 index bdc8a002921d..000000000000 --- a/arch/h8300/lib/modsi3.S +++ /dev/null @@ -1,73 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include "libgcc.h" - -; numerator in A0/A1 -; denominator in A2/A3 - .global __modsi3 -__modsi3: - PUSHP S2P - bsr modnorm - bsr __divsi3 - mov.l er3,er0 - bra exitdiv - - .global __umodsi3 -__umodsi3: - bsr __udivsi3 - mov.l er3,er0 - rts - - .global __divsi3 -__divsi3: - PUSHP S2P - jsr divnorm - bsr __udivsi3 - - ; examine what the sign should be -exitdiv: - btst #3,S2L - beq reti - - ; should be -ve - neg.l A0P - -reti: - POPP S2P - rts - -divnorm: - mov.l A0P,A0P ; is the numerator -ve - stc ccr,S2L ; keep the sign in bit 3 of S2L - bge postive - - neg.l A0P ; negate arg - -postive: - mov.l A1P,A1P ; is the denominator -ve - bge postive2 - - neg.l A1P ; negate arg - xor.b #0x08,S2L ; toggle the result sign - -postive2: - rts - -;; Basically the same, except that the sign of the divisor determines -;; the sign. -modnorm: - mov.l A0P,A0P ; is the numerator -ve - stc ccr,S2L ; keep the sign in bit 3 of S2L - bge mpostive - - neg.l A0P ; negate arg - -mpostive: - mov.l A1P,A1P ; is the denominator -ve - bge mpostive2 - - neg.l A1P ; negate arg - -mpostive2: - rts - - .end |