140 lines
2.2 KiB
ArmAsm
140 lines
2.2 KiB
ArmAsm
--- lib-source/libgcc/libgcc1.S.orig 1995-07-12 05:17:00.000000000 +0200
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+++ lib-source/libgcc/libgcc1.S 2007-06-18 12:04:45.000000000 +0200
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***************
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*** 16,23 ****
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--- 16,33 ----
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xdef ___extendti
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xdef ___extendsidi2
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+ xdef ___ashlti2
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+ xdef ___ashldi2
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+ xdef ___ashrdi2
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+ xdef ___ashrti2
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+ xdef ___xordi3
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+ xdef ___xorsi3
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+
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xdef ___divdi3
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xdef ___divti3
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+ xdef ___moddi3
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+ xdef ___modti3
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+ xdef ___umodsi3
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xdef ___mulpdi3
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xdef ___muldi3
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xdef ___multi3
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***************
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*** 49,54 ****
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--- 59,132 ----
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move.1 #7,p
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rtn
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+ ___ashlti2
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+ ; left-shift 'a' for 'c' bits
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+ move.1 #2,p
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+ move.14 #0,c.p
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+ beq.b c,0,.t1
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+ .t0
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+ sub.b #1,c
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+ lsl.w #1,a
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+ bne.b c,0,.t0
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+ .t1
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+ move.1 #7,p
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+ rtn
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+
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+ ___ashldi2
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+ ; left-shift 'a' for 'c' bits
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+ move.1 #2,p
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+ move.14 #0,c.p
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+ beq.b c,0,.t1
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+ .t0
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+ sub.b #1,c
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+ lsl.w #1,a
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+ bne.b c,0,.t0
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+ .t1
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+ move.1 #8,p
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+ move.8 #0,a.p
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+ move.1 #7,p
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+ rtn
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+
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+ ___ashrdi2
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+ ; right-shift 'a' for 'c' bits
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+ move.1 #8,p
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+ move.8 #0,a.p
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+
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+ ___ashrti2
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+ ; right-shift 'a' for 'c' bits
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+ move.1 #2,p
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+ move.14 #0,c.p
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+ beq.b c,0,.t1
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+ .t0
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+ sub.b #1,c
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+ lsr.w #1,a
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+ bne.b c,0,.t0
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+ .t1
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+ move.1 #7,p
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+ rtn
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+
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+ ___xordi3
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+ ; c = b ^ r0
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+ move.w r0,a
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+ and.w b,a
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+ not.w a
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+ and.w a,b
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+ move.w r0,c
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+ and.w a,c
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+ or.w b,c
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+ rtn
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+
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+ ___xorsi3
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+ ; c = b ^ r0
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+ move.a r0,a
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+ and.a b,a
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+ not.a a
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+ and.a a,b
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+ move.a r0,c
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+ and.a a,c
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+ or.a b,c
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+ rtn
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+
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___divdi3
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; wp-mode c = b/r0
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***************
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*** 68,73 ****
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--- 146,182 ----
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move.1 #7,p
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rtn
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+ ___moddi3
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+ ; wp-mode c = b%r0
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+ move.1 #7,p
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+ move.w b,a
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+ move.8 #0,a.p
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+ move.w a,b
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+ move.w r0,c
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+ move.8 #0,c.p
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+ move.w c,r0
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+
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+ ___modti3
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+ ; word-mode C = B % R0
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+ move.w b,a ; a = parm 1
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+ move.w r0,c ; c = parm 2
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+ jsr HXSDIV ; word-mode [[ a = c = a/c , b = a%c ]]
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+ move.w b,c
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+ move.1 #7,p
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+ rtn
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+
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+ ___umodsi3
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+ ; wp-mode c = b%r0
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+ move.1 #2,p
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+ move.w b,a ; a = parm 1
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+ move.14 #0,a.p
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+ move.w r0,c ; c = parm 2
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+ move.14 #0,c.p
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+ jsr $HXSDIV ; word-mode [[ a = c = a/c , b = a%c ]]
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+ move.w b,c ; result in c
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+ move.1 #7,p
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+ rtn
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+
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___mulpdi3
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move.a r0,a
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;;
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