57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
$OpenBSD: patch-src_arisparc64_d,v 1.1 2010/09/23 13:42:22 joshe Exp $
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Disable the assembler loops, at least one of them is broken.
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Remove a couple of potentially-broken math functions to make sure they
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aren't used in case the maze of #ifdefs in arilev0.d ever changes.
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--- src/arisparc64.d.orig Wed Dec 5 08:06:32 2007
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+++ src/arisparc64.d Sun Sep 19 16:25:17 2010
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@@ -14,6 +14,7 @@
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#ifdef INCLUDED_FROM_C
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+#if 0
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#define COPY_LOOPS
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#define FILL_LOOPS
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#define CLEAR_LOOPS
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@@ -23,6 +24,7 @@
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#define SHIFT_LOOPS
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#define MUL_LOOPS
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#define DIV_LOOPS
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+#endif
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#else
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@@ -73,30 +75,12 @@ C(mulu16_:) # Input in %o0,%o1, Output in %o0
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retl
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_ srl %o2,0,%o0
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-# extern struct { uint32 lo; uint32 hi; } mulu32_ (uint32 arg1, uint32 arg2);
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-# 2^32*hi+lo := arg1*arg2.
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-C(mulu32_:) # Input in %o0,%o1, Output in %o0,%g1
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- umul %o0,%o1,%o2
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- rd %y,%g1
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- retl
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- _ srl %o2,0,%o0
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-
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# extern uint32 mulu32_unchecked (uint32 x, uint32 y);
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# result := arg1*arg2 < 2^32.
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C(mulu32_unchecked:) # Input in %o0,%o1, Output in %o0
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umul %o0,%o1,%o2
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retl
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_ srl %o2,0,%o0
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-
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-# extern struct { uint32 q; uint32 r; } divu_6432_3232_ (uint32 xhi, uint32 xlo, uint32 y);
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-# x = 2^32*xhi+xlo = q*y+r schreiben. Sei bekannt, dass 0 <= x < 2^32*y .
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-C(divu_6432_3232_:) # Input in %o0,%o1,%o2, Output in %o0,%g1
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- wr %o0,%g0,%y
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- udiv %o1,%o2,%o0 # x durch y dividieren, %o0 := q
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- umul %o0,%o2,%g1 # %g1 := (q*y) mod 2^32
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- sub %o1,%g1,%g1 # %g1 := (xlo-q*y) mod 2^32 = r
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- retl
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- _ srl %o0,0,%o0
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# extern struct { uint16 q; uint16 r; } divu_3216_1616_ (uint32 x, uint16 y);
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# x = q*y+r schreiben. Sei bekannt, dass 0 <= x < 2^16*y .
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