* [PATCH] (12/22) broken constraints on mulu.l
@ 2005-08-25 5:24 Al Viro
0 siblings, 0 replies; only message in thread
From: Al Viro @ 2005-08-25 5:24 UTC (permalink / raw)
To: geert, torvalds; +Cc: linux-kernel, linux-m68k
too permissive constraint on mulu.l - the first argument should not be
an a-register. Fixed by replacing "g" with "dm"; with older gcc we got
lucky and it had never attempted mulu.l %a0, %d1:%d0. These days it
does, with predictable objections from as(1).
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
----
diff -urN RC13-rc7-m68k-reset/arch/m68k/math-emu/multi_arith.h RC13-rc7-m68k-mul/arch/m68k/math-emu/multi_arith.h
--- RC13-rc7-m68k-reset/arch/m68k/math-emu/multi_arith.h 2005-06-17 15:48:29.000000000 -0400
+++ RC13-rc7-m68k-mul/arch/m68k/math-emu/multi_arith.h 2005-08-25 00:54:13.000000000 -0400
@@ -366,7 +366,7 @@
#define fp_mul64(desth, destl, src1, src2) ({ \
asm ("mulu.l %2,%1:%0" : "=d" (destl), "=d" (desth) \
- : "g" (src1), "0" (src2)); \
+ : "dm" (src1), "0" (src2)); \
})
#define fp_div64(quot, rem, srch, srcl, div) \
asm ("divu.l %2,%1:%0" : "=d" (quot), "=d" (rem) \
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2005-08-25 5:24 [PATCH] (12/22) broken constraints on mulu.l Al Viro
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