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Commit 92f28298 authored by David S. Miller's avatar David S. Miller
Browse files

[SPARC64]: Fix quad-float multiply emulation. 



Something is wrong with the 3-multiply (vs. 4-multiply) optimized
version of _FP_MUL_MEAT_2_*(), so just use the slower version
which actually computes correct values.

Noticed by Rene Rebe

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 64821324

include/asm-sparc64/sfp-machine.h

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 
#define _FP_MUL_MEAT_D(R,X,Y)					\

  _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)

#define _FP_MUL_MEAT_Q(R,X,Y)					\

  _FP_MUL_MEAT_2_wide_3mul(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)

  _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)



#define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_imm(S,R,X,Y,_FP_DIV_HELP_imm)

#define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_1_udiv_norm(D,R,X,Y)