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Re: [3.4-BIB] Optimize cvtsd2ss for Athlon/K8
On Wed, Nov 27, 2002 at 02:11:27PM +0100, Jan Hubicka wrote:
> * i386.c (x86_sse_partial_regs_for_cvtsd2ss): New.
> * i386.h (x86_sse_partial_regs_for_cvtsd2ss): Declare.
> (TARGET_SSE_PARTIAL_REGS_FOR_CVTSD2SS): New macro.
> * i386.md (truncdfsf patterns and splitters): Use
> TARGET_SSE_PARTIAL_REGS_FOR_CVTSD2SS
Ok, except,
> + /* Athlon optimizes partial-register FPS special case, thus avoiding the
> + need for extra instructions beforehand */
> + const int x86_sse_partial_regs_for_cvtsd2ss = 0;
"0"? Surely you mean m_ATHLON_K8. Missing "." at end of comment.
r~