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Re: [RFC] Prototype for SSE2 calling convention libm on ia32


On Wed, Jun 08, 2005 at 12:45:30AM +0200, Richard Guenther wrote:
> Basically we need to be able to tell the middle-end to emit
> a libcall for __builtin_sin to __libm_sse2_sin rather than
> to sin.

Modify DECL_ASSEMBLER_NAME of the builtin decl.

> double foo(double) __attribute__((fpregparm));
> double bar(double x) { return foo(x); }
> 
> we ICE compiling without -msse2 enabled (because some pattern does
> not match its constraints).

Then that is a bug.  We need to fix it.



r~


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