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Date: Tue, 28 Feb 2012 23:52:34 -0800
From: "Thomas D. Dean" <tomdean@speakeasy.org>
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To: Bruce Evans <brde@optusnet.com.au>
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Cc: freebsd-amd64@FreeBSD.org
Subject: Re: Gcc46 and 128 Bit Floating Point
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On 02/28/12 22:03, Bruce Evans wrote:

>
>> #include <quadmath.h>
>> #include <stdio.h>
>> int main() {
>> char buf[128];
>> __float128 x = sqrtq(2.0Q);
>> quadmath_snprintf(buf, sizeof buf, "%.45Qf",x);
>> printf("sin(%s) = ",buf);
>> quadmath_snprintf(buf, sizeof buf, "%.45Qf",sinq(x));
>> printf("%s\n",buf);
>> return 0;
>> }
>>
>> gcc46 math.c -o math /usr/local/lib/gcc46/libquadmath.a /usr/lib/libm.a

 > objdump -d math | grep fsqrt
   4014fd:       d9 fa                   fsqrt
   407bb4:       d9 fa                   fsqrt

Comes from the libs.

Tom Dean