1 files changed, 0 insertions, 76 deletions
diff --git a/lib/ppc/gcc_qsub.c b/lib/ppc/gcc_qsub.c
deleted file mode 100644
index 4f1f7ac70f3c..000000000000
--- a/lib/ppc/gcc_qsub.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/* This file is distributed under the University of Illinois Open Source
- * License. See LICENSE.TXT for details.
- */
-
-/* long double __gcc_qsub(long double x, long double y);
- * This file implements the PowerPC 128-bit double-double add operation.
- * This implementation is shamelessly cribbed from Apple's DDRT, circa 1993(!)
- */
-
-#include "DD.h"
-
-long double __gcc_qsub(long double x, long double y)
-{
-	static const uint32_t infinityHi = UINT32_C(0x7ff00000);
-	
-	DD dst = { .ld = x }, src = { .ld = y };
-	
-	register double A =  dst.s.hi, a =  dst.s.lo,
-					B = -src.s.hi, b = -src.s.lo;
-	
-	/* If both operands are zero: */
-	if ((A == 0.0) && (B == 0.0)) {
-		dst.s.hi = A + B;
-		dst.s.lo = 0.0;
-		return dst.ld;
-	}
-	
-	/* If either operand is NaN or infinity: */
-	const doublebits abits = { .d = A };
-	const doublebits bbits = { .d = B };
-	if ((((uint32_t)(abits.x >> 32) & infinityHi) == infinityHi) ||
-		(((uint32_t)(bbits.x >> 32) & infinityHi) == infinityHi)) {
-		dst.s.hi = A + B;
-		dst.s.lo = 0.0;
-		return dst.ld;
-	}
-	
-	/* If the computation overflows: */
-	/* This may be playing things a little bit fast and loose, but it will do for a start. */
-	const double testForOverflow = A + (B + (a + b));
-	const doublebits testbits = { .d = testForOverflow };
-	if (((uint32_t)(testbits.x >> 32) & infinityHi) == infinityHi) {
-		dst.s.hi = testForOverflow;
-		dst.s.lo = 0.0;
-		return dst.ld;
-	}
-	
-	double H, h;
-	double T, t;
-	double W, w;
-	double Y;
-	
-	H = B + (A - (A + B));
-	T = b + (a - (a + b));
-	h = A + (B - (A + B));
-	t = a + (b - (a + b));
-	
-	if (fabs(A) <= fabs(B))
-		w = (a + b) + h;
-	else
-		w = (a + b) + H;
-	
-	W = (A + B) + w;
-	Y = (A + B) - W;
-	Y += w;
-	
-	if (fabs(a) <= fabs(b))
-		w = t + Y;
-	else
-		w = T + Y;
-	
-	dst.s.hi = Y = W + w;
-	dst.s.lo = (W - Y) + w;
-	
-	return dst.ld;
-}