Author: dgilmore
Date: 2011-02-21 19:34:59 -0500 (Mon, 21 Feb 2011)
New Revision: 3485
Modified:
trunk/osprey/be/com/emulate.cxx
Log:
Sorry, preceding change was incorrect -- this one is:
Fixed bug 725: complex square root is broken.
The complex square root lowering code should not change type from
V16C8 to C8. By changing the type, two Aux symbol table entries will
be generated for a single PREG, which causes WOPT to drop the
initialization of the PREG.
Approved by Jian-Xin
Modified: trunk/osprey/be/com/emulate.cxx
===================================================================
--- trunk/osprey/be/com/emulate.cxx 2011-02-21 23:47:21 UTC (rev 3484)
+++ trunk/osprey/be/com/emulate.cxx 2011-02-22 00:34:59 UTC (rev 3485)
@@ -2664,11 +2664,6 @@
static WN *em_complex_sqrt_preg(WN *block, TYPE_ID type, PREG_NUM zN_in)
{
PREG_NUM ziN, zN, absN, t1N, t2N, t3N;
-#if defined(TARG_X8664) && 1
- if (type == MTYPE_V16C8)
- type = MTYPE_C8;
-#endif
-
TYPE_ID rtype = Mtype_complex_to_real(type);
zN = AssignExpr(block,WN_Realpart(rtype,WN_LdidPreg(type,zN_in)),rtype);
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