Enable FP Reassociation for AMD bdver1 and bdver2 architecture

From-SVN: r199406

Enable FP Reassociation for AMD bdver1 and bdver2 architecture
From-SVN: r199406
c0186656 · Ganesh Gopalasubramanian · Ganesh Gopalasubramanian · d20188f3 · c0186656 · c0186656
Commit c0186656 authored May 29, 2013 by Ganesh Gopalasubramanian Committed by Ganesh Gopalasubramanian May 29, 2013
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gcc/ChangeLog
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gcc/config/i386/i386.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2013-05-29  Ganesh Gopalasubramanian  <Ganesh.Gopalasubramanian@amd.com>
+
+	* config/i386/i386.c (initial_ix86_tune_features): Enable
+	FP Reassociation for AMD bdver1 and bdver2.
+
 2013-05-29  Martin Jambor  <mjambor@suse.cz>

 	* tree-cfg.c (verify_expr): Verify that BIT_FIELD_REF, REALPART_EXPR

--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -2026,7 +2026,7 @@ static unsigned int initial_ix86_tune_features[X86_TUNE_LAST] = {

  /* X86_TUNE_REASSOC_FP_TO_PARALLEL: Try to produce parallel computations
     during reassociation of fp computation.  */
-  m_ATOM | m_HASWELL,
+  m_ATOM | m_HASWELL | m_BDVER1 | m_BDVER2,

  /* X86_TUNE_GENERAL_REGS_SSE_SPILL: Try to spill general regs to SSE
     regs instead of memory.  */