rs6000.c (rtx_is_swappable_p): Commentary adjustments.
[gcc] 2015-04-22 Bill Schmidt <wschmidt@linux.vnet.ibm.com> * config/rs6000/rs6000.c (rtx_is_swappable_p): Commentary adjustments. (insn_is_swappable_p): Return 1 for a convert from double to single precision when all of its uses are splats of BE element zero. [gcc/testsuite] 2015-04-22 Bill Schmidt <wschmidt@linux.vnet.ibm.com> * gcc.target/powerpc/swaps-p8-18.c: New test. From-SVN: r222351
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