[Bug target/83399] Power8 ICE During LRA with 2-op rtl pattern for lvx instruction

[kelvin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83399

--- Comment #3 from kelvin at gcc dot gnu.org ---
Author: kelvin
Date: Fri Jan  5 20:43:20 2018
New Revision: 256285

URL: https://gcc.gnu.org/viewcvs?rev=256285&root=gcc&view=rev
Log:
works without regressions - still seeing problems re: bug 83399

Modified:
    branches/ibm/ltc99327/gcc/config/rs6000/rs6000-p8swap.c
    branches/ibm/ltc99327/gcc/config/rs6000/rs6000.c
    branches/ibm/ltc99327/gcc/config/rs6000/vsx.md
    branches/ibm/ltc99327/gcc/lra-constraints.c
    branches/ibm/ltc99327/gcc/lra-eliminations.c
    branches/ibm/ltc99327/gcc/lra.c
    branches/ibm/ltc99327/gcc/recog.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/pr48857.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-28.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-29.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-30.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-31.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-32.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-33.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-34.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-35.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-36.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-37.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-38.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-39.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-40.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-41.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-42.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-43.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-44.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/swaps-p8-45.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-2.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-3.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-5.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-6.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-7.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-8.c
    branches/ibm/ltc99327/gcc/testsuite/gcc.target/powerpc/vec-extract-9.c