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authorBill Schmidt <wschmidt@linux.vnet.ibm.com>2014-10-09 17:51:35 +0000
committerBill Schmidt <wschmidt@linux.vnet.ibm.com>2014-10-09 17:51:35 +0000
commitcb34fd09cd062e81c0c13d5cfa02dd8f1c44e229 (patch)
tree2ac263d2c2a95c384a579bd7206209946456a835 /clang/lib/Frontend/CompilerInvocation.cpp
parent98d703a663f6c9d2a8f2c7b51d7e3d85d3fbac0d (diff)
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[PPC64] VSX indexed-form loads use wrong instruction format
The VSX instruction definitions for lxsdx, lxvd2x, lxvdsx, and lxvw4x incorrectly use the XForm_1 instruction format, rather than the XX1Form instruction format. This is likely a pasto when creating these instructions, which were based on lvx and so forth. This patch uses the correct format. The existing reformatting test (test/MC/PowerPC/vsx.s) missed this because the two formats differ only in that XX1Form has an extension to the target register field in bit 31. The tests for these instructions used a target register of 7, so the default of 0 in bit 31 for XForm_1 didn't expose a problem. For register numbers 32-63 this would be noticeable. I've changed the test to use higher register numbers to verify my change is effective. llvm-svn: 219416
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