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Summary:
"ww" and "ws" are both constraint codes for VSX vector registers that
hold scalar double data. "ww" is preferred for float while "ws" is
preferred for double.
Reviewed By: jsji
Differential Revision: https://reviews.llvm.org/D64119
llvm-svn: 365106
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Summary:
Turns out the test was not correct, I had to adjust the test to work. I
also added CHECK-LABELs for better error messages from FileCheck while
I'm here.
Reviewers: jsji
Subscribers: nemanjai, eraman, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D58614
llvm-svn: 355079
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From the gcc manual, we can see that the specific limit of wi inline asm is “FP or VSX register to hold 64-bit integers for VSX insns or NO_REGS”. The link is https://gcc.gnu.org/onlinedocs/gcc-8.2.0/gcc/Machine-Constraints.html#Machine-Constraints. We should accept this constraint.
Reviewed By: jsji
Differential Revision: https://reviews.llvm.org/D53265
llvm-svn: 345810
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gcc uses operand modifier 'x' in inline asm for VSX registers.
Without this modifier, instructions which use VSX numbering for their
operands are printed as VMX registers. This patch adds support for the
operand modifier 'x'.
Differential Revision: https://reviews.llvm.org/D52244
llvm-svn: 342882
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