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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2011-01-02 03:59:13 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2011-01-02 03:59:13 +0000 |
| commit | 33a53440eb025dc511b7dcb27dea8029cc28b34f (patch) | |
| tree | a3b36e174982d23ce66c28bda38e52a8a4edc1c6 /lib/CodeGen | |
| parent | baf86955a9a390f2643a1ea9806832eb4a92f716 (diff) | |
Add support for passing variables declared to use a xmm register to asm
statements using the "x" constraint.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122679 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGStmt.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp index 8ccd2893b8..b86cdf861e 100644 --- a/lib/CodeGen/CGStmt.cpp +++ b/lib/CodeGen/CGStmt.cpp @@ -938,7 +938,8 @@ AddVariableConstraints(const std::string &Constraint, const Expr &AsmExpr, return Constraint; llvm::StringRef Register = Attr->getLabel(); assert(Target.isValidGCCRegisterName(Register)); - if (Constraint != "r") { + // FIXME: We should check which registers are compatible with "r" or "x". + if (Constraint != "r" && Constraint != "x") { CGM.ErrorUnsupported(&Stmt, "__asm__"); return Constraint; } |