[llvm-commits] [llvm] r90771 - in /llvm/trunk/tools/llvmc/plugins/Base: Base.td.in Hooks.cpp

[Mikhail Glushenkov]

Author: foldr
Date: Mon Dec  7 11:03:21 2009
New Revision: 90771

URL: http://llvm.org/viewvc/llvm-project?rev=90771&view=rev
Log:
Pass '-msse' and friends to llc as '-mattr=+/-'.

Added:
    llvm/trunk/tools/llvmc/plugins/Base/Hooks.cpp
Modified:
    llvm/trunk/tools/llvmc/plugins/Base/Base.td.in

Modified: llvm/trunk/tools/llvmc/plugins/Base/Base.td.in
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvmc/plugins/Base/Base.td.in?rev=90771&r1=90770&r2=90771&view=diff

==============================================================================
--- llvm/trunk/tools/llvmc/plugins/Base/Base.td.in (original)
+++ llvm/trunk/tools/llvmc/plugins/Base/Base.td.in Mon Dec  7 11:03:21 2009
@@ -82,7 +82,10 @@
  (prefix_list_option "Wl,",
     (help "Pass options to linker")),
  (prefix_list_option "Wo,",
-    (help "Pass options to opt"))
+    (help "Pass options to opt")),
+ (prefix_list_option "m",
+     (help "Enable or disable various extensions (-mmmx, -msse, etc.)"),
+     (hidden))
 ]>;
 
 // Option preprocessor.
@@ -132,6 +135,7 @@
          (not_empty "march"), (forward "march"),
          (not_empty "mtune"), (forward "mtune"),
          (not_empty "mcpu"), (forward "mcpu"),
+         (not_empty "m"), (forward "m"),
          (switch_on "m32"), (forward "m32"),
          (switch_on "m64"), (forward "m64"),
          (switch_on "O1"), (forward "O1"),
@@ -197,6 +201,7 @@
           (not_empty "march"), (forward "mcpu"),
           (not_empty "mtune"), (forward "mcpu"),
           (not_empty "mcpu"), (forward "mcpu"),
+          (not_empty "m"), (forward_transformed_value "m", "ConvertToMAttr"),
           (not_empty "Wllc,"), (unpack_values "Wllc,")))
 ]>;
 

Added: llvm/trunk/tools/llvmc/plugins/Base/Hooks.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvmc/plugins/Base/Hooks.cpp?rev=90771&view=auto

==============================================================================
--- llvm/trunk/tools/llvmc/plugins/Base/Hooks.cpp (added)
+++ llvm/trunk/tools/llvmc/plugins/Base/Hooks.cpp Mon Dec  7 11:03:21 2009
@@ -0,0 +1,33 @@
+#include <string>
+#include <vector>
+
+namespace hooks {
+typedef std::vector<std::string> StrVec;
+
+/// ConvertToMAttr - Convert -m* and -mno-* to -mattr=+*,-*
+std::string ConvertToMAttr(const StrVec& Opts) {
+  std::string out("-mattr=");
+
+  bool firstIter = true;
+  for (StrVec::const_iterator B = Opts.begin(), E = Opts.end(); B!=E; ++B) {
+    const std::string& Arg = *B;
+
+    if (firstIter)
+      firstIter = false;
+    else
+      out += ",";
+
+    if (Arg.find("no-") == 0 && Arg[3] != 0) {
+      out += '-';
+      out += Arg.c_str() + 3;
+    }
+    else {
+      out += '+';
+      out += Arg;
+    }
+  }
+
+  return out;
+}
+
+}