Consolidate README.md files

Author: Charliemowood

src/ansi-c/README

@@ -3,6 +3,29 @@
 
 \author Kareem Khazem
 
+CodeWarrior C Compilers Reference 3.2:
+
+http://cache.freescale.com/files/soft_dev_tools/doc/ref_manual/CCOMPILERRM.pdf
+
+http://cache.freescale.com/files/soft_dev_tools/doc/ref_manual/ASMX86RM.pdf
+
+ARM 4.1 Compiler Reference:
+
+http://infocenter.arm.com/help/topic/com.arm.doc.dui0491c/DUI0491C_arm_compiler_reference.pdf
+
+
+Parsing performance considerations:
+
+* Measured on trunk/regression/ansi-c/windows_h_VS_2012/main.i
+
+* 13%: Copying into i_preprocessed
+
+* 5%: ansi_c_parser.read()
+
+* 53%: yyansi_clex()
+
+* 29%: parser (without typechecking)
+
 \section preprocessing Preprocessing & Parsing
 
 In the \ref ansi-c and \ref java_bytecode directories

src/ansi-c/README.md

@@ -2,3 +2,6 @@
 \ingroup xmllang
 
 `xmllang` is a utility for converting to XML.
+
+Based on grammar/tokenizer from http://www.w3.org/XML/9707/xml-in-c.tar.gz
+also see http://www.w3.org/XML/9707/XML-in-C