[PATCH 1/2] soft-fp: Automatically create KF files from TF ones

[Tulio Magno Quites Machado Filho]

Use a sed script to automatically generate KF files based on their
respective TF.

2015-10-26  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
            Michael Meissner  <meissner@linux.vnet.ibm.com>

	* soft-fp/Makefile: Generate KF files from TF.
	* soft-fp/.gitignore: Ignore auto-generated files.
---
 soft-fp/.gitignore |  1 +
 soft-fp/Makefile   | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 soft-fp/.gitignore

diff --git a/soft-fp/.gitignore b/soft-fp/.gitignore
new file mode 100644
index 0000000..833e136
--- /dev/null
+++ b/soft-fp/.gitignore
@@ -0,0 +1 @@
+*kf*.c
diff --git a/soft-fp/Makefile b/soft-fp/Makefile
index 28f9f0c..e392b9d 100644
--- a/soft-fp/Makefile
+++ b/soft-fp/Makefile
@@ -37,4 +37,18 @@ gcc-quad-routines := negtf2 addtf3 subtf3 multf3 divtf3 eqtf2 \
 	fixunstfdi floatditf extendsftf2 trunctfsf2 extenddftf2 \
 	trunctfdf2 sqrttf2 floatunsitf floatunditf
 
+# Auto-generate KF routines list, removing unused files.
+gcc-kf-routines-auto := $(subst tf,kf,\
+                          $(filter-out sqrttf2,$(gcc-quad-routines)))
+
+generate-routines: $(addsuffix .c,$(gcc-kf-routines-auto))
+
+clean:
+	-rm -f $(addsuffix .c,$(gcc-kf-routines-auto))
+
 include ../Rules
+
+.SECONDEXPANSION:
+$(addsuffix .c,$(gcc-kf-routines-auto)): $$(subst kf,tf,$$@)
+	@sed -e 's/\(__[a-z]\+\)tf\([a-z0-9]*\)/\1kf\2/g' \
+	     -e 's/quad[.]h/quad-float128.h/g' $< > $@
-- 
2.1.0