diff --git a/runtime/syntax/sdc.vim b/runtime/syntax/sdc.vim
new file mode 100644
index 0000000..0ca9bec
--- /dev/null
+++ b/runtime/syntax/sdc.vim
@@ -0,0 +1,41 @@
+" Vim syntax file
+" Language:     SDC - Synopsys Design Constraints
+" Maintainer:   Maurizio Tranchero - maurizio.tranchero@gmail.com
+" Last Change:  Thu Mar  25 17:35:16 CET 2009
+" Credits:      based on TCL Vim syntax file
+" Version:	0.3
+
+" Quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" Read the TCL syntax to start with
+runtime! syntax/tcl.vim
+
+" SDC-specific keywords
+syn keyword sdcCollections	foreach_in_collection
+syn keyword sdcObjectsQuery	get_clocks get_ports
+syn keyword sdcObjectsInfo	get_point_info get_node_info get_path_info
+syn keyword sdcObjectsInfo	get_timing_paths set_attribute
+syn keyword sdcConstraints	set_false_path
+syn keyword sdcNonIdealities	set_min_delay set_max_delay
+syn keyword sdcNonIdealities	set_input_delay set_output_delay
+syn keyword sdcNonIdealities	set_load set_min_capacitance set_max_capacitance
+syn keyword sdcCreateOperations	create_clock create_timing_netlist update_timing_netlist
+
+" command flags highlighting
+syn match sdcFlags		"[[:space:]]-[[:alpha:]]*\>"
+
+" Define the default highlighting.
+hi def link sdcCollections      Repeat
+hi def link sdcObjectsInfo      Operator
+hi def link sdcCreateOperations	Operator
+hi def link sdcObjectsQuery	Operator
+hi def link sdcConstraints	Operator
+hi def link sdcNonIdealities	Operator
+hi def link sdcFlags		Special
+
+let b:current_syntax = "sdc"
+
+" vim: ts=8