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authorrms <rms@138bc75d-0d04-0410-961f-82ee72b054a4>1993-07-15 02:21:56 +0000
committerrms <rms@138bc75d-0d04-0410-961f-82ee72b054a4>1993-07-15 02:21:56 +0000
commit54906951fd089c1bc5593c8501e9f05d09c7fa47 (patch)
tree6d9e695bd048de6bcc0697c2d5b7071b58d17e46 /gcc/rtl.def
parent76c37538a2c7f120d60ef469b99db65c0c8894a7 (diff)
downloadgcc-54906951fd089c1bc5593c8501e9f05d09c7fa47.tar.gz
(CONCAT): New rtx code.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@4924 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/rtl.def')
-rw-r--r--gcc/rtl.def6
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def
index bc219b600b7..d7c50d4948b 100644
--- a/gcc/rtl.def
+++ b/gcc/rtl.def
@@ -540,6 +540,12 @@ DEF_RTL_EXPR(SUBREG, "subreg", "ei", 'x')
DEF_RTL_EXPR(STRICT_LOW_PART, "strict_low_part", "e", 'x')
+/* (CONCAT a b) represents the virtual concatenation of a and b
+ to make a value that has as many bits as a and b put together.
+ This is used for complex values. Normally it appears only
+ in DECL_RTLs and during RTL generation, but not in the insn chain. */
+DEF_RTL_EXPR(CONCAT, "concat", "ee", 'o')
+
/* A memory location; operand is the address.
Can be nested inside a VOLATILE. */
DEF_RTL_EXPR(MEM, "mem", "e", 'o')