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| author | Richard Stallman <rms@gnu.org> | 1993-07-15 02:21:56 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1993-07-15 02:21:56 +0000 |
| commit | ea8fbf8a3343437071b7bfdccf3b8acacd57b8e8 (patch) | |
| tree | 6d9e695bd048de6bcc0697c2d5b7071b58d17e46 | |
| parent | fc84e8a81c6e02906f467755cca9789200251d36 (diff) | |
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(CONCAT): New rtx code.
From-SVN: r4924
| -rw-r--r-- | gcc/rtl.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def index bc219b6..d7c50d4 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') |