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authorRichard Kenner <kenner@gcc.gnu.org>1992-01-28 14:24:03 -0500
committerRichard Kenner <kenner@gcc.gnu.org>1992-01-28 14:24:03 -0500
commit1fcea2b0e88ac3f3f925385eea4de416b8122561 (patch)
treeb07a31662f196741e36ce3828e267f9afbe2382f /gcc/rtl.def
parent203b91b92d59a585517abf343d8cb2c5b08fcb64 (diff)
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From-SVN: r244
Diffstat (limited to 'gcc/rtl.def')
-rw-r--r--gcc/rtl.def14
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def
index 7a40daa..6088aa5 100644
--- a/gcc/rtl.def
+++ b/gcc/rtl.def
@@ -397,6 +397,20 @@ DEF_RTL_EXPR(ASM_INPUT, "asm_input", "s", 'x')
7th is the source line number. */
DEF_RTL_EXPR(ASM_OPERANDS, "asm_operands", "ssiEEsi", 'x')
+/* A machine-specific operation.
+ 1st operand is a vector of operands being used by the operation so that
+ any needed reloads can be done.
+ 2nd operand is a unique value saying which of a number of machine-specific
+ operations is to be performed.
+ (Note that the vector must be the first operand because of the way that
+ genrecog.c record positions within an insn.)
+ This can occur all by itself in a PATTERN, as a component of a PARALLEL,
+ or inside an expression. */
+DEF_RTL_EXPR(UNSPEC, "unspec", "Ei", 'x')
+
+/* Similiar, but a volatile operation and one which may trap. */
+DEF_RTL_EXPR(UNSPEC_VOLATILE, "unspec_volatile", "Ei", 'x')
+
/* Vector of addresses, stored as full words. */
/* Each element is a LABEL_REF to a CODE_LABEL whose address we want. */
DEF_RTL_EXPR(ADDR_VEC, "addr_vec", "E", 'x')