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| author | Jeff Law <law@gcc.gnu.org> | 1999-09-06 23:49:18 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-09-06 23:49:18 -0600 |
| commit | c5c7673583c6310e7f8e45704fdc4aadff33e393 (patch) | |
| tree | f1a67b6ea75a7f0da3f06e0a1c60b213f4403168 /gcc/rtl.def | |
| parent | ad85216ece38be37dacbbb3fa7bb7db69aa33a4b (diff) | |
| download | gcc-c5c7673583c6310e7f8e45704fdc4aadff33e393.zip gcc-c5c7673583c6310e7f8e45704fdc4aadff33e393.tar.gz gcc-c5c7673583c6310e7f8e45704fdc4aadff33e393.tar.bz2 | |
Merge in gcc2-ss-010999
From-SVN: r29150
Diffstat (limited to 'gcc/rtl.def')
| -rw-r--r-- | gcc/rtl.def | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def index 0b5a83a..257ab07f 100644 --- a/gcc/rtl.def +++ b/gcc/rtl.def @@ -1,7 +1,8 @@ /* This file contains the definitions and documentation for the Register Transfer Expressions (rtx's) that make up the Register Transfer Language (rtl) used in the Back End of the GNU compiler. - Copyright (C) 1987, 88, 92, 94, 95, 97, 98, 1999 Free Software Foundation, Inc. + Copyright (C) 1987, 88, 92, 94, 95, 97, 98, 1999 + Free Software Foundation, Inc. This file is part of GNU CC. @@ -529,9 +530,14 @@ DEF_RTL_EXPR(CONST_STRING, "const_string", "s", 'o') /* This is used to encapsulate an expression whose value is constant (such as the sum of a SYMBOL_REF and a CONST_INT) so that it will be recognized as a constant operand rather than by arithmetic instructions. */ - DEF_RTL_EXPR(CONST, "const", "e", 'o') +/* A unary `__builtin_constant_p' expression. This RTL code may only be used + as an operand of a CONST. This pattern is only emitted during RTL + generation and then only if optimize > 0. It is converted by the first + CSE pass into the appropriate CONST_INT. */ +DEF_RTL_EXPR(CONSTANT_P_RTX, "constant_p_rtx", "e", 'x') + /* program counter. Ordinary jumps are represented by a SET whose first operand is (PC). */ DEF_RTL_EXPR(PC, "pc", "", 'o') @@ -849,11 +855,6 @@ DEF_RTL_EXPR(RANGE_VAR, "range_var", "eti", 'x') 0 is the live bitmap. Operand 1 is the original block number. */ DEF_RTL_EXPR(RANGE_LIVE, "range_live", "bi", 'x') -/* A unary `__builtin_constant_p' expression. These are only emitted - during RTL generation, and then only if optimize > 0. They are - eliminated by the first CSE pass. */ -DEF_RTL_EXPR(CONSTANT_P_RTX, "constant_p_rtx", "e", 'x') - /* A placeholder for a CALL_INSN which may be turned into a normal call, a sibling (tail) call or tail recursion. |