diff options
Diffstat (limited to 'gcc/rtl.def')
| -rw-r--r-- | gcc/rtl.def | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def index 8f47d40..970a937 100644 --- a/gcc/rtl.def +++ b/gcc/rtl.def @@ -1,7 +1,7 @@ /* 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, 1998 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. @@ -850,10 +850,9 @@ 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. 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. */ +/* 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') /* |