diff options
Diffstat (limited to 'gcc/rtl.def')
| -rw-r--r-- | gcc/rtl.def | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def index 4c678db..61cb811 100644 --- a/gcc/rtl.def +++ b/gcc/rtl.def @@ -338,7 +338,8 @@ DEF_RTL_EXPR(VALUE, "value", "0", RTX_OBJ) the REGNO macro. If this number is less than FIRST_PSEUDO_REGISTER than a hardware register is being referred to. The second operand holds the original register number - this will be different for a - pseudo register that got turned into a hard register. + pseudo register that got turned into a hard register. The third + operand points to a reg_attrs structure. This rtx needs to have as many (or more) fields as a MEM, since we can change REG rtx's into MEMs during reload. */ DEF_RTL_EXPR(REG, "reg", "i00", RTX_OBJ) |