diff options
Diffstat (limited to 'gcc/lra-constraints.cc')
| -rw-r--r-- | gcc/lra-constraints.cc | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/lra-constraints.cc b/gcc/lra-constraints.cc index c941d2f..83f8fda 100644 --- a/gcc/lra-constraints.cc +++ b/gcc/lra-constraints.cc @@ -114,6 +114,7 @@ #include "target.h" #include "rtl.h" #include "tree.h" +#include "stmt.h" #include "predict.h" #include "df.h" #include "memmodel.h" @@ -2168,6 +2169,7 @@ process_alt_operands (int only_alternative) bool costly_p; enum reg_class cl; const HARD_REG_SET *cl_filter; + HARD_REG_SET hard_reg_constraint; /* Calculate some data common for all alternatives to speed up the function. */ @@ -2545,6 +2547,17 @@ process_alt_operands (int only_alternative) cl_filter = nullptr; goto reg; + case '{': + { + int regno = decode_hard_reg_constraint (p); + gcc_assert (regno >= 0); + cl = REGNO_REG_CLASS (regno); + CLEAR_HARD_REG_SET (hard_reg_constraint); + SET_HARD_REG_BIT (hard_reg_constraint, regno); + cl_filter = &hard_reg_constraint; + goto reg; + } + default: cn = lookup_constraint (p); switch (get_constraint_type (cn)) |