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| author | Nick Clifton <nickc@gcc.gnu.org> | 2001-08-31 17:10:57 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@gcc.gnu.org> | 2001-08-31 17:10:57 +0000 |
| commit | 73a697d96e7ad5c00227ffd7a17611721f457512 (patch) | |
| tree | eed9675684db1b68b36c9e51e1cd98e170cbc5d9 /gcc/config/v850 | |
| parent | ef7112de26b338a77e76e5e2b2ef0ca4ed306a37 (diff) | |
| download | gcc-73a697d96e7ad5c00227ffd7a17611721f457512.zip gcc-73a697d96e7ad5c00227ffd7a17611721f457512.tar.gz gcc-73a697d96e7ad5c00227ffd7a17611721f457512.tar.bz2 | |
Skip TRUNCATE operators in const pool addresses for v850 short switch tables
From-SVN: r45326
Diffstat (limited to 'gcc/config/v850')
| -rw-r--r-- | gcc/config/v850/v850.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/config/v850/v850.h b/gcc/config/v850/v850.h index 281f219..5baef15 100644 --- a/gcc/config/v850/v850.h +++ b/gcc/config/v850/v850.h @@ -1248,6 +1248,18 @@ do { \ #undef USER_LABEL_PREFIX #define USER_LABEL_PREFIX "_" +/* When ASM_OUTPUT_SHORT is used to emit the offsets for a switch + table it can encounter (TRUNCATE:HI (MINUS:SI (LABEL_REF:SI) (LABEL_REF:SI))). + output_addr_const will normally barf at this, but it is OK to omit + the truncate and just emit the difference of the two labels. The + .hword directive will automatically handle the truncation for us. */ + +#define OUTPUT_ADDR_CONST_EXTRA(FILE, X, FAIL) \ + if (GET_CODE (x) == TRUNCATE) \ + return output_addr_const (FILE, XEXP (X, 0)); \ + else \ + goto FAIL; + /* This is how to output an assembler line defining a `double' constant. It is .double or .float, depending. */ |