From 73a697d96e7ad5c00227ffd7a17611721f457512 Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Fri, 31 Aug 2001 17:10:57 +0000 Subject: [PATCH] Skip TRUNCATE operators in const pool addresses for v850 short switch tables From-SVN: r45326 --- gcc/config/v850/v850.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) 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. */ -- 2.7.4