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| author | Jim Wilson <wilson@cygnus.com> | 2000-07-20 21:27:15 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 2000-07-20 14:27:15 -0700 |
| commit | 591eb4baa804e96d82d1efe46ac363f1972b6e00 (patch) | |
| tree | 4e1d7fa6a7bcfa82c9c7a6330753cc58d316542b /gcc | |
| parent | e9958132665bb66931895042efdffd1462ae4340 (diff) | |
| download | gcc-591eb4baa804e96d82d1efe46ac363f1972b6e00.zip gcc-591eb4baa804e96d82d1efe46ac363f1972b6e00.tar.gz gcc-591eb4baa804e96d82d1efe46ac363f1972b6e00.tar.bz2 | |
Fix out-of-range immediate for large thunk offset.
* config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
larger than 14 bits.
From-SVN: r35154
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/ia64/ia64.h | 15 |
2 files changed, 16 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index af27727..6d316d2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2000-07-20 Jim Wilson <wilson@cygnus.com> + + * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values + larger than 14 bits. + 2000-07-20 Zack Weinberg <zack@wolery.cumb.org> * cppmacro.c (CAN_PASTE_AFTER): New macro. diff --git a/gcc/config/ia64/ia64.h b/gcc/config/ia64/ia64.h index 1d64e53..f4fa27a 100644 --- a/gcc/config/ia64/ia64.h +++ b/gcc/config/ia64/ia64.h @@ -1486,12 +1486,19 @@ do { \ /* A C compound statement that outputs the assembler code for a thunk function, used to implement C++ virtual function calls with multiple inheritance. */ -/* ??? This only supports deltas up to 14 bits. If we need more, then we - must load the delta into a register first. */ - #define ASM_OUTPUT_MI_THUNK(FILE, THUNK_FNDECL, DELTA, FUNCTION) \ do { \ - fprintf (FILE, "\tadd r32 = %d, r32\n", (DELTA)); \ + if (CONST_OK_FOR_I (DELTA)) \ + fprintf (FILE, "\tadds r32 = %d, r32\n", (DELTA)); \ + else \ + { \ + if (CONST_OK_FOR_J (DELTA)) \ + fprintf (FILE, "\taddl r2 = %d, r0\n", (DELTA)); \ + else \ + fprintf (FILE, "\tmovl r2 = %d\n", (DELTA)); \ + fprintf (FILE, "\t;;\n"); \ + fprintf (FILE, "\tadd r32 = r2, r32\n"); \ + } \ fprintf (FILE, "\tbr "); \ assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0)); \ fprintf (FILE, "\n"); \ |