diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/m32r/m32r.c | 11 | ||||
| -rw-r--r-- | gcc/config/m32r/m32r.md | 12 |
3 files changed, 26 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 461f5959..bbdaeab 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -3,6 +3,11 @@ * config/m32r/m32r.h (PREFERRED_DEBUGGING_TYPE): Use DWARF2_DEBUG. + * config/m32r.c (m32r_legitimize_pic_address): Changed + to support GOTOFF relocation. + * config/m32r.md (UNSPEC_GOTOFF): New. + (gotoff_load_addr): New. + 2004-12-15 Richard Sandiford <rsandifo@redhat.com> * config/mips/mips.c (mips_arg_info): Use FUNCTION_ARG_BOUNDARY to diff --git a/gcc/config/m32r/m32r.c b/gcc/config/m32r/m32r.c index 384b5ae..b5a5325 100644 --- a/gcc/config/m32r/m32r.c +++ b/gcc/config/m32r/m32r.c @@ -1987,12 +1987,21 @@ m32r_legitimize_pic_address (rtx orig, rtx reg) else address = reg; + current_function_uses_pic_offset_table = 1; + + if (GET_CODE (orig) == LABEL_REF + || (GET_CODE (orig) == SYMBOL_REF && SYMBOL_REF_LOCAL_P (orig))) + { + emit_insn (gen_gotoff_load_addr (reg, orig)); + emit_insn (gen_addsi3 (reg, reg, pic_offset_table_rtx)); + return reg; + } + emit_insn (gen_pic_load_addr (address, orig)); emit_insn (gen_addsi3 (address, address, pic_offset_table_rtx)); pic_ref = gen_const_mem (Pmode, address); insn = emit_move_insn (reg, pic_ref); - current_function_uses_pic_offset_table = 1; #if 0 /* Put a REG_EQUAL note on this insn, so that it can be optimized by loop. */ diff --git a/gcc/config/m32r/m32r.md b/gcc/config/m32r/m32r.md index f1236d4..37f94e4 100644 --- a/gcc/config/m32r/m32r.md +++ b/gcc/config/m32r/m32r.md @@ -31,7 +31,9 @@ [(UNSPEC_LOAD_SDA_BASE 2) (UNSPEC_SET_CBIT 3) (UNSPEC_PIC_LOAD_ADDR 4) - (UNSPEC_GET_PC 5)]) + (UNSPEC_GET_PC 5) + (UNSPEC_GOTOFF 6) + ]) ;; Insn type. Used to default other attribute values. (define_attr "type" @@ -2570,6 +2572,14 @@ "ld24 %0,%#%1" [(set_attr "type" "int4")]) +(define_insn "gotoff_load_addr" + [(set (match_operand:SI 0 "register_operand" "=r") + (unspec:SI [(match_operand 1 "" "")] UNSPEC_GOTOFF))] + "flag_pic" + "seth %0, %#shigh(%1@GOTOFF)\;add3 %0, %0, low(%1@GOTOFF)" + [(set_attr "type" "int4") + (set_attr "length" "8")]) + ;; Load program counter insns. (define_insn "get_pc" |