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config/m32r.c (m32r_legitimize_pic_address): Changed to support GOTOFF relocation.

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config/m32r.c  (m32r_legitimize_pic_address): Changed to support GOTOFF
               relocation.
config/m32r.md (UNSPEC_GOTOFF): New.
               (gotoff_load_addr): New.

From-SVN: r92186
This commit is contained in:
Kazuhiro Inaoka 2004-12-15 12:13:07 +00:00 committed by Nick Clifton
parent 2594119414
commit c331bf0802
3 changed files with 26 additions and 2 deletions
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5
gcc/ChangeLog
View File

@ -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

11
gcc/config/m32r/m32r.c
View File

@ -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. */

12
gcc/config/m32r/m32r.md
View File

@ -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"