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authorKazuhiro Inaoka <inaoka.kazuhiro@renesas.com>2004-12-15 12:13:07 +0000
committerNick Clifton <nickc@gcc.gnu.org>2004-12-15 12:13:07 +0000
commitc331bf080274e520ae3ac9238c73625c9981dedc (patch)
tree60b06fc1a57f4dd134488d9304dfdcff69417786
parent2594119414795e798aa0ed29617f12d0f629c56b (diff)
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config/m32r.c (m32r_legitimize_pic_address): Changed to support GOTOFF relocation.
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
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/m32r/m32r.c11
-rw-r--r--gcc/config/m32r/m32r.md12
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"