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authorDJ Delorie <dj@redhat.com>2009-04-07 18:21:22 +0000
committerDJ Delorie <dj@redhat.com>2009-04-07 18:21:22 +0000
commitbcb012d3f5c0ea3015854d06f8778224f62bbfb8 (patch)
tree4257ad672658cb445e1abcf80d828074a8ed14fe /gas
parent6ce340f181d0192335efd786914c30e7d3277729 (diff)
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[bfd]
* elf32-h8300.c (elf32_h8_relax_section): Relax MOVA opcodes. [gas] * tc-h8300.c (do_a_fix_imm): Pass the insn, force relocs for MOVA immediates. (build_bytes): Pass insn to do_a_fix_imm. [include/opcode] * h8300.h: Add relaxation attributes to MOVA opcodes.
Diffstat (limited to 'gas')
-rw-r--r--gas/ChangeLog6
-rw-r--r--gas/config/tc-h8300.c21
2 files changed, 23 insertions, 4 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2c2e59f..b809890 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,9 @@
+2009-04-06 DJ Delorie <dj@redhat.com>
+
+ * tc-h8300.c (do_a_fix_imm): Pass the insn, force relocs for MOVA
+ immediates.
+ (build_bytes): Pass insn to do_a_fix_imm.
+
2009-04-02 Daniel Gutson <dgutson@codesourcery.com>
* config/tc-arm.c (arm_cpus): Add entry for ARM Cortex-M0.
diff --git a/gas/config/tc-h8300.c b/gas/config/tc-h8300.c
index 86b2450..ea94c39 100644
--- a/gas/config/tc-h8300.c
+++ b/gas/config/tc-h8300.c
@@ -299,7 +299,7 @@ struct h8_op
static void clever_message (const struct h8_instruction *, struct h8_op *);
static void fix_operand_size (struct h8_op *, int);
static void build_bytes (const struct h8_instruction *, struct h8_op *);
-static void do_a_fix_imm (int, int, struct h8_op *, int);
+static void do_a_fix_imm (int, int, struct h8_op *, int, const struct h8_instruction *);
static void check_operand (struct h8_op *, unsigned int, char *);
static const struct h8_instruction * get_specific (const struct h8_instruction *, struct h8_op *, int) ;
static char *get_operands (unsigned, char *, struct h8_op *);
@@ -1273,7 +1273,7 @@ check_operand (struct h8_op *operand, unsigned int width, char *string)
(may relax into an 8bit absolute address). */
static void
-do_a_fix_imm (int offset, int nibble, struct h8_op *operand, int relaxmode)
+do_a_fix_imm (int offset, int nibble, struct h8_op *operand, int relaxmode, const struct h8_instruction *this_try)
{
int idx;
int size;
@@ -1313,6 +1313,17 @@ do_a_fix_imm (int offset, int nibble, struct h8_op *operand, int relaxmode)
check_operand (operand, 0xffff, t);
bytes[0] |= operand->exp.X_add_number >> 8;
bytes[1] |= operand->exp.X_add_number >> 0;
+#ifdef OBJ_ELF
+ /* MOVA needs both relocs to relax the second operand properly. */
+ if (relaxmode != 0
+ && (OP_KIND(this_try->opcode->how) == O_MOVAB
+ || OP_KIND(this_try->opcode->how) == O_MOVAW
+ || OP_KIND(this_try->opcode->how) == O_MOVAL))
+ {
+ idx = BFD_RELOC_16;
+ fix_new_exp (frag_now, offset, 2, &operand->exp, 0, idx);
+ }
+#endif
break;
case L_24:
check_operand (operand, 0xffffff, t);
@@ -1576,12 +1587,14 @@ build_bytes (const struct h8_instruction *this_try, struct h8_op *operand)
if (x_mode == IMM || x_mode == DISP)
do_a_fix_imm (output - frag_now->fr_literal + op_at[i] / 2,
- op_at[i] & 1, operand + i, (x & MEMRELAX) != 0);
+ op_at[i] & 1, operand + i, (x & MEMRELAX) != 0,
+ this_try);
else if (x_mode == ABS)
do_a_fix_imm (output - frag_now->fr_literal + op_at[i] / 2,
op_at[i] & 1, operand + i,
- (x & MEMRELAX) ? movb + 1 : 0);
+ (x & MEMRELAX) ? movb + 1 : 0,
+ this_try);
else if (x_mode == PCREL)
{