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authorEdgar E. Iglesias <edgar.iglesias@gmail.com>2013-02-16 17:42:30 +0000
committerMichael Eager <eager@gcc.gnu.org>2013-02-16 17:42:30 +0000
commit8ec77be0fc99e3a1ba0abd990175ca5b3bc7cfe9 (patch)
tree8db6827c5afa13cddf755039dc7fffa850c2fd37
parentb41288b3a57a382c7e06ef0f847584f06583ceb4 (diff)
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microblaze.c (microblaze_asm_trampoline_template): Replace with a microblaze version.
* config/microblaze/microblaze.c (microblaze_asm_trampoline_template): Replace with a microblaze version. (microblaze_trampoline_init): Adapt for microblaze. * gcc/config/microblaze/microblaze.h (TRAMPOLINE_SIZE): Adapt for microblaze. From-SVN: r196103
-rw-r--r--gcc/ChangeLog8
-rw-r--r--gcc/config/microblaze/microblaze.c18
-rw-r--r--gcc/config/microblaze/microblaze.h3
3 files changed, 17 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 07d5b8a..555e946 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,11 @@
+2013-02-16 Edgar E. Iglesias <edgar.iglesias@gmail.com>
+
+ * config/microblaze/microblaze.c (microblaze_asm_trampoline_template):
+ Replace with a microblaze version.
+ (microblaze_trampoline_init): Adapt for microblaze.
+ * gcc/config/microblaze/microblaze.h (TRAMPOLINE_SIZE): Adapt for
+ microblaze.
+
2013-02-16 Jakub Jelinek <jakub@redhat.com>
Dodji Seketeli <dodji@redhat.com>
diff --git a/gcc/config/microblaze/microblaze.c b/gcc/config/microblaze/microblaze.c
index 8095f82..90c962b 100644
--- a/gcc/config/microblaze/microblaze.c
+++ b/gcc/config/microblaze/microblaze.c
@@ -2776,14 +2776,10 @@ microblaze_elf_asm_init_sections (void)
static void
microblaze_asm_trampoline_template (FILE *f)
{
- fprintf (f, "\t.word\t0x03e00821\t\t# move $1,$31\n");
- fprintf (f, "\t.word\t0x04110001\t\t# bgezal $0,.+8\n");
- fprintf (f, "\t.word\t0x00000000\t\t# nop\n");
- fprintf (f, "\t.word\t0x8fe30014\t\t# lw $3,20($31)\n");
- fprintf (f, "\t.word\t0x8fe20018\t\t# lw $2,24($31)\n");
- fprintf (f, "\t.word\t0x0060c821\t\t# move $25,$3 (abicalls)\n");
- fprintf (f, "\t.word\t0x00600008\t\t# jr $3\n");
- fprintf (f, "\t.word\t0x0020f821\t\t# move $31,$1\n");
+ fprintf (f, "\tmfs r18, rpc\n");
+ fprintf (f, "\tlwi r3, r18, 16\n");
+ fprintf (f, "\tlwi r18, r18, 20\n");
+ fprintf (f, "\tbra r18\n");
/* fprintf (f, "\t.word\t0x00000000\t\t# <function address>\n"); */
/* fprintf (f, "\t.word\t0x00000000\t\t# <static chain value>\n"); */
}
@@ -2797,11 +2793,11 @@ microblaze_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value)
rtx mem;
emit_block_move (m_tramp, assemble_trampoline_template (),
- GEN_INT (8*UNITS_PER_WORD), BLOCK_OP_NORMAL);
+ GEN_INT (6*UNITS_PER_WORD), BLOCK_OP_NORMAL);
- mem = adjust_address (m_tramp, SImode, 8);
+ mem = adjust_address (m_tramp, SImode, 16);
emit_move_insn (mem, chain_value);
- mem = adjust_address (m_tramp, SImode, 12);
+ mem = adjust_address (m_tramp, SImode, 20);
emit_move_insn (mem, fnaddr);
}
diff --git a/gcc/config/microblaze/microblaze.h b/gcc/config/microblaze/microblaze.h
index 5b64e39..3276145 100644
--- a/gcc/config/microblaze/microblaze.h
+++ b/gcc/config/microblaze/microblaze.h
@@ -499,7 +499,8 @@ typedef struct microblaze_args
#define EXIT_IGNORE_STACK 1
-#define TRAMPOLINE_SIZE (32 + 8)
+/* 4 insns + 2 words of data. */
+#define TRAMPOLINE_SIZE (6 * 4)
#define TRAMPOLINE_ALIGNMENT 32