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authorNick Clifton <nickc@redhat.com>2004-11-23 14:49:12 +0000
committerNick Clifton <nickc@redhat.com>2004-11-23 14:49:12 +0000
commitdae1b34eabf9669f84490afb384c0281485b67ef (patch)
tree17ce68326083282eb615691d01aa44fc3a6fc445
parent7b5ba0cc21af7d622b99986b61a47979bc9943cf (diff)
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* config/tc-mn10300.c (md_relax_table): More fixes to the offsets in this table.
They should be correct now. * gas/mn10300/relax.s: Add further tests of the relaxing of branch instructions. * gas/mn10300/relax.d: Add expected relocations.
-rw-r--r--gas/ChangeLog5
-rw-r--r--gas/config/tc-mn10300.c15
-rw-r--r--gas/testsuite/ChangeLog6
-rw-r--r--gas/testsuite/gas/mn10300/relax.d27
-rw-r--r--gas/testsuite/gas/mn10300/relax.s69
5 files changed, 109 insertions, 13 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 39bc794..8a742f6 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-23 Nick Clifton <nickc@redhat.com>
+
+ * config/tc-mn10300.c (md_relax_table): More fixes to the offsets
+ in this table. They should be correct now.
+
2004-11-23 Jan Beulich <jbeulich@novell.com>
* config/tc-i386.h (CpuMMX2): Declare. Artificial classifier to
diff --git a/gas/config/tc-mn10300.c b/gas/config/tc-mn10300.c
index e2fcf75..847c974 100644
--- a/gas/config/tc-mn10300.c
+++ b/gas/config/tc-mn10300.c
@@ -54,15 +54,20 @@ const char EXP_CHARS[] = "eE";
as in 0d1.0. */
const char FLT_CHARS[] = "dD";
-const relax_typeS md_relax_table[] = {
+const relax_typeS md_relax_table[] =
+{
+ /* The plus values for the bCC and fBCC instructions in the table below
+ are because the branch instruction is translated into a jump
+ instruction that is now +2 or +3 bytes further on in memory, and the
+ correct size of jump instruction must be selected. */
/* bCC relaxing */
{0x7f, -0x80, 2, 1},
- {0x7fff, -0x8000 + 1, 5, 2},
+ {0x7fff + 2, -0x8000 + 2, 5, 2},
{0x7fffffff, -0x80000000, 7, 0},
- /* bCC relaxing (uncommon cases) */
+ /* bCC relaxing (uncommon cases for 3byte length instructions) */
{0x7f, -0x80, 3, 4},
- {0x7fff, -0x8000 + 1, 6, 5},
+ {0x7fff + 3, -0x8000 + 3, 6, 5},
{0x7fffffff, -0x80000000, 8, 0},
/* call relaxing */
@@ -80,7 +85,7 @@ const relax_typeS md_relax_table[] = {
/* fbCC relaxing */
{0x7f, -0x80, 3, 14},
- {0x7fff, -0x8000 + 1, 6, 15},
+ {0x7fff + 3, -0x8000 + 3, 6, 15},
{0x7fffffff, -0x80000000, 8, 0},
};
diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog
index 8931766..da1423f 100644
--- a/gas/testsuite/ChangeLog
+++ b/gas/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2004-11-23 Nick Clifton <nickc@redhat.com>
+
+ * gas/mn10300/relax.s: Add further tests of the relaxing of branch
+ instructions.
+ * gas/mn10300/relax.d: Add expected relocations.
+
2004-11-22 Ravi Ramaseshan <ravi.ramaseshan@codito.com>
* gas/arc/ld.s: Add check of load of a long immediate.
diff --git a/gas/testsuite/gas/mn10300/relax.d b/gas/testsuite/gas/mn10300/relax.d
index 069e8b6..60faa6c 100644
--- a/gas/testsuite/gas/mn10300/relax.d
+++ b/gas/testsuite/gas/mn10300/relax.d
@@ -6,12 +6,31 @@
RELOCATION RECORDS FOR \[.rlcb\]:
OFFSET TYPE VALUE
0+8003 R_MN10300_PCREL8 .L0._0\+0x00000001
-0+8005 R_MN10300_PCREL32 .L2\+0x00000001
+0+8005 R_MN10300_PCREL32 .L1\+0x00000001
-
-RELOCATION RECORDS FOR \[.rsflb\]:
+RELOCATION RECORDS FOR \[.rlfcb\]:
OFFSET TYPE VALUE
0+8004 R_MN10300_PCREL8 .L0._1\+0x00000002
-0+8006 R_MN10300_PCREL32 .L4\+0x00000001
+0+8006 R_MN10300_PCREL32 .L2\+0x00000001
+
+RELOCATION RECORDS FOR \[.rscb\]:
+OFFSET TYPE VALUE
+0+103 R_MN10300_PCREL8 .L0._2\+0x00000001
+0+105 R_MN10300_PCREL16 .L3\+0x00000001
+
+RELOCATION RECORDS FOR \[.rsfcb\]:
+OFFSET TYPE VALUE
+0+104 R_MN10300_PCREL8 .L0._3\+0x00000002
+0+106 R_MN10300_PCREL16 .L4\+0x00000001
+
+RELOCATION RECORDS FOR \[.rsucb\]:
+OFFSET TYPE VALUE
+0+104 R_MN10300_PCREL8 .L0._4\+0x00000002
+0+106 R_MN10300_PCREL16 .L5\+0x00000001
+
+RELOCATION RECORDS FOR \[.rlucb\]:
+OFFSET TYPE VALUE
+0+8004 R_MN10300_PCREL8 .L0._5\+0x00000002
+0+8006 R_MN10300_PCREL32 .L6\+0x00000001
diff --git a/gas/testsuite/gas/mn10300/relax.s b/gas/testsuite/gas/mn10300/relax.s
index 2ef3f60..c847e97 100644
--- a/gas/testsuite/gas/mn10300/relax.s
+++ b/gas/testsuite/gas/mn10300/relax.s
@@ -5,28 +5,89 @@
relax_long_cond_branch:
clr d0
clr d1
-.L2:
+.L1:
add d1,d0
inc d1
.fill 32764, 1, 0xcb
cmp 9,d1
- ble .L2
+ ble .L1
rets
- .section .rsflb, "ax"
+ .section .rlfcb, "ax"
.global relax_long_float_cond_branch
relax_long_float_cond_branch:
clr d0
clr d1
-.L4:
+.L2:
add d1,d0
inc d1
.fill 32764, 1, 0xcb
cmp 9,d1
+ fble .L2
+ rets
+
+ .section .rscb, "ax"
+ .global relax_short_cond_branch
+relax_short_cond_branch:
+ clr d0
+ clr d1
+.L3:
+ add d1,d0
+ inc d1
+
+ .fill 252, 1, 0xcb
+
+ cmp 9,d1
+ ble .L3
+ rets
+
+ .section .rsfcb, "ax"
+ .global relax_short_float_cond_branch
+relax_short_float_cond_branch:
+ clr d0
+ clr d1
+.L4:
+ add d1,d0
+ inc d1
+
+ .fill 252, 1, 0xcb
+
+ cmp 9,d1
fble .L4
rets
+
+ .section .rsucb, "ax"
+ .global relax_short_uncommon_cond_branch
+relax_short_uncommon_cond_branch:
+ clr d0
+ clr d1
+.L5:
+ add d1,d0
+ inc d1
+
+ .fill 252, 1, 0xcb
+
+ cmp 9,d1
+ bvc .L5
+ rets
+
+ .section .rlucb, "ax"
+ .global relax_long_uncommon_cond_branch
+relax_long_uncommon_cond_branch:
+ clr d0
+ clr d1
+.L6:
+ add d1,d0
+ inc d1
+
+ .fill 32764, 1, 0xcb
+
+ cmp 9,d1
+ bvc .L6
+ rets
+