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gcc: add patch to fix EABI for armv4t

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As pointed out by Martin GUY, gcc incorrectly generates armv5t
instrcutions for EABI, even for cores that are an armv4t.
The new patch (for the 4.3 series) fixes the problem by downgrading
the default CPU for EABI to being an armv4t core.
This commit is contained in:
Yann E. MORIN" 2009-09-09 00:02:01 +02:00
parent 0233ac8534
commit 9335bb7cd6
5 changed files with 55 additions and 0 deletions
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11
patches/gcc/4.3.0/380-unbreak-armv4t.patch Normal file
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@ -0,0 +1,11 @@
--- gcc-4.3.2.orig/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:44.000000000 +0200
+++ gcc-4.3.2/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:51.000000000 +0200
@@ -44,7 +44,7 @@
The ARM10TDMI core is the default for armv5t, so set
SUBTARGET_CPU_DEFAULT to achieve this. */
#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
/* TARGET_BIG_ENDIAN_DEFAULT is set in
config.gcc for big endian configurations. */

11
patches/gcc/4.3.1/360-unbreak-armv4t.patch Normal file
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@ -0,0 +1,11 @@
--- gcc-4.3.2.orig/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:44.000000000 +0200
+++ gcc-4.3.2/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:51.000000000 +0200
@@ -44,7 +44,7 @@
The ARM10TDMI core is the default for armv5t, so set
SUBTARGET_CPU_DEFAULT to achieve this. */
#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
/* TARGET_BIG_ENDIAN_DEFAULT is set in
config.gcc for big endian configurations. */

11
patches/gcc/4.3.2/390-unbreak-armv4t.patch Normal file
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@ -0,0 +1,11 @@
--- gcc-4.3.2.orig/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:44.000000000 +0200
+++ gcc-4.3.2/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:51.000000000 +0200
@@ -44,7 +44,7 @@
The ARM10TDMI core is the default for armv5t, so set
SUBTARGET_CPU_DEFAULT to achieve this. */
#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
/* TARGET_BIG_ENDIAN_DEFAULT is set in
config.gcc for big endian configurations. */

11
patches/gcc/4.3.3/390-unbreak-armv4t.patch Normal file
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@ -0,0 +1,11 @@
--- gcc-4.3.2.orig/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:44.000000000 +0200
+++ gcc-4.3.2/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:51.000000000 +0200
@@ -44,7 +44,7 @@
The ARM10TDMI core is the default for armv5t, so set
SUBTARGET_CPU_DEFAULT to achieve this. */
#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
/* TARGET_BIG_ENDIAN_DEFAULT is set in
config.gcc for big endian configurations. */

11
patches/gcc/4.3.4/390-unbreak-armv4t.patch Normal file
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@ -0,0 +1,11 @@
--- gcc-4.3.2.orig/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:44.000000000 +0200
+++ gcc-4.3.2/gcc/config/arm/linux-eabi.h 2009-09-08 23:46:51.000000000 +0200
@@ -44,7 +44,7 @@
The ARM10TDMI core is the default for armv5t, so set
SUBTARGET_CPU_DEFAULT to achieve this. */
#undef SUBTARGET_CPU_DEFAULT
-#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi
+#define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm9tdmi
/* TARGET_BIG_ENDIAN_DEFAULT is set in
config.gcc for big endian configurations. */