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[toolchain]: add avr32 support to gcc 4.3.5

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23865 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz 2010-11-04 14:17:06 +00:00
parent 61c948163d
commit 83cccb37e9
12 changed files with 22594 additions and 3 deletions
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22388
toolchain/gcc/patches/4.3.5/930-avr32_support.patch Normal file
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File diff suppressed because it is too large Load Diff

25
toolchain/gcc/patches/4.3.5/939-avr32_fix_linux_build.patch Normal file
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@ -0,0 +1,25 @@
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -836,7 +836,7 @@ avr-*-*)
;;
avr32*-*-linux*)
tm_file="dbxelf.h elfos.h linux.h avr32/linux-elf.h avr32/avr32.h "
- tmake_file="t-linux avr32/t-avr32 avr32/t-elf"
+ tmake_file="t-linux avr32/t-avr32-linux"
extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
extra_modes=avr32/avr32-modes.def
gnu_ld=yes
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -240,6 +240,11 @@ arm-*-pe*)
;;
arm*-*-kaos*)
;;
+avr32-*-linux*)
+ # No need to build crtbeginT.o on uClibc systems. Should probably be
+ # moved to the OS specific section above.
+ extra_parts="crtbegin.o crtbeginS.o crtend.o crtendS.o"
+ ;;
avr32-*-*)
;;
avr-*-rtems*)

10
toolchain/gcc/patches/4.3.5/940-avr32_fix_f32_to_f64.patch Normal file
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@ -0,0 +1,10 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -2800,6 +2800,7 @@ __extendsfdf_return_op1:
lsl r11,8 /* check mantissa */
movne r11, -1 /* Return NaN */
moveq r11, r10 /* Return inf */
+ mov r10, 0
rjmp __extendsfdf_return_op1
#endif

10
toolchain/gcc/patches/4.3.5/941-avr32_fix_f64_add.patch Normal file
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@ -0,0 +1,10 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -1036,6 +1036,7 @@ __avr32_f64_add_opL_nan_or_inf:
brne __avr32_f64_add_return_nan
mov r10, 0 /* Generate Inf in r11, r10 */
mov_imm r11, 0x7ff00000
+ or r11, r12 /* Put sign bit back */
ldm sp++, r5, r6, r7, pc/* opL Inf, return Inf */
__avr32_f64_add_return_nan:
mov r10, -1 /* Generate NaN in r11, r10 */

34
toolchain/gcc/patches/4.3.5/942-avr32_fix_32bit_div.patch Normal file
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@ -0,0 +1,34 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -2257,10 +2257,13 @@ __avr32_f32_div:
/* Unpack */
lsl r12,1
- reteq 0 /* Return zero if op1 is zero */
lsl r11,1
breq 4f /* Check op2 for zero */
-
+
+ tst r12, r12
+ moveq r9, 0
+ breq 12
+
/* Unpack op1*/
/* exp: r9 */
/* sf: r12 */
@@ -2279,9 +2282,14 @@ __avr32_f32_div:
breq 13f /*If number is subnormal*/
cp r10, 0xff
brhs 3f /* Check op2 for NaN or Inf */
-
lsl r11,7
sbr r11, 31 /*Implicit bit*/
+
+ cp.w r9, 0
+ subfeq r12, 0
+ reteq 0 /* op1 is zero and op2 is not zero */
+ /* or NaN so return zero */
+
14:
/* For UC3, store with predecrement is faster than stm */

66
toolchain/gcc/patches/4.3.5/943-avr32_fix_f64_cmp.patch Normal file
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@ -0,0 +1,66 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -1389,25 +1389,30 @@ __avr32_f64_cmp_lt:
#endif
/* compare magnitude of op1 and op2 */
+ st.w --sp, lr
+ st.w --sp, r7
lsl r11,1 /* Remove sign bit of op1 */
srcs r12 /* Sign op1 to lsb of r12*/
- subfeq r10, 0
- breq 3f /* op1 zero */
lsl r9,1 /* Remove sign bit of op2 */
+ srcs r7
rol r12 /* Sign op2 to lsb of lr, sign bit op1 bit 1 of r12*/
/* Check for Nan */
- pushm lr
- mov_imm lr, 0xffe00000
+ mov_imm lr, 0xffe00000
cp.w r10,0
cpc r11,lr
brhi 0f /* We have NaN */
cp.w r8,0
cpc r9,lr
brhi 0f /* We have NaN */
- popm lr
-
+
+ cp.w r11, 0
+ subfeq r10, 0
+ breq 3f /* op1 zero */
+ ld.w r7, sp++
+ ld.w lr, sp++
+
cp.w r12,3 /* both operands negative ?*/
breq 1f
@@ -1453,18 +1458,22 @@ __avr32_f64_cmp_lt:
#endif
0:
+ ld.w r7, sp++
popm pc, r12=0
#endif
3:
- lsl r9,1 /* Remove sign bit of op1 */
+ cp.w r7, 1 /* Check sign bit from r9 */
#ifdef L_avr32_f64_cmp_ge
- srcs r12 /* If op2 is negative then op1 >= op2. */
+ sreq r12 /* If op2 is negative then op1 >= op2. */
#endif
#ifdef L_avr32_f64_cmp_lt
- srcc r12 /* If op2 is positve then op1 <= op2. */
+ srne r12 /* If op2 is positve then op1 <= op2. */
#endif
- subfeq r8, 0
+ cp.w r9, 0
+ subfeq r8, 0
+ ld.w r7, sp++
+ ld.w lr, sp++
#ifdef L_avr32_f64_cmp_ge
reteq 1 /* Both operands are zero. Return true. */
#endif

20
toolchain/gcc/patches/4.3.5/944-avr32_fix_f64_div.patch Normal file
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@ -0,0 +1,20 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -1733,7 +1733,7 @@ __avr32_f64_div_round_subnormal:
brne 16f /* Return NaN if op1 is NaN */
/* Op1 is inf check op2 */
lsr r6, r9, 20 /* Extract exponent */
- cbr r6, 8 /* Clear sign bit */
+ cbr r6, 11 /* Clear sign bit */
cp r6, 0x7ff
brne 17f /* Inf/number gives inf, return inf */
rjmp 16f /* The rest gives NaN*/
@@ -1849,7 +1849,7 @@ __avr32_f64_div_res_subnormal:/* Divide
16: /* Return NaN. */
mov r11, -1
- mov r10, -1
+ mov r10, 0
ldm sp++, r0, r1, r2, r3, r4, r5, r6, r7,pc
17: /* Return INF. */

11
toolchain/gcc/patches/4.3.5/945-avr32_fix_f64_to_f32.patch Normal file
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@ -0,0 +1,11 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -2866,7 +2866,7 @@ __truncdfsf_return_op1:
/* NaN or inf */
cbr r12,31 /* clear implicit bit */
retne -1 /* Return NaN if mantissa not zero */
- mov_imm r12, 0xff000000
+ mov_imm r12, 0x7f800000
ret r12 /* Return inf */
3: /* Result is subnormal. Adjust it.*/

27
toolchain/gcc/patches/4.3.5/946-avr32_fix_32bit_div_2.patch Normal file
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@ -0,0 +1,27 @@
--- a/gcc/config/avr32/lib1funcs.S
+++ b/gcc/config/avr32/lib1funcs.S
@@ -2271,7 +2271,7 @@ __avr32_f32_div:
tst r12, r12
moveq r9, 0
- breq 12
+ breq 12f
/* Unpack op1*/
/* exp: r9 */
@@ -2467,9 +2467,14 @@ __divsf_return_op1:
reteq 0 /* Return zero if number/inf*/
ret -1 /* Return NaN*/
4:
- /* Op2 is zero ? */
+ /* Op1 is zero ? */
tst r12,r12
reteq -1 /* 0.0/0.0 is NaN */
+ /* Op1 is Nan? */
+ lsr r9, r12, 24
+ breq 11f /*If number is subnormal*/
+ cp r9, 0xff
+ brhs 2b /* Check op1 for NaN or Inf */
/* Nonzero/0.0 is Inf. Sign bit will be shifted in before returning*/
mov_imm r12, 0xff000000
rjmp __divsf_return_op1

2
toolchain/gcc/patches/4.3.5/995-short-enums.diff
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@ -3,7 +3,7 @@ Index: gcc-4.3.0/gcc/tree.h
===================================================================
--- gcc-4.3.0/gcc/tree.h (revision 130511)
+++ gcc-4.3.0/gcc/tree.h (working copy)
@@ -38,6 +38,7 @@
@@ -39,6 +39,7 @@
LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
NUM_TREE_CODES. */

2
toolchain/gcc/patches/4.3.5/998-gcc-4.3.0-fix-header.00.patch
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@ -2,7 +2,7 @@
\\ gcc PR33200
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2314,7 +2314,7 @@ sh-*-symbianelf* | sh[12346l]*-*-symbian
@@ -2332,7 +2332,7 @@ sh-*-symbianelf* | sh[12346l]*-*-symbian
if test x${enable_incomplete_targets} = xyes ; then
tm_defines="$tm_defines SUPPORT_SH1=1 SUPPORT_SH2E=1 SUPPORT_SH4=1 SUPPORT_SH4_SINGLE=1 SUPPORT_SH2A=1 SUPPORT_SH2A_SINGLE=1 SUPPORT_SH5_32MEDIA=1 SUPPORT_SH5_32MEDIA_NOFPU=1 SUPPORT_SH5_64MEDIA=1 SUPPORT_SH5_64MEDIA_NOFPU=1"
fi

2
toolchain/gcc/patches/4.3.5/999-coldfire.patch
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@ -1,6 +1,6 @@
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1627,6 +1627,7 @@ m68k-*-linux*) # Motorola m68k's runnin
@@ -1645,6 +1645,7 @@ m68k-*-linux*) # Motorola m68k's runnin
if test x$sjlj != x1; then
tmake_file="$tmake_file m68k/t-slibgcc-elf-ver"
fi