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patches/gcc/4.3.5/380-pr37436.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Wed Dec 26 13:30:51 2012 +0100 (2012-12-26)
changeset 3145 598880dab0f3
parent 1461 35b30f8fb307
permissions -rw-r--r--
libc/glibc: both glibc and eglibc have pkgversion and bugurl

Well, all eglibc version we support do, and latest glibc versions
we support do.

Not all glibc versions do, but older versions simply ignore the
unrecognised ./configure flags.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     1 gcc svn 142778:

     2 

     3 PR target/37436

     4 * arm.c (arm_legitimate_index): Only accept addresses that are in

     5 canonical form.

     6 * predicates.md (arm_reg_or_extendqisi_mem_op): New predicate.

     7 * arm.md (extendqihi2): Use arm_reg_or_extendqisi_mem_op predicate

     8 for operand1.

     9 (extendqisi2): Likewise.

    10 (arm_extendqisi, arm_extendqisi_v6): Use arm_extendqisi_mem_op

    11 predicate for operand1.

    12 

    13 diff -Nura gcc-4.3.3.orig/gcc/config/arm/arm.c gcc-4.3.3/gcc/config/arm/arm.c

    14 --- gcc-4.3.3.orig/gcc/config/arm/arm.c	2008-06-11 07:52:55.000000000 -0300

    15 +++ gcc-4.3.3/gcc/config/arm/arm.c	2009-05-21 16:06:45.000000000 -0300

    16 @@ -3769,6 +3769,7 @@

    17        rtx xop1 = XEXP (x, 1);

    18  

    19        return ((arm_address_register_rtx_p (xop0, strict_p)

    20 +	       && GET_CODE(xop1) == CONST_INT

    21  	       && arm_legitimate_index_p (mode, xop1, outer, strict_p))

    22  	      || (arm_address_register_rtx_p (xop1, strict_p)

    23  		  && arm_legitimate_index_p (mode, xop0, outer, strict_p)));

    24 diff -Nura gcc-4.3.3.orig/gcc/config/arm/arm.md gcc-4.3.3/gcc/config/arm/arm.md

    25 --- gcc-4.3.3.orig/gcc/config/arm/arm.md	2007-09-04 01:44:47.000000000 -0300

    26 +++ gcc-4.3.3/gcc/config/arm/arm.md	2009-05-21 16:06:45.000000000 -0300

    27 @@ -4199,7 +4199,7 @@

    28  

    29  (define_expand "extendqihi2"

    30    [(set (match_dup 2)

    31 -	(ashift:SI (match_operand:QI 1 "general_operand" "")

    32 +	(ashift:SI (match_operand:QI 1 "arm_reg_or_extendqisi_mem_op" "")

    33  		   (const_int 24)))

    34     (set (match_operand:HI 0 "s_register_operand" "")

    35  	(ashiftrt:SI (match_dup 2)

    36 @@ -4224,7 +4224,7 @@

    37  

    38  (define_insn "*arm_extendqihi_insn"

    39    [(set (match_operand:HI 0 "s_register_operand" "=r")

    40 -	(sign_extend:HI (match_operand:QI 1 "memory_operand" "Uq")))]

    41 +	(sign_extend:HI (match_operand:QI 1 "arm_extendqisi_mem_op" "Uq")))]

    42    "TARGET_ARM && arm_arch4"

    43    "ldr%(sb%)\\t%0, %1"

    44    [(set_attr "type" "load_byte")

    45 @@ -4235,7 +4235,7 @@

    46  

    47  (define_expand "extendqisi2"

    48    [(set (match_dup 2)

    49 -	(ashift:SI (match_operand:QI 1 "general_operand" "")

    50 +	(ashift:SI (match_operand:QI 1 "arm_reg_or_extendqisi_mem_op" "")

    51  		   (const_int 24)))

    52     (set (match_operand:SI 0 "s_register_operand" "")

    53  	(ashiftrt:SI (match_dup 2)

    54 @@ -4267,7 +4267,7 @@

    55  

    56  (define_insn "*arm_extendqisi"

    57    [(set (match_operand:SI 0 "s_register_operand" "=r")

    58 -	(sign_extend:SI (match_operand:QI 1 "memory_operand" "Uq")))]

    59 +	(sign_extend:SI (match_operand:QI 1 "arm_extendqisi_mem_op" "Uq")))]

    60    "TARGET_ARM && arm_arch4 && !arm_arch6"

    61    "ldr%(sb%)\\t%0, %1"

    62    [(set_attr "type" "load_byte")

    63 @@ -4278,7 +4278,8 @@

    64  

    65  (define_insn "*arm_extendqisi_v6"

    66    [(set (match_operand:SI 0 "s_register_operand" "=r,r")

    67 -	(sign_extend:SI (match_operand:QI 1 "nonimmediate_operand" "r,Uq")))]

    68 +	(sign_extend:SI

    69 +	 (match_operand:QI 1 "arm_reg_or_extendqisi_mem_op" "r,Uq")))]

    70    "TARGET_ARM && arm_arch6"

    71    "@

    72     sxtb%?\\t%0, %1

    73 diff -Nura gcc-4.3.3.orig/gcc/config/arm/predicates.md gcc-4.3.3/gcc/config/arm/predicates.md

    74 --- gcc-4.3.3.orig/gcc/config/arm/predicates.md	2007-08-02 07:49:31.000000000 -0300

    75 +++ gcc-4.3.3/gcc/config/arm/predicates.md	2009-05-21 16:06:45.000000000 -0300

    76 @@ -234,6 +234,10 @@

    77         (match_test "arm_legitimate_address_p (mode, XEXP (op, 0), SIGN_EXTEND,

    78  					      0)")))

    79  

    80 +(define_special_predicate "arm_reg_or_extendqisi_mem_op"

    81 +  (ior (match_operand 0 "arm_extendqisi_mem_op")

    82 +       (match_operand 0 "s_register_operand")))

    83 +

    84  (define_predicate "power_of_two_operand"

    85    (match_code "const_int")

    86  {
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