+2012-07-16 Sergey Melnikov <sergey.melnikov@intel.com>
+
+ * config/i386/i386.md (stack_protect_set): Disable the pattern
+ for Android since Android libc (bionic) does not provide random
+ value for stack protection guard at gs:0x14. Guard value
+ will be provided from external symbol (default implementation).
+ (stack_protect_set_<mode>): Likewise.
+ (stack_protect_test): Likewise.
+ (stack_protect_test_<mode>): Likewise.
+
2012-07-16 Hans-Peter Nilsson <hp@axis.com>
* config/cris/cris-protos.h (cris_legitimate_address_p): Declare.
(define_expand "stack_protect_set"
[(match_operand 0 "memory_operand")
(match_operand 1 "memory_operand")]
- ""
+ "!OPTION_BIONIC"
{
rtx (*insn)(rtx, rtx);
UNSPEC_SP_SET))
(set (match_scratch:PTR 2 "=&r") (const_int 0))
(clobber (reg:CC FLAGS_REG))]
- ""
+ "!OPTION_BIONIC"
"mov{<imodesuffix>}\t{%1, %2|%2, %1}\;mov{<imodesuffix>}\t{%2, %0|%0, %2}\;xor{l}\t%k2, %k2"
[(set_attr "type" "multi")])
[(match_operand 0 "memory_operand")
(match_operand 1 "memory_operand")
(match_operand 2)]
- ""
+ "!OPTION_BIONIC"
{
rtx flags = gen_rtx_REG (CCZmode, FLAGS_REG);
(match_operand:PTR 2 "memory_operand" "m")]
UNSPEC_SP_TEST))
(clobber (match_scratch:PTR 3 "=&r"))]
- ""
+ "!OPTION_BIONIC"
"mov{<imodesuffix>}\t{%1, %3|%3, %1}\;xor{<imodesuffix>}\t{%2, %3|%3, %2}"
[(set_attr "type" "multi")])