dependabot: Update golang dependencies #120
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This helps guard code in downstream projects such as glibc related to hard-float regfile save/restore. Granted we can do this with existing macros: | | #if defined(__ARCV3__) && defined (__ARC_HARD_FLOAT__) | keeping it independent of ISA keeps it future safe. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
In rare cases we need to split 128b PIC access into two 64b loads. Test provided. Signed-off-by: Claudiu Zissulescu <claziss@synopsys.com>
Throw an warning when -Waddress is used Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
The Local Dynamic model is better handled by using more generic Global Dynamic model and accesses using anchors. Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Check if the linker resolves correctly the R_ARC_TLS_LE_32 relocation. Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
This commit adds 128-bit forms of push and pop using the movTI_insn pattern and an implicit stack pointer operand. For the needs of these instructions, the Ustk constraints are relaxed to accept TImode operands. Signed-off-by: Artemiy Volkov <artemiy@synopsys.com>
In the arc64-specific test with 128-bit loads/stores, replace the lddl/stdl instructions involving the stack pointer to their pushdl_s/popdl_s counterparts. Signed-off-by: Artemiy Volkov <artemiy@synopsys.com>
Configured GCC driver to set GNU AS and GNU LD as default assembler and linker for ARCv2 Signed-off-by: Luis Silva <luis.m.silva99@hotmail.com>
Configured GCC driver to set GNU AS and GNU LD as default assembler and linker for ARCv3 Signed-off-by: Luis Silva <luis.m.silva99@hotmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
This is done by preferring the V8HI and V4SI modes whenever m128 is available Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
When operating in 32bit CPUs use reg-pairs Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
In MACH, we try to correct superflu movest from accumulator to a GPR by indentifying the MAC instruction and the superflu move, and combining those two into a single MAX instruction having the GPR as a destination. In the original algorithm, I was asking for next real instruction which is can retrive an instruction acoss BB boundary which is not correct. Thus, this patch. Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Before this change, cc1(plus) could emit "store" insturctions such as:
stl 0x1234, [0x80_0000_1000]
which would become "stl 0x1234, [0x1000]" by the "as"sembler.
This happened, because "arc64_legitimate_address_1_p()" was returning
"true" for any sort of "const_int"s. With this change, it returns
"true" only if the number can fit in 32-bit, and "false" otherwise.
The address preparation as performed by "arc64_prepare_move_operands()"
during the "movdi expand" has already taken care of the rest:
(define_predicate "splittable_const_int_operand"
(match_code "const_int")
{
...
/* Check if the constant can be loaded in a single bsetl/bclrl insn. */
if ((SINGLE_BIT_MASK_OPERAND (zext_hwi (INTVAL (op) >> 32, 32))
&& UNSIGNED_INT32 (zext_hwi (INTVAL (op), 32)))
|| (SINGLE_BIT_MASK_OPERAND (zext_hwi ((~INTVAL (op)) >> 32, 32))
&& (sext_hwi (INTVAL (op), 32) < 0)))
return false;
...
}
Because of this logic, there's no need for a split and a mere
"bsetl r0, 0x1000, 39" will get the job done.
This commit fixies the following security vulnerabilities: - HTTP/2 rapid reset can cause excessive work in net/http; - golang.org/x/net/http2 vulnerable to possible excessive memory growth; - net/http, x/net/http2: close connections when receiving too many headers; - Prefix Truncation Attack against ChaCha20-Poly1305 and Encrypt-then-MAC aka Terrapin; - HTTP/2 Stream Cancellation Attack; - Improper rendering of text nodes in golang.org/x/net/html. Signed-off-by: Evgeny Semenov <semenov@synopsys.com>
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This update fixies the following security vulnerabilities: