binutils-gdb/x86_64_mov_to_lea3.s at 6bf99988c68154f435c57309769f8fc1d7c5c449 - binutils-gdb - Collaboration & Inovation

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Ilya Tocar 1fa29f1060 [Gold,x86_64] Convert mov foo@GOTPCREL(%rip), %reg to lea foo(%rip), %reg

2015-04-06  Ilya Tocar  <ilya.tocar@intel.com>

	PR gold/17641
	* x86_64.cc (Target_x86_64::can_convert_mov_to_lea): New.
	(Target_x86_64::Scan::local): Don't create GOT entry, when we
	can convert mov to lea.
	(Target_x86_64::Scan::global): Ditto.
	(Target_x86_64::Relocate::relocate): Convert mov foo@GOTPCREL(%rip),
	%reg to lea foo(%rip), %reg if possible.
	* testsuite/Makefile.am (x86_64_mov_to_lea): New test.
	* testsuite/x86_64_mov_to_lea1.s: New.
	* testsuite/x86_64_mov_to_lea2.s: Ditto.
	* testsuite/x86_64_mov_to_lea3.s: Ditto.
	* testsuite/x86_64_mov_to_lea4.s: Ditto.
	* testsuite/x86_64_mov_to_lea.sh: Ditto.
---

2015-04-06 12:37:34 +03:00

11 lines

160 B

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 	.text
 	.type	foo, @function
 foo:
 	ret
 	.size	foo, .-foo
 	.globl	_start
 	.type	_start, @function
 _start:
 	movq	foo@GOTPCREL(%rip), %rax
 	.size	_start, .-_start