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author | Aurelien Jarno <aurelien@aurel32.net> | 2015-07-27 12:41:44 +0200 |
---|---|---|
committer | Richard Henderson <rth@twiddle.net> | 2015-08-24 11:10:54 -0700 |
commit | 299f80130401153af1a6ddb3cc011781bcd47600 (patch) | |
tree | 10a5e31928b35cd8c9b69cd658c70de48f867fc1 /tcg/aarch64 | |
parent | b41059dd9deec367a4ccd296659f0bc5de2dc705 (diff) | |
download | qemu-299f80130401153af1a6ddb3cc011781bcd47600.zip qemu-299f80130401153af1a6ddb3cc011781bcd47600.tar.gz qemu-299f80130401153af1a6ddb3cc011781bcd47600.tar.bz2 |
tcg/optimize: allow constant to have copies
Now that copies and constants are tracked separately, we can allow
constant to have copies, deferring the choice to use a register or a
constant to the register allocation pass. This prevent this kind of
regular constant reloading:
-OUT: [size=338]
+OUT: [size=298]
mov -0x4(%r14),%ebp
test %ebp,%ebp
jne 0x7ffbe9cb0ed6
mov $0x40002219f8,%rbp
mov %rbp,(%r14)
- mov $0x40002219f8,%rbp
mov $0x4000221a20,%rbx
mov %rbp,(%rbx)
mov $0x4000000000,%rbp
mov %rbp,(%r14)
- mov $0x4000000000,%rbp
mov $0x4000221d38,%rbx
mov %rbp,(%rbx)
mov $0x40002221a8,%rbp
mov %rbp,(%r14)
- mov $0x40002221a8,%rbp
mov $0x4000221d40,%rbx
mov %rbp,(%rbx)
mov $0x4000019170,%rbp
mov %rbp,(%r14)
- mov $0x4000019170,%rbp
mov $0x4000221d48,%rbx
mov %rbp,(%rbx)
mov $0x40000049ee,%rbp
mov %rbp,0x80(%r14)
mov %r14,%rdi
callq 0x7ffbe99924d0
mov $0x4000001680,%rbp
mov %rbp,0x30(%r14)
mov 0x10(%r14),%rbp
mov $0x4000001680,%rbp
mov %rbp,0x30(%r14)
mov 0x10(%r14),%rbp
shl $0x20,%rbp
mov (%r14),%rbx
mov %ebx,%ebx
mov %rbx,(%r14)
or %rbx,%rbp
mov %rbp,0x10(%r14)
mov %rbp,0x90(%r14)
mov 0x60(%r14),%rbx
mov %rbx,0x38(%r14)
mov 0x28(%r14),%rbx
mov $0x4000220e60,%r12
mov %rbx,(%r12)
mov $0x40002219c8,%rbx
mov %rbp,(%rbx)
mov 0x20(%r14),%rbp
sub $0x8,%rbp
mov $0x4000004a16,%rbx
mov %rbx,0x0(%rbp)
mov %rbp,0x20(%r14)
mov $0x19,%ebp
mov %ebp,0xa8(%r14)
mov $0x4000015110,%rbp
mov %rbp,0x80(%r14)
xor %eax,%eax
jmpq 0x7ffbebcae426
lea -0x5f6d72a(%rip),%rax # 0x7ffbe3d437b3
jmpq 0x7ffbebcae426
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'tcg/aarch64')
0 files changed, 0 insertions, 0 deletions