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Author SHA1 Message Date
Blue Swirl 2ec00650f6 TCG: fix breakage by previous patch 
Fix incorrect logic and typos in previous commit
1bfd07bdfe.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 18:54:23 +00:00
Blue Swirl 1bfd07bdfe TCG: fix breakage on some RISC hosts 
Fix breakage by a640f03178
and 55c0975c5b.

Some TCG targets don't implement all TCG ops, so make
optimizing those conditional.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 12:21:33 +00:00
Kirill Batuzov a640f03178 Do constant folding for unary operations. 
Perform constant folding for NOT and EXT{8,16,32}{S,U} operations.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 10:51:30 +00:00
Kirill Batuzov 55c0975c5b Do constant folding for shift operations. 
Perform constant forlding for SHR, SHL, SAR, ROTR, ROTL operations.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 10:51:29 +00:00
Kirill Batuzov 9a81090b12 Do constant folding for boolean operations. 
Perform constant folding for AND, OR, XOR operations.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 10:51:29 +00:00
Kirill Batuzov 53108fb574 Do constant folding for basic arithmetic operations. 
Perform actual constant folding for ADD, SUB and MUL operations.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 10:51:28 +00:00
Kirill Batuzov 22613af4a6 Add copy and constant propagation. 
Make tcg_constant_folding do copy and constant propagation. It is a
preparational work before actual constant folding.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 10:51:27 +00:00
Kirill Batuzov 8f2e8c07a6 Add TCG optimizations stub 
Added file tcg/optimize.c to hold TCG optimizations. Function tcg_optimize
is called from tcg_gen_code_common. It calls other functions performing
specific optimizations. Stub for constant folding was added.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
 2011-07-30 10:51:25 +00:00