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target/microblaze: Convert dec_sub to decodetree

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Use tcg_gen_add2_i32 for computing carry.
This removes the last use of helper_carry, so remove that.

Tested-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2020-08-17 11:29:24 -07:00
parent 2080017965
commit a2b0b90e79
4 changed files with 65 additions and 75 deletions
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1
target/microblaze/helper.h
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@ -1,5 +1,4 @@
DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, i32)
DEF_HELPER_FLAGS_3(carry, TCG_CALL_NO_RWG_SE, i32, i32, i32, i32)
DEF_HELPER_2(cmp, i32, i32, i32)
DEF_HELPER_2(cmpu, i32, i32, i32)