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| author | Johan Bengtsson <[email protected]> | 2010-04-05 22:59:14 +0200 |
|---|---|---|
| committer | Björn Gustavsson <[email protected]> | 2010-04-07 11:14:27 +0200 |
| commit | 807ebc9d6329026e0449c4fd9e63caf927c08ffe (patch) | |
| tree | f24eb77b97c057734c270b99701e09d710bc79b1 /lib/hipe | |
| parent | 1b6a7c949bcf51e2d537de5cb89cbb6231abbf49 (diff) | |
| download | otp-807ebc9d6329026e0449c4fd9e63caf927c08ffe.tar.gz otp-807ebc9d6329026e0449c4fd9e63caf927c08ffe.tar.bz2 otp-807ebc9d6329026e0449c4fd9e63caf927c08ffe.zip | |
Modify pp_arm to decode imm8m constants
Improve readability by decoding imm8m constants before printing them.
Signed-off-by: Johan Bengtsson <[email protected]>
Diffstat (limited to 'lib/hipe')
| -rw-r--r-- | lib/hipe/arm/hipe_arm_pp.erl | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/hipe/arm/hipe_arm_pp.erl b/lib/hipe/arm/hipe_arm_pp.erl index 7ce8421994..cad56bf16d 100644 --- a/lib/hipe/arm/hipe_arm_pp.erl +++ b/lib/hipe/arm/hipe_arm_pp.erl @@ -246,6 +246,11 @@ stop_suffix(StOp) -> 'strb' -> "b" end. +imm8m_decode(Value, 0) -> + Value; +imm8m_decode(Value, Rot) -> + (Value bsr (2 * Rot)) bor (Value bsl (2 * (16 - Rot))). + pp_temp(Dev, Temp=#arm_temp{reg=Reg, type=Type}) -> case hipe_arm:temp_is_precoloured(Temp) of true -> @@ -292,7 +297,7 @@ pp_am1(Dev, Am1) -> io:format(Dev, "#~w", [Imm5]) end; {Imm8,Imm4} -> - io:format(Dev, "#~w, 2*~w", [Imm8,Imm4]) + io:format(Dev, "#~s", [to_hex(imm8m_decode(Imm8, Imm4))]) end. pp_am2(Dev, #am2{src=Src,sign=Sign,offset=Am2Offset}) -> |