diff options
| author | Sverker Eriksson <[email protected]> | 2016-08-26 12:27:17 +0200 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2016-08-26 12:27:17 +0200 |
| commit | f3e018dc3bb3c74b88c7454f6a1888938215f912 (patch) | |
| tree | 7f217508515647e557cf3c30c79badba9ab0f1dd /lib/hipe/ppc/hipe_ppc.erl | |
| parent | 2a6750d0804d1e30a5463c8aaf5b7342fda967fe (diff) | |
| parent | a504c30efbc14381385a6ef911ba7296840f8cb7 (diff) | |
| download | otp-f3e018dc3bb3c74b88c7454f6a1888938215f912.tar.gz otp-f3e018dc3bb3c74b88c7454f6a1888938215f912.tar.bz2 otp-f3e018dc3bb3c74b88c7454f6a1888938215f912.zip | |
Merge branch 'sverker/hipe-backend-bugs/PR-1146' into maint
Diffstat (limited to 'lib/hipe/ppc/hipe_ppc.erl')
| -rw-r--r-- | lib/hipe/ppc/hipe_ppc.erl | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/hipe/ppc/hipe_ppc.erl b/lib/hipe/ppc/hipe_ppc.erl index 0fa96162f6..380e791bc1 100644 --- a/lib/hipe/ppc/hipe_ppc.erl +++ b/lib/hipe/ppc/hipe_ppc.erl @@ -167,8 +167,10 @@ temp_is_precoloured(#ppc_temp{reg=Reg,type=Type}) -> _ -> hipe_ppc_registers:is_precoloured_gpr(Reg) end. -mk_simm16(Value) -> #ppc_simm16{value=Value}. -mk_uimm16(Value) -> #ppc_uimm16{value=Value}. +mk_simm16(Value) when Value >= -(1 bsl 15), Value < (1 bsl 15) -> + #ppc_simm16{value=Value}. +mk_uimm16(Value) when Value >= 0, Value < (1 bsl 16) -> + #ppc_uimm16{value=Value}. mk_mfa(M, F, A) -> #ppc_mfa{m=M, f=F, a=A}. @@ -240,7 +242,11 @@ mk_li(Dst, Value, Tail) -> % Dst can be R0 Value =< 16#7FFFFFFF -> mk_li32(Dst, R0, Value, Tail); true -> - Highest = (Value bsr 48), % Value@highest + Highest = case (Value bsr 48) of % Value@highest + TopBitSet when TopBitSet >= (1 bsl 15) -> + TopBitSet - (1 bsl 16); % encoder needs it to be negative + FitsSimm16 -> FitsSimm16 + end, Higher = (Value bsr 32) band 16#FFFF, % Value@higher High = (Value bsr 16) band 16#FFFF, % Value@h Low = Value band 16#FFFF, % Value@l |