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| author | florian <florian@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2014-08-30 22:13:09 +0000 |
|---|---|---|
| committer | florian <florian@3ad0048d-3df7-0310-abae-a5850022a9f2> | 2014-08-30 22:13:09 +0000 |
| commit | 51ef88633017631139a7e3231093c11b0a05270f (patch) | |
| tree | 5e93a5fc1646ed147c5f0733b2c1bfdd24fd3ae2 | |
| parent | f11183ee15b0df4c744a02baca749837b1ae1bb3 (diff) | |
| download | fpc-51ef88633017631139a7e3231093c11b0a05270f.tar.gz | |
* fixes jump table generate for arm thumb
git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@28546 3ad0048d-3df7-0310-abae-a5850022a9f2
| -rw-r--r-- | compiler/arm/narmset.pas | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/compiler/arm/narmset.pas b/compiler/arm/narmset.pas index 35b34321a3..e1a99f2dbb 100644 --- a/compiler/arm/narmset.pas +++ b/compiler/arm/narmset.pas @@ -141,6 +141,7 @@ implementation procedure tarmcasenode.genjumptable(hp : pcaselabel;min_,max_ : aint); var last : TConstExprInt; + tmpreg, basereg, indexreg : tregister; href : treference; @@ -222,7 +223,7 @@ implementation begin if cs_create_pic in current_settings.moduleswitches then internalerror(2013082102); - cg.a_op_const_reg_reg(current_asmdata.CurrAsmList,OP_SUB,OS_ADDR,min_+1,indexreg,indexreg); + cg.a_op_const_reg_reg(current_asmdata.CurrAsmList,OP_SUB,OS_ADDR,min_,indexreg,indexreg); current_asmdata.getaddrlabel(tablelabel); cg.a_op_const_reg(current_asmdata.CurrAsmList,OP_SHL,OS_ADDR,2,indexreg); @@ -231,9 +232,15 @@ implementation reference_reset_symbol(href,tablelabel,0,4); cg.a_loadaddr_ref_reg(current_asmdata.CurrAsmList, href, basereg); - cg.a_op_reg_reg(current_asmdata.CurrAsmList, OP_ADD, OS_ADDr, indexreg, basereg); - - current_asmdata.CurrAsmList.Concat(taicpu.op_reg(A_BX, basereg)); + reference_reset(href,0); + href.base:=basereg; + href.index:=indexreg; + + tmpreg:=cg.getintregister(current_asmdata.CurrAsmList, OS_ADDR); + cg.a_load_ref_reg(current_asmdata.CurrAsmList, OS_ADDR, OS_ADDR, href, tmpreg); + + { do not use BX here to avoid switching into arm mode } + current_asmdata.CurrAsmList.Concat(taicpu.op_reg_reg(A_MOV, NR_PC, tmpreg)); cg.a_label(current_asmdata.CurrAsmList,tablelabel); { generate jump table } |