diff options
Diffstat (limited to 'compiler/nativeGen/SPARC/Ppr.hs')
| -rw-r--r-- | compiler/nativeGen/SPARC/Ppr.hs | 58 |
1 files changed, 31 insertions, 27 deletions
diff --git a/compiler/nativeGen/SPARC/Ppr.hs b/compiler/nativeGen/SPARC/Ppr.hs index b9462dfa19..93beabef10 100644 --- a/compiler/nativeGen/SPARC/Ppr.hs +++ b/compiler/nativeGen/SPARC/Ppr.hs @@ -13,7 +13,6 @@ module SPARC.Ppr ( pprNatCmmDecl, pprBasicBlock, - pprSectionHeader, pprData, pprInstr, pprFormat, @@ -53,7 +52,7 @@ import Data.Word pprNatCmmDecl :: NatCmmDecl CmmStatics Instr -> SDoc pprNatCmmDecl (CmmData section dats) = - pprSectionHeader section $$ pprDatas dats + pprSectionAlign section $$ pprDatas dats pprNatCmmDecl proc@(CmmProc top_info lbl _ (ListGraph blocks)) = case topInfoTable proc of @@ -62,28 +61,31 @@ pprNatCmmDecl proc@(CmmProc top_info lbl _ (ListGraph blocks)) = [] -> -- special case for split markers: pprLabel lbl blocks -> -- special case for code without info table: - pprSectionHeader Text $$ + pprSectionAlign (Section Text lbl) $$ pprLabel lbl $$ -- blocks guaranteed not null, so label needed vcat (map (pprBasicBlock top_info) blocks) Just (Statics info_lbl _) -> sdocWithPlatform $ \platform -> (if platformHasSubsectionsViaSymbols platform - then pprSectionHeader Text $$ + then pprSectionAlign dspSection $$ ppr (mkDeadStripPreventer info_lbl) <> char ':' else empty) $$ vcat (map (pprBasicBlock top_info) blocks) $$ - -- above: Even the first block gets a label, because with branch-chain - -- elimination, it might be the target of a goto. - (if platformHasSubsectionsViaSymbols platform - then - -- See Note [Subsections Via Symbols] - text "\t.long " - <+> ppr info_lbl - <+> char '-' - <+> ppr (mkDeadStripPreventer info_lbl) - else empty) - + -- above: Even the first block gets a label, because with branch-chain + -- elimination, it might be the target of a goto. + (if platformHasSubsectionsViaSymbols platform + then + -- See Note [Subsections Via Symbols] + text "\t.long " + <+> ppr info_lbl + <+> char '-' + <+> ppr (mkDeadStripPreventer info_lbl) + else empty) + +dspSection :: Section +dspSection = Section Text $ + panic "subsections-via-symbols doesn't combine with split-sections" pprBasicBlock :: BlockEnv CmmStatics -> NatBasicBlock Instr -> SDoc pprBasicBlock info_env (BasicBlock blockid instrs) @@ -94,7 +96,7 @@ pprBasicBlock info_env (BasicBlock blockid instrs) maybe_infotable = case mapLookup blockid info_env of Nothing -> empty Just (Statics info_lbl info) -> - pprSectionHeader Text $$ + pprSectionAlign (Section Text info_lbl) $$ vcat (map pprData info) $$ pprLabel info_lbl @@ -320,17 +322,19 @@ pprImm imm -- On SPARC all the data sections must be at least 8 byte aligned -- incase we store doubles in them. -- -pprSectionHeader :: Section -> SDoc -pprSectionHeader seg = case seg of - Text -> text ".text\n\t.align 4" - Data -> text ".data\n\t.align 8" - ReadOnlyData -> text ".text\n\t.align 8" - RelocatableReadOnlyData - -> text ".text\n\t.align 8" - UninitialisedData -> text ".bss\n\t.align 8" - ReadOnlyData16 -> text ".data\n\t.align 16" - OtherSection _ -> panic "PprMach.pprSectionHeader: unknown section" - +pprSectionAlign :: Section -> SDoc +pprSectionAlign sec@(Section seg _) = + sdocWithPlatform $ \platform -> + pprSectionHeader platform sec $$ + ptext (case seg of + Text -> sLit ".align 4" + Data -> sLit ".align 8" + ReadOnlyData -> sLit ".align 8" + RelocatableReadOnlyData + -> sLit ".align 8" + UninitialisedData -> sLit ".align 8" + ReadOnlyData16 -> sLit ".align 16" + OtherSection _ -> panic "PprMach.pprSectionHeader: unknown section") -- | Pretty print a data item. pprDataItem :: CmmLit -> SDoc |