2 % (c) The AQUA Project, Glasgow University, 1996-1998
4 \section[PprMach]{Pretty-printing assembly language}
6 We start with the @pprXXX@s with some cross-platform commonality
7 (e.g., @pprReg@); we conclude with the no-commonality monster,
11 #include "nativeGen/NCG.h"
13 module PprMach ( pprInstr, pprSize, pprUserReg ) where
15 #include "HsVersions.h"
17 import MachRegs -- may differ per-platform
20 import CLabel ( pprCLabel_asm, externallyVisibleCLabel, labelDynamic )
21 import Stix ( CodeSegment(..), StixTree(..) )
22 import Char ( isPrint, isDigit )
27 import Char ( chr, ord )
30 %************************************************************************
32 \subsection{@pprReg@: print a @Reg@}
34 %************************************************************************
36 For x86, the way we print a register name depends
37 on which bit of it we care about. Yurgh.
39 pprUserReg:: Reg -> SDoc
40 pprUserReg = pprReg IF_ARCH_i386(L,)
43 pprReg :: IF_ARCH_i386(Size ->,) Reg -> SDoc
45 pprReg IF_ARCH_i386(s,) r
47 RealReg (I# i) -> ppr_reg_no IF_ARCH_i386(s,) i
48 VirtualRegI u -> text "%vI_" <> ppr u
49 VirtualRegF u -> text "%vF_" <> ppr u
52 ppr_reg_no :: FAST_REG_NO -> SDoc
55 ILIT( 0) -> SLIT("$0"); ILIT( 1) -> SLIT("$1");
56 ILIT( 2) -> SLIT("$2"); ILIT( 3) -> SLIT("$3");
57 ILIT( 4) -> SLIT("$4"); ILIT( 5) -> SLIT("$5");
58 ILIT( 6) -> SLIT("$6"); ILIT( 7) -> SLIT("$7");
59 ILIT( 8) -> SLIT("$8"); ILIT( 9) -> SLIT("$9");
60 ILIT(10) -> SLIT("$10"); ILIT(11) -> SLIT("$11");
61 ILIT(12) -> SLIT("$12"); ILIT(13) -> SLIT("$13");
62 ILIT(14) -> SLIT("$14"); ILIT(15) -> SLIT("$15");
63 ILIT(16) -> SLIT("$16"); ILIT(17) -> SLIT("$17");
64 ILIT(18) -> SLIT("$18"); ILIT(19) -> SLIT("$19");
65 ILIT(20) -> SLIT("$20"); ILIT(21) -> SLIT("$21");
66 ILIT(22) -> SLIT("$22"); ILIT(23) -> SLIT("$23");
67 ILIT(24) -> SLIT("$24"); ILIT(25) -> SLIT("$25");
68 ILIT(26) -> SLIT("$26"); ILIT(27) -> SLIT("$27");
69 ILIT(28) -> SLIT("$28"); ILIT(29) -> SLIT("$29");
70 ILIT(30) -> SLIT("$30"); ILIT(31) -> SLIT("$31");
71 ILIT(32) -> SLIT("$f0"); ILIT(33) -> SLIT("$f1");
72 ILIT(34) -> SLIT("$f2"); ILIT(35) -> SLIT("$f3");
73 ILIT(36) -> SLIT("$f4"); ILIT(37) -> SLIT("$f5");
74 ILIT(38) -> SLIT("$f6"); ILIT(39) -> SLIT("$f7");
75 ILIT(40) -> SLIT("$f8"); ILIT(41) -> SLIT("$f9");
76 ILIT(42) -> SLIT("$f10"); ILIT(43) -> SLIT("$f11");
77 ILIT(44) -> SLIT("$f12"); ILIT(45) -> SLIT("$f13");
78 ILIT(46) -> SLIT("$f14"); ILIT(47) -> SLIT("$f15");
79 ILIT(48) -> SLIT("$f16"); ILIT(49) -> SLIT("$f17");
80 ILIT(50) -> SLIT("$f18"); ILIT(51) -> SLIT("$f19");
81 ILIT(52) -> SLIT("$f20"); ILIT(53) -> SLIT("$f21");
82 ILIT(54) -> SLIT("$f22"); ILIT(55) -> SLIT("$f23");
83 ILIT(56) -> SLIT("$f24"); ILIT(57) -> SLIT("$f25");
84 ILIT(58) -> SLIT("$f26"); ILIT(59) -> SLIT("$f27");
85 ILIT(60) -> SLIT("$f28"); ILIT(61) -> SLIT("$f29");
86 ILIT(62) -> SLIT("$f30"); ILIT(63) -> SLIT("$f31");
87 _ -> SLIT("very naughty alpha register")
91 ppr_reg_no :: Size -> FAST_REG_NO -> SDoc
94 ILIT( 0) -> SLIT("%al"); ILIT( 1) -> SLIT("%bl");
95 ILIT( 2) -> SLIT("%cl"); ILIT( 3) -> SLIT("%dl");
96 _ -> SLIT("very naughty I386 byte register")
99 ppr_reg_no _ i = ptext
101 ILIT( 0) -> SLIT("%eax"); ILIT( 1) -> SLIT("%ebx");
102 ILIT( 2) -> SLIT("%ecx"); ILIT( 3) -> SLIT("%edx");
103 ILIT( 4) -> SLIT("%esi"); ILIT( 5) -> SLIT("%edi");
104 ILIT( 6) -> SLIT("%ebp"); ILIT( 7) -> SLIT("%esp");
105 ILIT( 8) -> SLIT("%fake0"); ILIT( 9) -> SLIT("%fake1");
106 ILIT(10) -> SLIT("%fake2"); ILIT(11) -> SLIT("%fake3");
107 ILIT(12) -> SLIT("%fake4"); ILIT(13) -> SLIT("%fake5");
108 _ -> SLIT("very naughty I386 register")
111 #if sparc_TARGET_ARCH
112 ppr_reg_no :: FAST_REG_NO -> SDoc
115 ILIT( 0) -> SLIT("%g0"); ILIT( 1) -> SLIT("%g1");
116 ILIT( 2) -> SLIT("%g2"); ILIT( 3) -> SLIT("%g3");
117 ILIT( 4) -> SLIT("%g4"); ILIT( 5) -> SLIT("%g5");
118 ILIT( 6) -> SLIT("%g6"); ILIT( 7) -> SLIT("%g7");
119 ILIT( 8) -> SLIT("%o0"); ILIT( 9) -> SLIT("%o1");
120 ILIT(10) -> SLIT("%o2"); ILIT(11) -> SLIT("%o3");
121 ILIT(12) -> SLIT("%o4"); ILIT(13) -> SLIT("%o5");
122 ILIT(14) -> SLIT("%o6"); ILIT(15) -> SLIT("%o7");
123 ILIT(16) -> SLIT("%l0"); ILIT(17) -> SLIT("%l1");
124 ILIT(18) -> SLIT("%l2"); ILIT(19) -> SLIT("%l3");
125 ILIT(20) -> SLIT("%l4"); ILIT(21) -> SLIT("%l5");
126 ILIT(22) -> SLIT("%l6"); ILIT(23) -> SLIT("%l7");
127 ILIT(24) -> SLIT("%i0"); ILIT(25) -> SLIT("%i1");
128 ILIT(26) -> SLIT("%i2"); ILIT(27) -> SLIT("%i3");
129 ILIT(28) -> SLIT("%i4"); ILIT(29) -> SLIT("%i5");
130 ILIT(30) -> SLIT("%i6"); ILIT(31) -> SLIT("%i7");
131 ILIT(32) -> SLIT("%f0"); ILIT(33) -> SLIT("%f1");
132 ILIT(34) -> SLIT("%f2"); ILIT(35) -> SLIT("%f3");
133 ILIT(36) -> SLIT("%f4"); ILIT(37) -> SLIT("%f5");
134 ILIT(38) -> SLIT("%f6"); ILIT(39) -> SLIT("%f7");
135 ILIT(40) -> SLIT("%f8"); ILIT(41) -> SLIT("%f9");
136 ILIT(42) -> SLIT("%f10"); ILIT(43) -> SLIT("%f11");
137 ILIT(44) -> SLIT("%f12"); ILIT(45) -> SLIT("%f13");
138 ILIT(46) -> SLIT("%f14"); ILIT(47) -> SLIT("%f15");
139 ILIT(48) -> SLIT("%f16"); ILIT(49) -> SLIT("%f17");
140 ILIT(50) -> SLIT("%f18"); ILIT(51) -> SLIT("%f19");
141 ILIT(52) -> SLIT("%f20"); ILIT(53) -> SLIT("%f21");
142 ILIT(54) -> SLIT("%f22"); ILIT(55) -> SLIT("%f23");
143 ILIT(56) -> SLIT("%f24"); ILIT(57) -> SLIT("%f25");
144 ILIT(58) -> SLIT("%f26"); ILIT(59) -> SLIT("%f27");
145 ILIT(60) -> SLIT("%f28"); ILIT(61) -> SLIT("%f29");
146 ILIT(62) -> SLIT("%f30"); ILIT(63) -> SLIT("%f31");
147 _ -> SLIT("very naughty sparc register")
152 %************************************************************************
154 \subsection{@pprSize@: print a @Size@}
156 %************************************************************************
159 pprSize :: Size -> SDoc
161 pprSize x = ptext (case x of
162 #if alpha_TARGET_ARCH
165 -- W -> SLIT("w") UNUSED
166 -- WU -> SLIT("wu") UNUSED
167 -- L -> SLIT("l") UNUSED
169 -- FF -> SLIT("f") UNUSED
170 -- DF -> SLIT("d") UNUSED
171 -- GF -> SLIT("g") UNUSED
172 -- SF -> SLIT("s") UNUSED
177 -- HB -> SLIT("b") UNUSED
178 -- S -> SLIT("w") UNUSED
184 #if sparc_TARGET_ARCH
187 -- HW -> SLIT("hw") UNUSED
188 -- HWU -> SLIT("uhw") UNUSED
191 -- D -> SLIT("d") UNUSED
194 pprStSize :: Size -> SDoc
195 pprStSize x = ptext (case x of
198 -- HW -> SLIT("hw") UNUSED
199 -- HWU -> SLIT("uhw") UNUSED
202 -- D -> SLIT("d") UNUSED
208 %************************************************************************
210 \subsection{@pprCond@: print a @Cond@}
212 %************************************************************************
215 pprCond :: Cond -> SDoc
217 pprCond c = ptext (case c of {
218 #if alpha_TARGET_ARCH
229 GEU -> SLIT("ae"); LU -> SLIT("b");
230 EQQ -> SLIT("e"); GTT -> SLIT("g");
231 GE -> SLIT("ge"); GU -> SLIT("a");
232 LTT -> SLIT("l"); LE -> SLIT("le");
233 LEU -> SLIT("be"); NE -> SLIT("ne");
234 NEG -> SLIT("s"); POS -> SLIT("ns");
235 ALWAYS -> SLIT("mp") -- hack
237 #if sparc_TARGET_ARCH
238 ALWAYS -> SLIT(""); NEVER -> SLIT("n");
239 GEU -> SLIT("geu"); LU -> SLIT("lu");
240 EQQ -> SLIT("e"); GTT -> SLIT("g");
241 GE -> SLIT("ge"); GU -> SLIT("gu");
242 LTT -> SLIT("l"); LE -> SLIT("le");
243 LEU -> SLIT("leu"); NE -> SLIT("ne");
244 NEG -> SLIT("neg"); POS -> SLIT("pos");
245 VC -> SLIT("vc"); VS -> SLIT("vs")
250 %************************************************************************
252 \subsection{@pprImm@: print an @Imm@}
254 %************************************************************************
257 pprImm :: Imm -> SDoc
259 pprImm (ImmInt i) = int i
260 pprImm (ImmInteger i) = integer i
261 pprImm (ImmCLbl l) = (if labelDynamic l then text "__imp_" else empty)
263 pprImm (ImmIndex l i) = (if labelDynamic l then text "__imp_" else empty)
264 <> pprCLabel_asm l <> char '+' <> int i
265 pprImm (ImmLit s) = s
267 pprImm (ImmLab dll s) = (if underscorePrefix then char '_' else empty)
268 <> (if dll then text "_imp__" else empty)
271 #if sparc_TARGET_ARCH
273 = hcat [ pp_lo, pprImm i, rparen ]
278 = hcat [ pp_hi, pprImm i, rparen ]
284 %************************************************************************
286 \subsection{@pprAddr@: print an @Addr@}
288 %************************************************************************
291 pprAddr :: MachRegsAddr -> SDoc
293 #if alpha_TARGET_ARCH
294 pprAddr (AddrReg r) = parens (pprReg r)
295 pprAddr (AddrImm i) = pprImm i
296 pprAddr (AddrRegImm r1 i)
297 = (<>) (pprImm i) (parens (pprReg r1))
303 pprAddr (ImmAddr imm off)
304 = let pp_imm = pprImm imm
308 else if (off < 0) then
311 pp_imm <> char '+' <> int off
313 pprAddr (AddrBaseIndex base index displacement)
315 pp_disp = ppr_disp displacement
316 pp_off p = pp_disp <> char '(' <> p <> char ')'
317 pp_reg r = pprReg L r
320 (Nothing, Nothing) -> pp_disp
321 (Just b, Nothing) -> pp_off (pp_reg b)
322 (Nothing, Just (r,i)) -> pp_off (pp_reg r <> comma <> int i)
323 (Just b, Just (r,i)) -> pp_off (pp_reg b <> comma <> pp_reg r
326 ppr_disp (ImmInt 0) = empty
327 ppr_disp imm = pprImm imm
332 #if sparc_TARGET_ARCH
333 pprAddr (AddrRegReg r1 (RealReg 0)) = pprReg r1
335 pprAddr (AddrRegReg r1 r2)
336 = hcat [ pprReg r1, char '+', pprReg r2 ]
338 pprAddr (AddrRegImm r1 (ImmInt i))
340 | not (fits13Bits i) = largeOffsetError i
341 | otherwise = hcat [ pprReg r1, pp_sign, int i ]
343 pp_sign = if i > 0 then char '+' else empty
345 pprAddr (AddrRegImm r1 (ImmInteger i))
347 | not (fits13Bits i) = largeOffsetError i
348 | otherwise = hcat [ pprReg r1, pp_sign, integer i ]
350 pp_sign = if i > 0 then char '+' else empty
352 pprAddr (AddrRegImm r1 imm)
353 = hcat [ pprReg r1, char '+', pprImm imm ]
357 %************************************************************************
359 \subsection{@pprInstr@: print an @Instr@}
361 %************************************************************************
364 pprInstr :: Instr -> SDoc
366 --pprInstr (COMMENT s) = empty -- nuke 'em
368 = IF_ARCH_alpha( ((<>) (ptext SLIT("\t# ")) (ptext s))
369 ,IF_ARCH_sparc( ((<>) (ptext SLIT("! ")) (ptext s))
370 ,IF_ARCH_i386( ((<>) (ptext SLIT("# ")) (ptext s))
374 = pprInstr (COMMENT (_PK_ ("\tdelta = " ++ show d)))
376 pprInstr (SEGMENT TextSegment)
377 = IF_ARCH_alpha(ptext SLIT("\t.text\n\t.align 3") {-word boundary-}
378 ,IF_ARCH_sparc(ptext SLIT(".text\n\t.align 4") {-word boundary-}
379 ,IF_ARCH_i386((text ".text\n\t.align 4,0x90") {-needs per-OS variation!-}
382 pprInstr (SEGMENT DataSegment)
384 IF_ARCH_alpha(SLIT("\t.data\n\t.align 3")
385 ,IF_ARCH_sparc(SLIT(".data\n\t.align 8") {-<8 will break double constants -}
386 ,IF_ARCH_i386(SLIT(".data\n\t.align 4")
389 pprInstr (LABEL clab)
391 pp_lab = pprCLabel_asm clab
394 if not (externallyVisibleCLabel clab) then
398 IF_ARCH_alpha(SLIT("\t.globl\t")
399 ,IF_ARCH_i386(SLIT(".globl ")
400 ,IF_ARCH_sparc(SLIT(".global\t")
402 , pp_lab, char '\n'],
407 pprInstr (ASCII False{-no backslash conversion-} str)
408 = hcat [ ptext SLIT("\t.asciz "), char '\"', text str, char '"' ]
410 pprInstr (ASCII True str)
412 -- The Solaris assembler doesn't understand \x escapes in
416 asciify :: String -> SDoc
417 asciify "" = text "\t.ascii \"\\0\""
419 = let fst = take 16 str
421 this = text ("\t.ascii \""
422 ++ concat (map asciify_char fst)
424 in this $$ asciify rest
425 asciify_char :: Char -> String
426 asciify_char c = '\\' : 'x' : hshow (ord c)
428 = vcat (map do1 (str ++ [chr 0]))
431 do1 c = text "\t.byte\t0x" <> text (hshow (ord c))
433 hshow :: Int -> String
434 hshow n | n >= 0 && n <= 255
435 = [ tab !! (n `div` 16), tab !! (n `mod` 16)]
436 tab = "0123456789ABCDEF"
440 = vcat (concatMap (ppr_item s) xs)
443 #if alpha_TARGET_ARCH
444 ppr_item = error "ppr_item on Alpha"
446 #if sparc_TARGET_ARCH
447 -- copy n paste of x86 version
448 ppr_item B x = [text "\t.byte\t" <> pprImm x]
449 ppr_item W x = [text "\t.long\t" <> pprImm x]
450 ppr_item F (ImmFloat r)
451 = let bs = floatToBytes (fromRational r)
452 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
453 ppr_item DF (ImmDouble r)
454 = let bs = doubleToBytes (fromRational r)
455 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
458 ppr_item B x = [text "\t.byte\t" <> pprImm x]
459 ppr_item L x = [text "\t.long\t" <> pprImm x]
460 ppr_item F (ImmFloat r)
461 = let bs = floatToBytes (fromRational r)
462 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
463 ppr_item DF (ImmDouble r)
464 = let bs = doubleToBytes (fromRational r)
465 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
468 -- floatToBytes and doubleToBytes convert to the host's byte
469 -- order. Providing that we're not cross-compiling for a
470 -- target with the opposite endianness, this should work ok
472 floatToBytes :: Float -> [Int]
475 arr <- newFloatArray ((0::Int),3)
476 writeFloatArray arr 0 f
477 i0 <- readCharArray arr 0
478 i1 <- readCharArray arr 1
479 i2 <- readCharArray arr 2
480 i3 <- readCharArray arr 3
481 return (map ord [i0,i1,i2,i3])
484 doubleToBytes :: Double -> [Int]
487 arr <- newDoubleArray ((0::Int),7)
488 writeDoubleArray arr 0 d
489 i0 <- readCharArray arr 0
490 i1 <- readCharArray arr 1
491 i2 <- readCharArray arr 2
492 i3 <- readCharArray arr 3
493 i4 <- readCharArray arr 4
494 i5 <- readCharArray arr 5
495 i6 <- readCharArray arr 6
496 i7 <- readCharArray arr 7
497 return (map ord [i0,i1,i2,i3,i4,i5,i6,i7])
500 -- fall through to rest of (machine-specific) pprInstr...
503 %************************************************************************
505 \subsubsection{@pprInstr@ for an Alpha}
507 %************************************************************************
510 #if alpha_TARGET_ARCH
512 pprInstr (LD size reg addr)
522 pprInstr (LDA reg addr)
524 ptext SLIT("\tlda\t"),
530 pprInstr (LDAH reg addr)
532 ptext SLIT("\tldah\t"),
538 pprInstr (LDGP reg addr)
540 ptext SLIT("\tldgp\t"),
546 pprInstr (LDI size reg imm)
556 pprInstr (ST size reg addr)
568 ptext SLIT("\tclr\t"),
572 pprInstr (ABS size ri reg)
582 pprInstr (NEG size ov ri reg)
586 if ov then ptext SLIT("v\t") else char '\t',
592 pprInstr (ADD size ov reg1 ri reg2)
596 if ov then ptext SLIT("v\t") else char '\t',
604 pprInstr (SADD size scale reg1 ri reg2)
606 ptext (case scale of {{-UNUSED:L -> SLIT("\ts4");-} Q -> SLIT("\ts8")}),
617 pprInstr (SUB size ov reg1 ri reg2)
621 if ov then ptext SLIT("v\t") else char '\t',
629 pprInstr (SSUB size scale reg1 ri reg2)
631 ptext (case scale of {{-UNUSED:L -> SLIT("\ts4");-} Q -> SLIT("\ts8")}),
642 pprInstr (MUL size ov reg1 ri reg2)
646 if ov then ptext SLIT("v\t") else char '\t',
654 pprInstr (DIV size uns reg1 ri reg2)
658 if uns then ptext SLIT("u\t") else char '\t',
666 pprInstr (REM size uns reg1 ri reg2)
670 if uns then ptext SLIT("u\t") else char '\t',
678 pprInstr (NOT ri reg)
687 pprInstr (AND reg1 ri reg2) = pprRegRIReg SLIT("and") reg1 ri reg2
688 pprInstr (ANDNOT reg1 ri reg2) = pprRegRIReg SLIT("andnot") reg1 ri reg2
689 pprInstr (OR reg1 ri reg2) = pprRegRIReg SLIT("or") reg1 ri reg2
690 pprInstr (ORNOT reg1 ri reg2) = pprRegRIReg SLIT("ornot") reg1 ri reg2
691 pprInstr (XOR reg1 ri reg2) = pprRegRIReg SLIT("xor") reg1 ri reg2
692 pprInstr (XORNOT reg1 ri reg2) = pprRegRIReg SLIT("xornot") reg1 ri reg2
694 pprInstr (SLL reg1 ri reg2) = pprRegRIReg SLIT("sll") reg1 ri reg2
695 pprInstr (SRL reg1 ri reg2) = pprRegRIReg SLIT("srl") reg1 ri reg2
696 pprInstr (SRA reg1 ri reg2) = pprRegRIReg SLIT("sra") reg1 ri reg2
698 pprInstr (ZAP reg1 ri reg2) = pprRegRIReg SLIT("zap") reg1 ri reg2
699 pprInstr (ZAPNOT reg1 ri reg2) = pprRegRIReg SLIT("zapnot") reg1 ri reg2
701 pprInstr (NOP) = ptext SLIT("\tnop")
703 pprInstr (CMP cond reg1 ri reg2)
717 ptext SLIT("\tfclr\t"),
721 pprInstr (FABS reg1 reg2)
723 ptext SLIT("\tfabs\t"),
729 pprInstr (FNEG size reg1 reg2)
739 pprInstr (FADD size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("add") size reg1 reg2 reg3
740 pprInstr (FDIV size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("div") size reg1 reg2 reg3
741 pprInstr (FMUL size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("mul") size reg1 reg2 reg3
742 pprInstr (FSUB size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("sub") size reg1 reg2 reg3
744 pprInstr (CVTxy size1 size2 reg1 reg2)
748 case size2 of {Q -> ptext SLIT("qc"); _ -> pprSize size2},
755 pprInstr (FCMP size cond reg1 reg2 reg3)
768 pprInstr (FMOV reg1 reg2)
770 ptext SLIT("\tfmov\t"),
776 pprInstr (BI ALWAYS reg lab) = pprInstr (BR lab)
778 pprInstr (BI NEVER reg lab) = empty
780 pprInstr (BI cond reg lab)
790 pprInstr (BF cond reg lab)
801 = (<>) (ptext SLIT("\tbr\t")) (pprImm lab)
803 pprInstr (JMP reg addr hint)
805 ptext SLIT("\tjmp\t"),
814 = (<>) (ptext SLIT("\tbsr\t")) (pprImm imm)
816 pprInstr (JSR reg addr n)
818 ptext SLIT("\tjsr\t"),
824 pprInstr (FUNBEGIN clab)
826 if (externallyVisibleCLabel clab) then
827 hcat [ptext SLIT("\t.globl\t"), pp_lab, char '\n']
830 ptext SLIT("\t.ent "),
839 pp_lab = pprCLabel_asm clab
841 -- NEVER use commas within those string literals, cpp will ruin your day
842 pp_ldgp = hcat [ ptext SLIT(":\n\tldgp $29"), char ',', ptext SLIT("0($27)\n") ]
843 pp_frame = hcat [ ptext SLIT("..ng:\n\t.frame $30"), char ',',
844 ptext SLIT("4240"), char ',',
845 ptext SLIT("$26"), char ',',
846 ptext SLIT("0\n\t.prologue 1") ]
848 pprInstr (FUNEND clab)
849 = (<>) (ptext SLIT("\t.align 4\n\t.end ")) (pprCLabel_asm clab)
852 Continue with Alpha-only printing bits and bobs:
856 pprRI (RIReg r) = pprReg r
857 pprRI (RIImm r) = pprImm r
859 pprRegRIReg :: FAST_STRING -> Reg -> RI -> Reg -> SDoc
861 pprRegRIReg name reg1 ri reg2
873 pprSizeRegRegReg :: FAST_STRING -> Size -> Reg -> Reg -> Reg -> SDoc
875 pprSizeRegRegReg name size reg1 reg2 reg3
888 #endif {-alpha_TARGET_ARCH-}
891 %************************************************************************
893 \subsubsection{@pprInstr@ for an I386}
895 %************************************************************************
900 pprInstr v@(MOV size s@(OpReg src) d@(OpReg dst)) -- hack
903 #if 0 /* #ifdef DEBUG */
904 (<>) (ptext SLIT("# warning: ")) (pprSizeOpOp SLIT("mov") size s d)
908 pprInstr (MOV size src dst)
909 = pprSizeOpOp SLIT("mov") size src dst
910 pprInstr (MOVZxL sizes src dst) = pprSizeOpOpCoerce SLIT("movz") sizes L src dst
911 pprInstr (MOVSxL sizes src dst) = pprSizeOpOpCoerce SLIT("movs") sizes L src dst
913 -- here we do some patching, since the physical registers are only set late
914 -- in the code generation.
915 pprInstr (LEA size (OpAddr (AddrBaseIndex src1@(Just reg1) (Just (reg2,1)) (ImmInt 0))) dst@(OpReg reg3))
917 = pprSizeOpOp SLIT("add") size (OpReg reg2) dst
918 pprInstr (LEA size (OpAddr (AddrBaseIndex src1@(Just reg1) (Just (reg2,1)) (ImmInt 0))) dst@(OpReg reg3))
920 = pprSizeOpOp SLIT("add") size (OpReg reg1) dst
921 pprInstr (LEA size (OpAddr (AddrBaseIndex src1@(Just reg1) Nothing displ)) dst@(OpReg reg3))
923 = pprInstr (ADD size (OpImm displ) dst)
924 pprInstr (LEA size src dst) = pprSizeOpOp SLIT("lea") size src dst
926 pprInstr (ADD size (OpImm (ImmInt (-1))) dst)
927 = pprSizeOp SLIT("dec") size dst
928 pprInstr (ADD size (OpImm (ImmInt 1)) dst)
929 = pprSizeOp SLIT("inc") size dst
930 pprInstr (ADD size src dst)
931 = pprSizeOpOp SLIT("add") size src dst
932 pprInstr (SUB size src dst) = pprSizeOpOp SLIT("sub") size src dst
933 pprInstr (IMUL size op1 op2) = pprSizeOpOp SLIT("imul") size op1 op2
934 pprInstr (IDIV size op) = pprSizeOp SLIT("idiv") size op
936 pprInstr (AND size src dst) = pprSizeOpOp SLIT("and") size src dst
937 pprInstr (OR size src dst) = pprSizeOpOp SLIT("or") size src dst
938 pprInstr (XOR size src dst) = pprSizeOpOp SLIT("xor") size src dst
939 pprInstr (NOT size op) = pprSizeOp SLIT("not") size op
940 pprInstr (NEGI size op) = pprSizeOp SLIT("neg") size op
942 pprInstr (SHL size imm dst) = pprSizeImmOp SLIT("shl") size imm dst
943 pprInstr (SAR size imm dst) = pprSizeImmOp SLIT("sar") size imm dst
944 pprInstr (SHR size imm dst) = pprSizeImmOp SLIT("shr") size imm dst
945 pprInstr (BT size imm src) = pprSizeImmOp SLIT("bt") size imm src
947 pprInstr (CMP size src dst) = pprSizeOpOp SLIT("cmp") size src dst
948 pprInstr (TEST size src dst) = pprSizeOpOp SLIT("test") size src dst
949 pprInstr (PUSH size op) = pprSizeOp SLIT("push") size op
950 pprInstr (POP size op) = pprSizeOp SLIT("pop") size op
951 pprInstr PUSHA = ptext SLIT("\tpushal")
952 pprInstr POPA = ptext SLIT("\tpopal")
954 pprInstr (NOP) = ptext SLIT("\tnop")
955 pprInstr (CLTD) = ptext SLIT("\tcltd")
957 pprInstr (SETCC cond op) = pprCondInstr SLIT("set") cond (pprOperand B op)
959 pprInstr (JXX cond lab) = pprCondInstr SLIT("j") cond (pprCLabel_asm lab)
961 pprInstr (JMP (OpImm imm)) = (<>) (ptext SLIT("\tjmp ")) (pprImm imm)
962 pprInstr (JMP op) = (<>) (ptext SLIT("\tjmp *")) (pprOperand L op)
964 = (<>) (ptext SLIT("\tcall ")) (pprImm imm)
967 -- Simulating a flat register set on the x86 FP stack is tricky.
968 -- you have to free %st(7) before pushing anything on the FP reg stack
969 -- so as to preclude the possibility of a FP stack overflow exception.
970 pprInstr g@(GMOV src dst)
974 = pprG g (hcat [gtab, gpush src 0, gsemi, gpop dst 1])
976 -- GLD sz addr dst ==> FFREE %st(7) ; FLDsz addr ; FSTP (dst+1)
977 pprInstr g@(GLD sz addr dst)
978 = pprG g (hcat [gtab, text "ffree %st(7) ; fld", pprSize sz, gsp,
979 pprAddr addr, gsemi, gpop dst 1])
981 -- GST sz src addr ==> FFREE %st(7) ; FLD dst ; FSTPsz addr
982 pprInstr g@(GST sz src addr)
983 = pprG g (hcat [gtab, gpush src 0, gsemi,
984 text "fstp", pprSize sz, gsp, pprAddr addr])
986 pprInstr g@(GLDZ dst)
987 = pprG g (hcat [gtab, text "ffree %st(7) ; fldz ; ", gpop dst 1])
988 pprInstr g@(GLD1 dst)
989 = pprG g (hcat [gtab, text "ffree %st(7) ; fld1 ; ", gpop dst 1])
991 pprInstr g@(GFTOD src dst)
993 pprInstr g@(GFTOI src dst)
996 pprInstr g@(GDTOF src dst)
998 pprInstr g@(GDTOI src dst)
1001 pprInstr g@(GITOF src dst)
1002 = pprInstr (GITOD src dst)
1003 pprInstr g@(GITOD src dst)
1004 = pprG g (hcat [gtab, text "pushl ", pprReg L src,
1005 text " ; ffree %st(7); fildl (%esp) ; ",
1006 gpop dst 1, text " ; addl $4,%esp"])
1008 pprInstr g@(GCMP sz src1 src2)
1009 = pprG g (hcat [gtab, text "pushl %eax ; ",gpush src1 0]
1011 hcat [gtab, text "fcomp ", greg src2 1,
1012 text "; fstsw %ax ; sahf ; popl %eax"])
1014 pprInstr g@(GABS sz src dst)
1015 = pprG g (hcat [gtab, gpush src 0, text " ; fabs ; ", gpop dst 1])
1016 pprInstr g@(GNEG sz src dst)
1017 = pprG g (hcat [gtab, gpush src 0, text " ; fchs ; ", gpop dst 1])
1019 pprInstr g@(GSQRT sz src dst)
1020 = pprG g (hcat [gtab, gpush src 0, text " ; fsqrt"] $$
1021 hcat [gtab, gcoerceto sz, gpop dst 1])
1022 pprInstr g@(GSIN sz src dst)
1023 = pprG g (hcat [gtab, gpush src 0, text " ; fsin"] $$
1024 hcat [gtab, gcoerceto sz, gpop dst 1])
1025 pprInstr g@(GCOS sz src dst)
1026 = pprG g (hcat [gtab, gpush src 0, text " ; fcos"] $$
1027 hcat [gtab, gcoerceto sz, gpop dst 1])
1028 pprInstr g@(GTAN sz src dst)
1029 = pprG g (hcat [gtab, text "ffree %st(6) ; ",
1030 gpush src 0, text " ; fptan ; ",
1031 text " fstp %st(0)"] $$
1032 hcat [gtab, gcoerceto sz, gpop dst 1])
1034 -- In the translations for GADD, GMUL, GSUB and GDIV,
1035 -- the first two cases are mere optimisations. The otherwise clause
1036 -- generates correct code under all circumstances.
1038 pprInstr g@(GADD sz src1 src2 dst)
1040 = pprG g (text "\t#GADD-xxxcase1" $$
1041 hcat [gtab, gpush src2 0,
1042 text " ; faddp %st(0),", greg src1 1])
1044 = pprG g (text "\t#GADD-xxxcase2" $$
1045 hcat [gtab, gpush src1 0,
1046 text " ; faddp %st(0),", greg src2 1])
1048 = pprG g (hcat [gtab, gpush src1 0,
1049 text " ; fadd ", greg src2 1, text ",%st(0)",
1053 pprInstr g@(GMUL sz src1 src2 dst)
1055 = pprG g (text "\t#GMUL-xxxcase1" $$
1056 hcat [gtab, gpush src2 0,
1057 text " ; fmulp %st(0),", greg src1 1])
1059 = pprG g (text "\t#GMUL-xxxcase2" $$
1060 hcat [gtab, gpush src1 0,
1061 text " ; fmulp %st(0),", greg src2 1])
1063 = pprG g (hcat [gtab, gpush src1 0,
1064 text " ; fmul ", greg src2 1, text ",%st(0)",
1068 pprInstr g@(GSUB sz src1 src2 dst)
1070 = pprG g (text "\t#GSUB-xxxcase1" $$
1071 hcat [gtab, gpush src2 0,
1072 text " ; fsubrp %st(0),", greg src1 1])
1074 = pprG g (text "\t#GSUB-xxxcase2" $$
1075 hcat [gtab, gpush src1 0,
1076 text " ; fsubp %st(0),", greg src2 1])
1078 = pprG g (hcat [gtab, gpush src1 0,
1079 text " ; fsub ", greg src2 1, text ",%st(0)",
1083 pprInstr g@(GDIV sz src1 src2 dst)
1085 = pprG g (text "\t#GDIV-xxxcase1" $$
1086 hcat [gtab, gpush src2 0,
1087 text " ; fdivrp %st(0),", greg src1 1])
1089 = pprG g (text "\t#GDIV-xxxcase2" $$
1090 hcat [gtab, gpush src1 0,
1091 text " ; fdivp %st(0),", greg src2 1])
1093 = pprG g (hcat [gtab, gpush src1 0,
1094 text " ; fdiv ", greg src2 1, text ",%st(0)",
1099 = vcat [ ptext SLIT("\tffree %st(0) ;ffree %st(1) ;ffree %st(2) ;ffree %st(3)"),
1100 ptext SLIT("\tffree %st(4) ;ffree %st(5) ;ffree %st(6) ;ffree %st(7)")
1103 --------------------------
1105 -- coerce %st(0) to the specified size
1106 gcoerceto DF = empty
1107 gcoerceto F = text "subl $4,%esp ; fstps (%esp) ; flds (%esp) ; addl $4,%esp ; "
1110 = hcat [text "ffree %st(7) ; fld ", greg reg offset]
1112 = hcat [text "fstp ", greg reg offset]
1114 bogus = text "\tbogus"
1115 greg reg offset = text "%st(" <> int (gregno reg - 8+offset) <> char ')'
1120 gregno (RealReg i) = i
1121 gregno other = --pprPanic "gregno" (ppr other)
1122 999 -- bogus; only needed for debug printing
1124 pprG :: Instr -> SDoc -> SDoc
1126 = (char '#' <> pprGInstr fake) $$ actual
1128 pprGInstr (GMOV src dst) = pprSizeRegReg SLIT("gmov") DF src dst
1129 pprGInstr (GLD sz src dst) = pprSizeAddrReg SLIT("gld") sz src dst
1130 pprGInstr (GST sz src dst) = pprSizeRegAddr SLIT("gst") sz src dst
1132 pprGInstr (GLDZ dst) = pprSizeReg SLIT("gldz") DF dst
1133 pprGInstr (GLD1 dst) = pprSizeReg SLIT("gld1") DF dst
1135 pprGInstr (GFTOD src dst) = pprSizeSizeRegReg SLIT("gftod") F DF src dst
1136 pprGInstr (GFTOI src dst) = pprSizeSizeRegReg SLIT("gftoi") F L src dst
1138 pprGInstr (GDTOF src dst) = pprSizeSizeRegReg SLIT("gdtof") DF F src dst
1139 pprGInstr (GDTOI src dst) = pprSizeSizeRegReg SLIT("gdtoi") DF L src dst
1141 pprGInstr (GITOF src dst) = pprSizeSizeRegReg SLIT("gitof") L F src dst
1142 pprGInstr (GITOD src dst) = pprSizeSizeRegReg SLIT("gitod") L DF src dst
1144 pprGInstr (GCMP sz src dst) = pprSizeRegReg SLIT("gcmp") sz src dst
1145 pprGInstr (GABS sz src dst) = pprSizeRegReg SLIT("gabs") sz src dst
1146 pprGInstr (GNEG sz src dst) = pprSizeRegReg SLIT("gneg") sz src dst
1147 pprGInstr (GSQRT sz src dst) = pprSizeRegReg SLIT("gsqrt") sz src dst
1148 pprGInstr (GSIN sz src dst) = pprSizeRegReg SLIT("gsin") sz src dst
1149 pprGInstr (GCOS sz src dst) = pprSizeRegReg SLIT("gcos") sz src dst
1150 pprGInstr (GTAN sz src dst) = pprSizeRegReg SLIT("gtan") sz src dst
1152 pprGInstr (GADD sz src1 src2 dst) = pprSizeRegRegReg SLIT("gadd") sz src1 src2 dst
1153 pprGInstr (GSUB sz src1 src2 dst) = pprSizeRegRegReg SLIT("gsub") sz src1 src2 dst
1154 pprGInstr (GMUL sz src1 src2 dst) = pprSizeRegRegReg SLIT("gmul") sz src1 src2 dst
1155 pprGInstr (GDIV sz src1 src2 dst) = pprSizeRegRegReg SLIT("gdiv") sz src1 src2 dst
1158 Continue with I386-only printing bits and bobs:
1160 pprDollImm :: Imm -> SDoc
1162 pprDollImm i = ptext SLIT("$") <> pprImm i
1164 pprOperand :: Size -> Operand -> SDoc
1165 pprOperand s (OpReg r) = pprReg s r
1166 pprOperand s (OpImm i) = pprDollImm i
1167 pprOperand s (OpAddr ea) = pprAddr ea
1169 pprSizeImmOp :: FAST_STRING -> Size -> Imm -> Operand -> SDoc
1170 pprSizeImmOp name size imm op1
1182 pprSizeOp :: FAST_STRING -> Size -> Operand -> SDoc
1183 pprSizeOp name size op1
1192 pprSizeOpOp :: FAST_STRING -> Size -> Operand -> Operand -> SDoc
1193 pprSizeOpOp name size op1 op2
1199 pprOperand size op1,
1204 pprSizeByteOpOp :: FAST_STRING -> Size -> Operand -> Operand -> SDoc
1205 pprSizeByteOpOp name size op1 op2
1216 pprSizeOpReg :: FAST_STRING -> Size -> Operand -> Reg -> SDoc
1217 pprSizeOpReg name size op1 reg
1223 pprOperand size op1,
1228 pprSizeReg :: FAST_STRING -> Size -> Reg -> SDoc
1229 pprSizeReg name size reg1
1238 pprSizeRegReg :: FAST_STRING -> Size -> Reg -> Reg -> SDoc
1239 pprSizeRegReg name size reg1 reg2
1250 pprSizeSizeRegReg :: FAST_STRING -> Size -> Size -> Reg -> Reg -> SDoc
1251 pprSizeSizeRegReg name size1 size2 reg1 reg2
1263 pprSizeRegRegReg :: FAST_STRING -> Size -> Reg -> Reg -> Reg -> SDoc
1264 pprSizeRegRegReg name size reg1 reg2 reg3
1277 pprSizeAddr :: FAST_STRING -> Size -> MachRegsAddr -> SDoc
1278 pprSizeAddr name size op
1287 pprSizeAddrReg :: FAST_STRING -> Size -> MachRegsAddr -> Reg -> SDoc
1288 pprSizeAddrReg name size op dst
1299 pprSizeRegAddr :: FAST_STRING -> Size -> Reg -> MachRegsAddr -> SDoc
1300 pprSizeRegAddr name size src op
1311 pprOpOp :: FAST_STRING -> Size -> Operand -> Operand -> SDoc
1312 pprOpOp name size op1 op2
1316 pprOperand size op1,
1321 pprSizeOpOpCoerce :: FAST_STRING -> Size -> Size -> Operand -> Operand -> SDoc
1322 pprSizeOpOpCoerce name size1 size2 op1 op2
1323 = hcat [ char '\t', ptext name, pprSize size1, pprSize size2, space,
1324 pprOperand size1 op1,
1326 pprOperand size2 op2
1329 pprCondInstr :: FAST_STRING -> Cond -> SDoc -> SDoc
1330 pprCondInstr name cond arg
1331 = hcat [ char '\t', ptext name, pprCond cond, space, arg]
1333 #endif {-i386_TARGET_ARCH-}
1336 %************************************************************************
1338 \subsubsection{@pprInstr@ for a SPARC}
1340 %************************************************************************
1343 #if sparc_TARGET_ARCH
1345 -- a clumsy hack for now, to handle possible double alignment problems
1347 -- even clumsier, to allow for RegReg regs that show when doing indexed
1348 -- reads (bytearrays).
1351 -- Translate to the following:
1354 -- ld [g1+4],%f(n+1)
1355 -- sub g1,g2,g1 -- to restore g1
1356 pprInstr (LD DF (AddrRegReg g1 g2) reg)
1358 hcat [ptext SLIT("\tadd\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1],
1359 hcat [pp_ld_lbracket, pprReg g1, pp_rbracket_comma, pprReg reg],
1360 hcat [pp_ld_lbracket, pprReg g1, ptext SLIT("+4]"), comma, pprReg (fPair reg)],
1361 hcat [ptext SLIT("\tsub\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1]
1366 -- ld [addr+4],%f(n+1)
1367 pprInstr (LD DF addr reg) | maybeToBool off_addr
1369 hcat [pp_ld_lbracket, pprAddr addr, pp_rbracket_comma, pprReg reg],
1370 hcat [pp_ld_lbracket, pprAddr addr2, pp_rbracket_comma,pprReg (fPair reg)]
1373 off_addr = addrOffset addr 4
1374 addr2 = case off_addr of Just x -> x
1377 pprInstr (LD size addr reg)
1388 -- The same clumsy hack as above
1390 -- Translate to the following:
1393 -- st %f(n+1),[g1+4]
1394 -- sub g1,g2,g1 -- to restore g1
1395 pprInstr (ST DF reg (AddrRegReg g1 g2))
1397 hcat [ptext SLIT("\tadd\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1],
1398 hcat [ptext SLIT("\tst\t"), pprReg reg, pp_comma_lbracket,
1400 hcat [ptext SLIT("\tst\t"), pprReg (fPair reg), pp_comma_lbracket,
1401 pprReg g1, ptext SLIT("+4]")],
1402 hcat [ptext SLIT("\tsub\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1]
1407 -- st %f(n+1),[addr+4]
1408 pprInstr (ST DF reg addr) | maybeToBool off_addr
1410 hcat [ptext SLIT("\tst\t"), pprReg reg, pp_comma_lbracket,
1411 pprAddr addr, rbrack],
1412 hcat [ptext SLIT("\tst\t"), pprReg (fPair reg), pp_comma_lbracket,
1413 pprAddr addr2, rbrack]
1416 off_addr = addrOffset addr 4
1417 addr2 = case off_addr of Just x -> x
1419 -- no distinction is made between signed and unsigned bytes on stores for the
1420 -- Sparc opcodes (at least I cannot see any, and gas is nagging me --SOF),
1421 -- so we call a special-purpose pprSize for ST..
1423 pprInstr (ST size reg addr)
1434 pprInstr (ADD x cc reg1 ri reg2)
1435 | not x && not cc && riZero ri
1436 = hcat [ ptext SLIT("\tmov\t"), pprReg reg1, comma, pprReg reg2 ]
1438 = pprRegRIReg (if x then SLIT("addx") else SLIT("add")) cc reg1 ri reg2
1440 pprInstr (SUB x cc reg1 ri reg2)
1441 | not x && cc && reg2 == g0
1442 = hcat [ ptext SLIT("\tcmp\t"), pprReg reg1, comma, pprRI ri ]
1443 | not x && not cc && riZero ri
1444 = hcat [ ptext SLIT("\tmov\t"), pprReg reg1, comma, pprReg reg2 ]
1446 = pprRegRIReg (if x then SLIT("subx") else SLIT("sub")) cc reg1 ri reg2
1448 pprInstr (AND b reg1 ri reg2) = pprRegRIReg SLIT("and") b reg1 ri reg2
1449 pprInstr (ANDN b reg1 ri reg2) = pprRegRIReg SLIT("andn") b reg1 ri reg2
1451 pprInstr (OR b reg1 ri reg2)
1452 | not b && reg1 == g0
1453 = hcat [ ptext SLIT("\tmov\t"), pprRI ri, comma, pprReg reg2 ]
1455 = pprRegRIReg SLIT("or") b reg1 ri reg2
1457 pprInstr (ORN b reg1 ri reg2) = pprRegRIReg SLIT("orn") b reg1 ri reg2
1459 pprInstr (XOR b reg1 ri reg2) = pprRegRIReg SLIT("xor") b reg1 ri reg2
1460 pprInstr (XNOR b reg1 ri reg2) = pprRegRIReg SLIT("xnor") b reg1 ri reg2
1462 pprInstr (SLL reg1 ri reg2) = pprRegRIReg SLIT("sll") False reg1 ri reg2
1463 pprInstr (SRL reg1 ri reg2) = pprRegRIReg SLIT("srl") False reg1 ri reg2
1464 pprInstr (SRA reg1 ri reg2) = pprRegRIReg SLIT("sra") False reg1 ri reg2
1466 pprInstr (SETHI imm reg)
1468 ptext SLIT("\tsethi\t"),
1474 pprInstr NOP = ptext SLIT("\tnop")
1476 pprInstr (FABS F reg1 reg2) = pprSizeRegReg SLIT("fabs") F reg1 reg2
1477 pprInstr (FABS DF reg1 reg2)
1478 = (<>) (pprSizeRegReg SLIT("fabs") F reg1 reg2)
1479 (if (reg1 == reg2) then empty
1480 else (<>) (char '\n')
1481 (pprSizeRegReg SLIT("fmov") F (fPair reg1) (fPair reg2)))
1483 pprInstr (FADD size reg1 reg2 reg3)
1484 = pprSizeRegRegReg SLIT("fadd") size reg1 reg2 reg3
1485 pprInstr (FCMP e size reg1 reg2)
1486 = pprSizeRegReg (if e then SLIT("fcmpe") else SLIT("fcmp")) size reg1 reg2
1487 pprInstr (FDIV size reg1 reg2 reg3)
1488 = pprSizeRegRegReg SLIT("fdiv") size reg1 reg2 reg3
1490 pprInstr (FMOV F reg1 reg2) = pprSizeRegReg SLIT("fmov") F reg1 reg2
1491 pprInstr (FMOV DF reg1 reg2)
1492 = (<>) (pprSizeRegReg SLIT("fmov") F reg1 reg2)
1493 (if (reg1 == reg2) then empty
1494 else (<>) (char '\n')
1495 (pprSizeRegReg SLIT("fmov") F (fPair reg1) (fPair reg2)))
1497 pprInstr (FMUL size reg1 reg2 reg3)
1498 = pprSizeRegRegReg SLIT("fmul") size reg1 reg2 reg3
1500 pprInstr (FNEG F reg1 reg2) = pprSizeRegReg SLIT("fneg") F reg1 reg2
1501 pprInstr (FNEG DF reg1 reg2)
1502 = (<>) (pprSizeRegReg SLIT("fneg") F reg1 reg2)
1503 (if (reg1 == reg2) then empty
1504 else (<>) (char '\n')
1505 (pprSizeRegReg SLIT("fmov") F (fPair reg1) (fPair reg2)))
1507 pprInstr (FSQRT size reg1 reg2) = pprSizeRegReg SLIT("fsqrt") size reg1 reg2
1508 pprInstr (FSUB size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("fsub") size reg1 reg2 reg3
1509 pprInstr (FxTOy size1 size2 reg1 reg2)
1522 pprReg reg1, comma, pprReg reg2
1526 pprInstr (BI cond b lab)
1528 ptext SLIT("\tb"), pprCond cond,
1529 if b then pp_comma_a else empty,
1534 pprInstr (BF cond b lab)
1536 ptext SLIT("\tfb"), pprCond cond,
1537 if b then pp_comma_a else empty,
1542 pprInstr (JMP addr) = (<>) (ptext SLIT("\tjmp\t")) (pprAddr addr)
1544 pprInstr (CALL imm n _)
1545 = hcat [ ptext SLIT("\tcall\t"), pprImm imm, comma, int n ]
1548 Continue with SPARC-only printing bits and bobs:
1551 pprRI (RIReg r) = pprReg r
1552 pprRI (RIImm r) = pprImm r
1554 pprSizeRegReg :: FAST_STRING -> Size -> Reg -> Reg -> SDoc
1555 pprSizeRegReg name size reg1 reg2
1560 F -> ptext SLIT("s\t")
1561 DF -> ptext SLIT("d\t")),
1567 pprSizeRegRegReg :: FAST_STRING -> Size -> Reg -> Reg -> Reg -> SDoc
1568 pprSizeRegRegReg name size reg1 reg2 reg3
1573 F -> ptext SLIT("s\t")
1574 DF -> ptext SLIT("d\t")),
1582 pprRegRIReg :: FAST_STRING -> Bool -> Reg -> RI -> Reg -> SDoc
1583 pprRegRIReg name b reg1 ri reg2
1587 if b then ptext SLIT("cc\t") else char '\t',
1595 pprRIReg :: FAST_STRING -> Bool -> RI -> Reg -> SDoc
1596 pprRIReg name b ri reg1
1600 if b then ptext SLIT("cc\t") else char '\t',
1606 pp_ld_lbracket = ptext SLIT("\tld\t[")
1607 pp_rbracket_comma = text "],"
1608 pp_comma_lbracket = text ",["
1609 pp_comma_a = text ",a"
1611 #endif {-sparc_TARGET_ARCH-}