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 )
28 import Maybe ( isJust )
31 %************************************************************************
33 \subsection{@pprReg@: print a @Reg@}
35 %************************************************************************
37 For x86, the way we print a register name depends
38 on which bit of it we care about. Yurgh.
40 pprUserReg:: Reg -> SDoc
41 pprUserReg = pprReg IF_ARCH_i386(L,)
44 pprReg :: IF_ARCH_i386(Size ->,) Reg -> SDoc
46 pprReg IF_ARCH_i386(s,) r
48 RealReg (I# i) -> ppr_reg_no IF_ARCH_i386(s,) i
49 VirtualRegI u -> text "%vI_" <> ppr u
50 VirtualRegF u -> text "%vF_" <> ppr u
53 ppr_reg_no :: FAST_REG_NO -> SDoc
56 ILIT( 0) -> SLIT("$0"); ILIT( 1) -> SLIT("$1");
57 ILIT( 2) -> SLIT("$2"); ILIT( 3) -> SLIT("$3");
58 ILIT( 4) -> SLIT("$4"); ILIT( 5) -> SLIT("$5");
59 ILIT( 6) -> SLIT("$6"); ILIT( 7) -> SLIT("$7");
60 ILIT( 8) -> SLIT("$8"); ILIT( 9) -> SLIT("$9");
61 ILIT(10) -> SLIT("$10"); ILIT(11) -> SLIT("$11");
62 ILIT(12) -> SLIT("$12"); ILIT(13) -> SLIT("$13");
63 ILIT(14) -> SLIT("$14"); ILIT(15) -> SLIT("$15");
64 ILIT(16) -> SLIT("$16"); ILIT(17) -> SLIT("$17");
65 ILIT(18) -> SLIT("$18"); ILIT(19) -> SLIT("$19");
66 ILIT(20) -> SLIT("$20"); ILIT(21) -> SLIT("$21");
67 ILIT(22) -> SLIT("$22"); ILIT(23) -> SLIT("$23");
68 ILIT(24) -> SLIT("$24"); ILIT(25) -> SLIT("$25");
69 ILIT(26) -> SLIT("$26"); ILIT(27) -> SLIT("$27");
70 ILIT(28) -> SLIT("$28"); ILIT(29) -> SLIT("$29");
71 ILIT(30) -> SLIT("$30"); ILIT(31) -> SLIT("$31");
72 ILIT(32) -> SLIT("$f0"); ILIT(33) -> SLIT("$f1");
73 ILIT(34) -> SLIT("$f2"); ILIT(35) -> SLIT("$f3");
74 ILIT(36) -> SLIT("$f4"); ILIT(37) -> SLIT("$f5");
75 ILIT(38) -> SLIT("$f6"); ILIT(39) -> SLIT("$f7");
76 ILIT(40) -> SLIT("$f8"); ILIT(41) -> SLIT("$f9");
77 ILIT(42) -> SLIT("$f10"); ILIT(43) -> SLIT("$f11");
78 ILIT(44) -> SLIT("$f12"); ILIT(45) -> SLIT("$f13");
79 ILIT(46) -> SLIT("$f14"); ILIT(47) -> SLIT("$f15");
80 ILIT(48) -> SLIT("$f16"); ILIT(49) -> SLIT("$f17");
81 ILIT(50) -> SLIT("$f18"); ILIT(51) -> SLIT("$f19");
82 ILIT(52) -> SLIT("$f20"); ILIT(53) -> SLIT("$f21");
83 ILIT(54) -> SLIT("$f22"); ILIT(55) -> SLIT("$f23");
84 ILIT(56) -> SLIT("$f24"); ILIT(57) -> SLIT("$f25");
85 ILIT(58) -> SLIT("$f26"); ILIT(59) -> SLIT("$f27");
86 ILIT(60) -> SLIT("$f28"); ILIT(61) -> SLIT("$f29");
87 ILIT(62) -> SLIT("$f30"); ILIT(63) -> SLIT("$f31");
88 _ -> SLIT("very naughty alpha register")
92 ppr_reg_no :: Size -> FAST_REG_NO -> SDoc
95 ILIT( 0) -> SLIT("%al"); ILIT( 1) -> SLIT("%bl");
96 ILIT( 2) -> SLIT("%cl"); ILIT( 3) -> SLIT("%dl");
97 _ -> SLIT("very naughty I386 byte register")
100 ppr_reg_no _ i = ptext
102 ILIT( 0) -> SLIT("%eax"); ILIT( 1) -> SLIT("%ebx");
103 ILIT( 2) -> SLIT("%ecx"); ILIT( 3) -> SLIT("%edx");
104 ILIT( 4) -> SLIT("%esi"); ILIT( 5) -> SLIT("%edi");
105 ILIT( 6) -> SLIT("%ebp"); ILIT( 7) -> SLIT("%esp");
106 ILIT( 8) -> SLIT("%fake0"); ILIT( 9) -> SLIT("%fake1");
107 ILIT(10) -> SLIT("%fake2"); ILIT(11) -> SLIT("%fake3");
108 ILIT(12) -> SLIT("%fake4"); ILIT(13) -> SLIT("%fake5");
109 _ -> SLIT("very naughty I386 register")
112 #if sparc_TARGET_ARCH
113 ppr_reg_no :: FAST_REG_NO -> SDoc
116 ILIT( 0) -> SLIT("%g0"); ILIT( 1) -> SLIT("%g1");
117 ILIT( 2) -> SLIT("%g2"); ILIT( 3) -> SLIT("%g3");
118 ILIT( 4) -> SLIT("%g4"); ILIT( 5) -> SLIT("%g5");
119 ILIT( 6) -> SLIT("%g6"); ILIT( 7) -> SLIT("%g7");
120 ILIT( 8) -> SLIT("%o0"); ILIT( 9) -> SLIT("%o1");
121 ILIT(10) -> SLIT("%o2"); ILIT(11) -> SLIT("%o3");
122 ILIT(12) -> SLIT("%o4"); ILIT(13) -> SLIT("%o5");
123 ILIT(14) -> SLIT("%o6"); ILIT(15) -> SLIT("%o7");
124 ILIT(16) -> SLIT("%l0"); ILIT(17) -> SLIT("%l1");
125 ILIT(18) -> SLIT("%l2"); ILIT(19) -> SLIT("%l3");
126 ILIT(20) -> SLIT("%l4"); ILIT(21) -> SLIT("%l5");
127 ILIT(22) -> SLIT("%l6"); ILIT(23) -> SLIT("%l7");
128 ILIT(24) -> SLIT("%i0"); ILIT(25) -> SLIT("%i1");
129 ILIT(26) -> SLIT("%i2"); ILIT(27) -> SLIT("%i3");
130 ILIT(28) -> SLIT("%i4"); ILIT(29) -> SLIT("%i5");
131 ILIT(30) -> SLIT("%i6"); ILIT(31) -> SLIT("%i7");
132 ILIT(32) -> SLIT("%f0"); ILIT(33) -> SLIT("%f1");
133 ILIT(34) -> SLIT("%f2"); ILIT(35) -> SLIT("%f3");
134 ILIT(36) -> SLIT("%f4"); ILIT(37) -> SLIT("%f5");
135 ILIT(38) -> SLIT("%f6"); ILIT(39) -> SLIT("%f7");
136 ILIT(40) -> SLIT("%f8"); ILIT(41) -> SLIT("%f9");
137 ILIT(42) -> SLIT("%f10"); ILIT(43) -> SLIT("%f11");
138 ILIT(44) -> SLIT("%f12"); ILIT(45) -> SLIT("%f13");
139 ILIT(46) -> SLIT("%f14"); ILIT(47) -> SLIT("%f15");
140 ILIT(48) -> SLIT("%f16"); ILIT(49) -> SLIT("%f17");
141 ILIT(50) -> SLIT("%f18"); ILIT(51) -> SLIT("%f19");
142 ILIT(52) -> SLIT("%f20"); ILIT(53) -> SLIT("%f21");
143 ILIT(54) -> SLIT("%f22"); ILIT(55) -> SLIT("%f23");
144 ILIT(56) -> SLIT("%f24"); ILIT(57) -> SLIT("%f25");
145 ILIT(58) -> SLIT("%f26"); ILIT(59) -> SLIT("%f27");
146 ILIT(60) -> SLIT("%f28"); ILIT(61) -> SLIT("%f29");
147 ILIT(62) -> SLIT("%f30"); ILIT(63) -> SLIT("%f31");
148 _ -> SLIT("very naughty sparc register")
153 %************************************************************************
155 \subsection{@pprSize@: print a @Size@}
157 %************************************************************************
160 pprSize :: Size -> SDoc
162 pprSize x = ptext (case x of
163 #if alpha_TARGET_ARCH
166 -- W -> SLIT("w") UNUSED
167 -- WU -> SLIT("wu") UNUSED
168 -- L -> SLIT("l") UNUSED
170 -- FF -> SLIT("f") UNUSED
171 -- DF -> SLIT("d") UNUSED
172 -- GF -> SLIT("g") UNUSED
173 -- SF -> SLIT("s") UNUSED
178 -- HB -> SLIT("b") UNUSED
179 -- S -> SLIT("w") UNUSED
185 #if sparc_TARGET_ARCH
188 -- HW -> SLIT("hw") UNUSED
189 -- HWU -> SLIT("uhw") UNUSED
192 -- D -> SLIT("d") UNUSED
195 pprStSize :: Size -> SDoc
196 pprStSize x = ptext (case x of
199 -- HW -> SLIT("hw") UNUSED
200 -- HWU -> SLIT("uhw") UNUSED
203 -- D -> SLIT("d") UNUSED
209 %************************************************************************
211 \subsection{@pprCond@: print a @Cond@}
213 %************************************************************************
216 pprCond :: Cond -> SDoc
218 pprCond c = ptext (case c of {
219 #if alpha_TARGET_ARCH
230 GEU -> SLIT("ae"); LU -> SLIT("b");
231 EQQ -> SLIT("e"); GTT -> SLIT("g");
232 GE -> SLIT("ge"); GU -> SLIT("a");
233 LTT -> SLIT("l"); LE -> SLIT("le");
234 LEU -> SLIT("be"); NE -> SLIT("ne");
235 NEG -> SLIT("s"); POS -> SLIT("ns");
236 ALWAYS -> SLIT("mp") -- hack
238 #if sparc_TARGET_ARCH
239 ALWAYS -> SLIT(""); NEVER -> SLIT("n");
240 GEU -> SLIT("geu"); LU -> SLIT("lu");
241 EQQ -> SLIT("e"); GTT -> SLIT("g");
242 GE -> SLIT("ge"); GU -> SLIT("gu");
243 LTT -> SLIT("l"); LE -> SLIT("le");
244 LEU -> SLIT("leu"); NE -> SLIT("ne");
245 NEG -> SLIT("neg"); POS -> SLIT("pos");
246 VC -> SLIT("vc"); VS -> SLIT("vs")
251 %************************************************************************
253 \subsection{@pprImm@: print an @Imm@}
255 %************************************************************************
258 pprImm :: Imm -> SDoc
260 pprImm (ImmInt i) = int i
261 pprImm (ImmInteger i) = integer i
262 pprImm (ImmCLbl l) = (if labelDynamic l then text "__imp_" else empty)
264 pprImm (ImmIndex l i) = (if labelDynamic l then text "__imp_" else empty)
265 <> pprCLabel_asm l <> char '+' <> int i
266 pprImm (ImmLit s) = s
268 pprImm (ImmLab dll s) = (if underscorePrefix then char '_' else empty)
269 <> (if dll then text "_imp__" else empty)
272 #if sparc_TARGET_ARCH
274 = hcat [ pp_lo, pprImm i, rparen ]
279 = hcat [ pp_hi, pprImm i, rparen ]
285 %************************************************************************
287 \subsection{@pprAddr@: print an @Addr@}
289 %************************************************************************
292 pprAddr :: MachRegsAddr -> SDoc
294 #if alpha_TARGET_ARCH
295 pprAddr (AddrReg r) = parens (pprReg r)
296 pprAddr (AddrImm i) = pprImm i
297 pprAddr (AddrRegImm r1 i)
298 = (<>) (pprImm i) (parens (pprReg r1))
304 pprAddr (ImmAddr imm off)
305 = let pp_imm = pprImm imm
309 else if (off < 0) then
312 pp_imm <> char '+' <> int off
314 pprAddr (AddrBaseIndex base index displacement)
316 pp_disp = ppr_disp displacement
317 pp_off p = pp_disp <> char '(' <> p <> char ')'
318 pp_reg r = pprReg L r
321 (Nothing, Nothing) -> pp_disp
322 (Just b, Nothing) -> pp_off (pp_reg b)
323 (Nothing, Just (r,i)) -> pp_off (pp_reg r <> comma <> int i)
324 (Just b, Just (r,i)) -> pp_off (pp_reg b <> comma <> pp_reg r
327 ppr_disp (ImmInt 0) = empty
328 ppr_disp imm = pprImm imm
333 #if sparc_TARGET_ARCH
334 pprAddr (AddrRegReg r1 (RealReg 0)) = pprReg r1
336 pprAddr (AddrRegReg r1 r2)
337 = hcat [ pprReg r1, char '+', pprReg r2 ]
339 pprAddr (AddrRegImm r1 (ImmInt i))
341 | not (fits13Bits i) = largeOffsetError i
342 | otherwise = hcat [ pprReg r1, pp_sign, int i ]
344 pp_sign = if i > 0 then char '+' else empty
346 pprAddr (AddrRegImm r1 (ImmInteger i))
348 | not (fits13Bits i) = largeOffsetError i
349 | otherwise = hcat [ pprReg r1, pp_sign, integer i ]
351 pp_sign = if i > 0 then char '+' else empty
353 pprAddr (AddrRegImm r1 imm)
354 = hcat [ pprReg r1, char '+', pprImm imm ]
358 %************************************************************************
360 \subsection{@pprInstr@: print an @Instr@}
362 %************************************************************************
365 pprInstr :: Instr -> SDoc
367 --pprInstr (COMMENT s) = empty -- nuke 'em
369 = IF_ARCH_alpha( ((<>) (ptext SLIT("\t# ")) (ptext s))
370 ,IF_ARCH_sparc( ((<>) (ptext SLIT("! ")) (ptext s))
371 ,IF_ARCH_i386( ((<>) (ptext SLIT("# ")) (ptext s))
375 = pprInstr (COMMENT (_PK_ ("\tdelta = " ++ show d)))
377 pprInstr (SEGMENT TextSegment)
378 = IF_ARCH_alpha(ptext SLIT("\t.text\n\t.align 3") {-word boundary-}
379 ,IF_ARCH_sparc(ptext SLIT(".text\n\t.align 4") {-word boundary-}
380 ,IF_ARCH_i386((text ".text\n\t.align 4,0x90") {-needs per-OS variation!-}
383 pprInstr (SEGMENT DataSegment)
385 IF_ARCH_alpha(SLIT("\t.data\n\t.align 3")
386 ,IF_ARCH_sparc(SLIT(".data\n\t.align 8") {-<8 will break double constants -}
387 ,IF_ARCH_i386(SLIT(".data\n\t.align 4")
390 pprInstr (LABEL clab)
392 pp_lab = pprCLabel_asm clab
395 if not (externallyVisibleCLabel clab) then
399 IF_ARCH_alpha(SLIT("\t.globl\t")
400 ,IF_ARCH_i386(SLIT(".globl ")
401 ,IF_ARCH_sparc(SLIT(".global\t")
403 , pp_lab, char '\n'],
408 pprInstr (ASCII False{-no backslash conversion-} str)
409 = hcat [ ptext SLIT("\t.asciz "), char '\"', text str, char '"' ]
411 pprInstr (ASCII True str)
413 -- The Solaris assembler doesn't understand \x escapes in
417 asciify :: String -> SDoc
418 asciify "" = text "\t.ascii \"\\0\""
420 = let fst = take 16 str
422 this = text ("\t.ascii \""
423 ++ concat (map asciify_char fst)
425 in this $$ asciify rest
426 asciify_char :: Char -> String
427 asciify_char c = '\\' : 'x' : hshow (ord c)
429 = vcat (map do1 (str ++ [chr 0]))
432 do1 c = text "\t.byte\t0x" <> text (hshow (ord c))
434 hshow :: Int -> String
435 hshow n | n >= 0 && n <= 255
436 = [ tab !! (n `div` 16), tab !! (n `mod` 16)]
437 tab = "0123456789ABCDEF"
441 = vcat (concatMap (ppr_item s) xs)
444 #if alpha_TARGET_ARCH
445 ppr_item = error "ppr_item on Alpha"
447 #if sparc_TARGET_ARCH
448 -- copy n paste of x86 version
449 ppr_item B x = [text "\t.byte\t" <> pprImm x]
450 ppr_item W x = [text "\t.long\t" <> pprImm x]
451 ppr_item F (ImmFloat r)
452 = let bs = floatToBytes (fromRational r)
453 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
454 ppr_item DF (ImmDouble r)
455 = let bs = doubleToBytes (fromRational r)
456 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
459 ppr_item B x = [text "\t.byte\t" <> pprImm x]
460 ppr_item L x = [text "\t.long\t" <> pprImm x]
461 ppr_item F (ImmFloat r)
462 = let bs = floatToBytes (fromRational r)
463 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
464 ppr_item DF (ImmDouble r)
465 = let bs = doubleToBytes (fromRational r)
466 in map (\b -> text "\t.byte\t" <> pprImm (ImmInt b)) bs
469 -- floatToBytes and doubleToBytes convert to the host's byte
470 -- order. Providing that we're not cross-compiling for a
471 -- target with the opposite endianness, this should work ok
473 floatToBytes :: Float -> [Int]
476 arr <- newFloatArray ((0::Int),3)
477 writeFloatArray arr 0 f
478 i0 <- readCharArray arr 0
479 i1 <- readCharArray arr 1
480 i2 <- readCharArray arr 2
481 i3 <- readCharArray arr 3
482 return (map ord [i0,i1,i2,i3])
485 doubleToBytes :: Double -> [Int]
488 arr <- newDoubleArray ((0::Int),7)
489 writeDoubleArray arr 0 d
490 i0 <- readCharArray arr 0
491 i1 <- readCharArray arr 1
492 i2 <- readCharArray arr 2
493 i3 <- readCharArray arr 3
494 i4 <- readCharArray arr 4
495 i5 <- readCharArray arr 5
496 i6 <- readCharArray arr 6
497 i7 <- readCharArray arr 7
498 return (map ord [i0,i1,i2,i3,i4,i5,i6,i7])
501 -- fall through to rest of (machine-specific) pprInstr...
504 %************************************************************************
506 \subsubsection{@pprInstr@ for an Alpha}
508 %************************************************************************
511 #if alpha_TARGET_ARCH
513 pprInstr (LD size reg addr)
523 pprInstr (LDA reg addr)
525 ptext SLIT("\tlda\t"),
531 pprInstr (LDAH reg addr)
533 ptext SLIT("\tldah\t"),
539 pprInstr (LDGP reg addr)
541 ptext SLIT("\tldgp\t"),
547 pprInstr (LDI size reg imm)
557 pprInstr (ST size reg addr)
569 ptext SLIT("\tclr\t"),
573 pprInstr (ABS size ri reg)
583 pprInstr (NEG size ov ri reg)
587 if ov then ptext SLIT("v\t") else char '\t',
593 pprInstr (ADD size ov reg1 ri reg2)
597 if ov then ptext SLIT("v\t") else char '\t',
605 pprInstr (SADD size scale reg1 ri reg2)
607 ptext (case scale of {{-UNUSED:L -> SLIT("\ts4");-} Q -> SLIT("\ts8")}),
618 pprInstr (SUB size ov reg1 ri reg2)
622 if ov then ptext SLIT("v\t") else char '\t',
630 pprInstr (SSUB size scale reg1 ri reg2)
632 ptext (case scale of {{-UNUSED:L -> SLIT("\ts4");-} Q -> SLIT("\ts8")}),
643 pprInstr (MUL size ov reg1 ri reg2)
647 if ov then ptext SLIT("v\t") else char '\t',
655 pprInstr (DIV size uns reg1 ri reg2)
659 if uns then ptext SLIT("u\t") else char '\t',
667 pprInstr (REM size uns reg1 ri reg2)
671 if uns then ptext SLIT("u\t") else char '\t',
679 pprInstr (NOT ri reg)
688 pprInstr (AND reg1 ri reg2) = pprRegRIReg SLIT("and") reg1 ri reg2
689 pprInstr (ANDNOT reg1 ri reg2) = pprRegRIReg SLIT("andnot") reg1 ri reg2
690 pprInstr (OR reg1 ri reg2) = pprRegRIReg SLIT("or") reg1 ri reg2
691 pprInstr (ORNOT reg1 ri reg2) = pprRegRIReg SLIT("ornot") reg1 ri reg2
692 pprInstr (XOR reg1 ri reg2) = pprRegRIReg SLIT("xor") reg1 ri reg2
693 pprInstr (XORNOT reg1 ri reg2) = pprRegRIReg SLIT("xornot") reg1 ri reg2
695 pprInstr (SLL reg1 ri reg2) = pprRegRIReg SLIT("sll") reg1 ri reg2
696 pprInstr (SRL reg1 ri reg2) = pprRegRIReg SLIT("srl") reg1 ri reg2
697 pprInstr (SRA reg1 ri reg2) = pprRegRIReg SLIT("sra") reg1 ri reg2
699 pprInstr (ZAP reg1 ri reg2) = pprRegRIReg SLIT("zap") reg1 ri reg2
700 pprInstr (ZAPNOT reg1 ri reg2) = pprRegRIReg SLIT("zapnot") reg1 ri reg2
702 pprInstr (NOP) = ptext SLIT("\tnop")
704 pprInstr (CMP cond reg1 ri reg2)
718 ptext SLIT("\tfclr\t"),
722 pprInstr (FABS reg1 reg2)
724 ptext SLIT("\tfabs\t"),
730 pprInstr (FNEG size reg1 reg2)
740 pprInstr (FADD size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("add") size reg1 reg2 reg3
741 pprInstr (FDIV size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("div") size reg1 reg2 reg3
742 pprInstr (FMUL size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("mul") size reg1 reg2 reg3
743 pprInstr (FSUB size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("sub") size reg1 reg2 reg3
745 pprInstr (CVTxy size1 size2 reg1 reg2)
749 case size2 of {Q -> ptext SLIT("qc"); _ -> pprSize size2},
756 pprInstr (FCMP size cond reg1 reg2 reg3)
769 pprInstr (FMOV reg1 reg2)
771 ptext SLIT("\tfmov\t"),
777 pprInstr (BI ALWAYS reg lab) = pprInstr (BR lab)
779 pprInstr (BI NEVER reg lab) = empty
781 pprInstr (BI cond reg lab)
791 pprInstr (BF cond reg lab)
802 = (<>) (ptext SLIT("\tbr\t")) (pprImm lab)
804 pprInstr (JMP reg addr hint)
806 ptext SLIT("\tjmp\t"),
815 = (<>) (ptext SLIT("\tbsr\t")) (pprImm imm)
817 pprInstr (JSR reg addr n)
819 ptext SLIT("\tjsr\t"),
825 pprInstr (FUNBEGIN clab)
827 if (externallyVisibleCLabel clab) then
828 hcat [ptext SLIT("\t.globl\t"), pp_lab, char '\n']
831 ptext SLIT("\t.ent "),
840 pp_lab = pprCLabel_asm clab
842 -- NEVER use commas within those string literals, cpp will ruin your day
843 pp_ldgp = hcat [ ptext SLIT(":\n\tldgp $29"), char ',', ptext SLIT("0($27)\n") ]
844 pp_frame = hcat [ ptext SLIT("..ng:\n\t.frame $30"), char ',',
845 ptext SLIT("4240"), char ',',
846 ptext SLIT("$26"), char ',',
847 ptext SLIT("0\n\t.prologue 1") ]
849 pprInstr (FUNEND clab)
850 = (<>) (ptext SLIT("\t.align 4\n\t.end ")) (pprCLabel_asm clab)
853 Continue with Alpha-only printing bits and bobs:
857 pprRI (RIReg r) = pprReg r
858 pprRI (RIImm r) = pprImm r
860 pprRegRIReg :: FAST_STRING -> Reg -> RI -> Reg -> SDoc
862 pprRegRIReg name reg1 ri reg2
874 pprSizeRegRegReg :: FAST_STRING -> Size -> Reg -> Reg -> Reg -> SDoc
876 pprSizeRegRegReg name size reg1 reg2 reg3
889 #endif {-alpha_TARGET_ARCH-}
892 %************************************************************************
894 \subsubsection{@pprInstr@ for an I386}
896 %************************************************************************
901 pprInstr v@(MOV size s@(OpReg src) d@(OpReg dst)) -- hack
904 #if 0 /* #ifdef DEBUG */
905 (<>) (ptext SLIT("# warning: ")) (pprSizeOpOp SLIT("mov") size s d)
909 pprInstr (MOV size src dst)
910 = pprSizeOpOp SLIT("mov") size src dst
911 pprInstr (MOVZxL sizes src dst) = pprSizeOpOpCoerce SLIT("movz") sizes L src dst
912 pprInstr (MOVSxL sizes src dst) = pprSizeOpOpCoerce SLIT("movs") sizes L src dst
914 -- here we do some patching, since the physical registers are only set late
915 -- in the code generation.
916 pprInstr (LEA size (OpAddr (AddrBaseIndex src1@(Just reg1) (Just (reg2,1)) (ImmInt 0))) dst@(OpReg reg3))
918 = pprSizeOpOp SLIT("add") size (OpReg reg2) dst
919 pprInstr (LEA size (OpAddr (AddrBaseIndex src1@(Just reg1) (Just (reg2,1)) (ImmInt 0))) dst@(OpReg reg3))
921 = pprSizeOpOp SLIT("add") size (OpReg reg1) dst
922 pprInstr (LEA size (OpAddr (AddrBaseIndex src1@(Just reg1) Nothing displ)) dst@(OpReg reg3))
924 = pprInstr (ADD size (OpImm displ) dst)
925 pprInstr (LEA size src dst) = pprSizeOpOp SLIT("lea") size src dst
927 pprInstr (ADD size (OpImm (ImmInt (-1))) dst)
928 = pprSizeOp SLIT("dec") size dst
929 pprInstr (ADD size (OpImm (ImmInt 1)) dst)
930 = pprSizeOp SLIT("inc") size dst
931 pprInstr (ADD size src dst)
932 = pprSizeOpOp SLIT("add") size src dst
933 pprInstr (SUB size src dst) = pprSizeOpOp SLIT("sub") size src dst
934 pprInstr (IMUL size op1 op2) = pprSizeOpOp SLIT("imul") size op1 op2
935 pprInstr (IDIV size op) = pprSizeOp SLIT("idiv") size op
937 pprInstr (AND size src dst) = pprSizeOpOp SLIT("and") size src dst
938 pprInstr (OR size src dst) = pprSizeOpOp SLIT("or") size src dst
939 pprInstr (XOR size src dst) = pprSizeOpOp SLIT("xor") size src dst
940 pprInstr (NOT size op) = pprSizeOp SLIT("not") size op
941 pprInstr (NEGI size op) = pprSizeOp SLIT("neg") size op
943 pprInstr (SHL size imm dst) = pprSizeImmOp SLIT("shl") size imm dst
944 pprInstr (SAR size imm dst) = pprSizeImmOp SLIT("sar") size imm dst
945 pprInstr (SHR size imm dst) = pprSizeImmOp SLIT("shr") size imm dst
946 pprInstr (BT size imm src) = pprSizeImmOp SLIT("bt") size imm src
948 pprInstr (CMP size src dst) = pprSizeOpOp SLIT("cmp") size src dst
949 pprInstr (TEST size src dst) = pprSizeOpOp SLIT("test") size src dst
950 pprInstr (PUSH size op) = pprSizeOp SLIT("push") size op
951 pprInstr (POP size op) = pprSizeOp SLIT("pop") size op
952 pprInstr PUSHA = ptext SLIT("\tpushal")
953 pprInstr POPA = ptext SLIT("\tpopal")
955 pprInstr (NOP) = ptext SLIT("\tnop")
956 pprInstr (CLTD) = ptext SLIT("\tcltd")
958 pprInstr (SETCC cond op) = pprCondInstr SLIT("set") cond (pprOperand B op)
960 pprInstr (JXX cond lab) = pprCondInstr SLIT("j") cond (pprCLabel_asm lab)
962 pprInstr (JMP (OpImm imm)) = (<>) (ptext SLIT("\tjmp ")) (pprImm imm)
963 pprInstr (JMP op) = (<>) (ptext SLIT("\tjmp *")) (pprOperand L op)
965 = (<>) (ptext SLIT("\tcall ")) (pprImm imm)
968 -- Simulating a flat register set on the x86 FP stack is tricky.
969 -- you have to free %st(7) before pushing anything on the FP reg stack
970 -- so as to preclude the possibility of a FP stack overflow exception.
971 pprInstr g@(GMOV src dst)
975 = pprG g (hcat [gtab, gpush src 0, gsemi, gpop dst 1])
977 -- GLD sz addr dst ==> FFREE %st(7) ; FLDsz addr ; FSTP (dst+1)
978 pprInstr g@(GLD sz addr dst)
979 = pprG g (hcat [gtab, text "ffree %st(7) ; fld", pprSize sz, gsp,
980 pprAddr addr, gsemi, gpop dst 1])
982 -- GST sz src addr ==> FFREE %st(7) ; FLD dst ; FSTPsz addr
983 pprInstr g@(GST sz src addr)
984 = pprG g (hcat [gtab, gpush src 0, gsemi,
985 text "fstp", pprSize sz, gsp, pprAddr addr])
987 pprInstr g@(GLDZ dst)
988 = pprG g (hcat [gtab, text "ffree %st(7) ; fldz ; ", gpop dst 1])
989 pprInstr g@(GLD1 dst)
990 = pprG g (hcat [gtab, text "ffree %st(7) ; fld1 ; ", gpop dst 1])
992 pprInstr g@(GFTOD src dst)
994 pprInstr g@(GFTOI src dst)
997 pprInstr g@(GDTOF src dst)
999 pprInstr g@(GDTOI src dst)
1002 pprInstr g@(GITOF src dst)
1003 = pprInstr (GITOD src dst)
1004 pprInstr g@(GITOD src dst)
1005 = pprG g (hcat [gtab, text "pushl ", pprReg L src,
1006 text " ; ffree %st(7); fildl (%esp) ; ",
1007 gpop dst 1, text " ; addl $4,%esp"])
1009 pprInstr g@(GCMP sz src1 src2)
1010 = pprG g (hcat [gtab, text "pushl %eax ; ",gpush src1 0]
1012 hcat [gtab, text "fcomp ", greg src2 1,
1013 text "; fstsw %ax ; sahf ; popl %eax"])
1015 pprInstr g@(GABS sz src dst)
1016 = pprG g (hcat [gtab, gpush src 0, text " ; fabs ; ", gpop dst 1])
1017 pprInstr g@(GNEG sz src dst)
1018 = pprG g (hcat [gtab, gpush src 0, text " ; fchs ; ", gpop dst 1])
1020 pprInstr g@(GSQRT sz src dst)
1021 = pprG g (hcat [gtab, gpush src 0, text " ; fsqrt"] $$
1022 hcat [gtab, gcoerceto sz, gpop dst 1])
1023 pprInstr g@(GSIN sz src dst)
1024 = pprG g (hcat [gtab, gpush src 0, text " ; fsin"] $$
1025 hcat [gtab, gcoerceto sz, gpop dst 1])
1026 pprInstr g@(GCOS sz src dst)
1027 = pprG g (hcat [gtab, gpush src 0, text " ; fcos"] $$
1028 hcat [gtab, gcoerceto sz, gpop dst 1])
1029 pprInstr g@(GTAN sz src dst)
1030 = pprG g (hcat [gtab, text "ffree %st(6) ; ",
1031 gpush src 0, text " ; fptan ; ",
1032 text " fstp %st(0)"] $$
1033 hcat [gtab, gcoerceto sz, gpop dst 1])
1035 -- In the translations for GADD, GMUL, GSUB and GDIV,
1036 -- the first two cases are mere optimisations. The otherwise clause
1037 -- generates correct code under all circumstances.
1039 pprInstr g@(GADD sz src1 src2 dst)
1041 = pprG g (text "\t#GADD-xxxcase1" $$
1042 hcat [gtab, gpush src2 0,
1043 text " ; faddp %st(0),", greg src1 1])
1045 = pprG g (text "\t#GADD-xxxcase2" $$
1046 hcat [gtab, gpush src1 0,
1047 text " ; faddp %st(0),", greg src2 1])
1049 = pprG g (hcat [gtab, gpush src1 0,
1050 text " ; fadd ", greg src2 1, text ",%st(0)",
1054 pprInstr g@(GMUL sz src1 src2 dst)
1056 = pprG g (text "\t#GMUL-xxxcase1" $$
1057 hcat [gtab, gpush src2 0,
1058 text " ; fmulp %st(0),", greg src1 1])
1060 = pprG g (text "\t#GMUL-xxxcase2" $$
1061 hcat [gtab, gpush src1 0,
1062 text " ; fmulp %st(0),", greg src2 1])
1064 = pprG g (hcat [gtab, gpush src1 0,
1065 text " ; fmul ", greg src2 1, text ",%st(0)",
1069 pprInstr g@(GSUB sz src1 src2 dst)
1071 = pprG g (text "\t#GSUB-xxxcase1" $$
1072 hcat [gtab, gpush src2 0,
1073 text " ; fsubrp %st(0),", greg src1 1])
1075 = pprG g (text "\t#GSUB-xxxcase2" $$
1076 hcat [gtab, gpush src1 0,
1077 text " ; fsubp %st(0),", greg src2 1])
1079 = pprG g (hcat [gtab, gpush src1 0,
1080 text " ; fsub ", greg src2 1, text ",%st(0)",
1084 pprInstr g@(GDIV sz src1 src2 dst)
1086 = pprG g (text "\t#GDIV-xxxcase1" $$
1087 hcat [gtab, gpush src2 0,
1088 text " ; fdivrp %st(0),", greg src1 1])
1090 = pprG g (text "\t#GDIV-xxxcase2" $$
1091 hcat [gtab, gpush src1 0,
1092 text " ; fdivp %st(0),", greg src2 1])
1094 = pprG g (hcat [gtab, gpush src1 0,
1095 text " ; fdiv ", greg src2 1, text ",%st(0)",
1100 = vcat [ ptext SLIT("\tffree %st(0) ;ffree %st(1) ;ffree %st(2) ;ffree %st(3)"),
1101 ptext SLIT("\tffree %st(4) ;ffree %st(5) ;ffree %st(6) ;ffree %st(7)")
1104 --------------------------
1106 -- coerce %st(0) to the specified size
1107 gcoerceto DF = empty
1108 gcoerceto F = text "subl $4,%esp ; fstps (%esp) ; flds (%esp) ; addl $4,%esp ; "
1111 = hcat [text "ffree %st(7) ; fld ", greg reg offset]
1113 = hcat [text "fstp ", greg reg offset]
1115 bogus = text "\tbogus"
1116 greg reg offset = text "%st(" <> int (gregno reg - 8+offset) <> char ')'
1121 gregno (RealReg i) = i
1122 gregno other = --pprPanic "gregno" (ppr other)
1123 999 -- bogus; only needed for debug printing
1125 pprG :: Instr -> SDoc -> SDoc
1127 = (char '#' <> pprGInstr fake) $$ actual
1129 pprGInstr (GMOV src dst) = pprSizeRegReg SLIT("gmov") DF src dst
1130 pprGInstr (GLD sz src dst) = pprSizeAddrReg SLIT("gld") sz src dst
1131 pprGInstr (GST sz src dst) = pprSizeRegAddr SLIT("gst") sz src dst
1133 pprGInstr (GLDZ dst) = pprSizeReg SLIT("gldz") DF dst
1134 pprGInstr (GLD1 dst) = pprSizeReg SLIT("gld1") DF dst
1136 pprGInstr (GFTOD src dst) = pprSizeSizeRegReg SLIT("gftod") F DF src dst
1137 pprGInstr (GFTOI src dst) = pprSizeSizeRegReg SLIT("gftoi") F L src dst
1139 pprGInstr (GDTOF src dst) = pprSizeSizeRegReg SLIT("gdtof") DF F src dst
1140 pprGInstr (GDTOI src dst) = pprSizeSizeRegReg SLIT("gdtoi") DF L src dst
1142 pprGInstr (GITOF src dst) = pprSizeSizeRegReg SLIT("gitof") L F src dst
1143 pprGInstr (GITOD src dst) = pprSizeSizeRegReg SLIT("gitod") L DF src dst
1145 pprGInstr (GCMP sz src dst) = pprSizeRegReg SLIT("gcmp") sz src dst
1146 pprGInstr (GABS sz src dst) = pprSizeRegReg SLIT("gabs") sz src dst
1147 pprGInstr (GNEG sz src dst) = pprSizeRegReg SLIT("gneg") sz src dst
1148 pprGInstr (GSQRT sz src dst) = pprSizeRegReg SLIT("gsqrt") sz src dst
1149 pprGInstr (GSIN sz src dst) = pprSizeRegReg SLIT("gsin") sz src dst
1150 pprGInstr (GCOS sz src dst) = pprSizeRegReg SLIT("gcos") sz src dst
1151 pprGInstr (GTAN sz src dst) = pprSizeRegReg SLIT("gtan") sz src dst
1153 pprGInstr (GADD sz src1 src2 dst) = pprSizeRegRegReg SLIT("gadd") sz src1 src2 dst
1154 pprGInstr (GSUB sz src1 src2 dst) = pprSizeRegRegReg SLIT("gsub") sz src1 src2 dst
1155 pprGInstr (GMUL sz src1 src2 dst) = pprSizeRegRegReg SLIT("gmul") sz src1 src2 dst
1156 pprGInstr (GDIV sz src1 src2 dst) = pprSizeRegRegReg SLIT("gdiv") sz src1 src2 dst
1159 Continue with I386-only printing bits and bobs:
1161 pprDollImm :: Imm -> SDoc
1163 pprDollImm i = ptext SLIT("$") <> pprImm i
1165 pprOperand :: Size -> Operand -> SDoc
1166 pprOperand s (OpReg r) = pprReg s r
1167 pprOperand s (OpImm i) = pprDollImm i
1168 pprOperand s (OpAddr ea) = pprAddr ea
1170 pprSizeImmOp :: FAST_STRING -> Size -> Imm -> Operand -> SDoc
1171 pprSizeImmOp name size imm op1
1183 pprSizeOp :: FAST_STRING -> Size -> Operand -> SDoc
1184 pprSizeOp name size op1
1193 pprSizeOpOp :: FAST_STRING -> Size -> Operand -> Operand -> SDoc
1194 pprSizeOpOp name size op1 op2
1200 pprOperand size op1,
1205 pprSizeByteOpOp :: FAST_STRING -> Size -> Operand -> Operand -> SDoc
1206 pprSizeByteOpOp name size op1 op2
1217 pprSizeOpReg :: FAST_STRING -> Size -> Operand -> Reg -> SDoc
1218 pprSizeOpReg name size op1 reg
1224 pprOperand size op1,
1229 pprSizeReg :: FAST_STRING -> Size -> Reg -> SDoc
1230 pprSizeReg name size reg1
1239 pprSizeRegReg :: FAST_STRING -> Size -> Reg -> Reg -> SDoc
1240 pprSizeRegReg name size reg1 reg2
1251 pprSizeSizeRegReg :: FAST_STRING -> Size -> Size -> Reg -> Reg -> SDoc
1252 pprSizeSizeRegReg name size1 size2 reg1 reg2
1264 pprSizeRegRegReg :: FAST_STRING -> Size -> Reg -> Reg -> Reg -> SDoc
1265 pprSizeRegRegReg name size reg1 reg2 reg3
1278 pprSizeAddr :: FAST_STRING -> Size -> MachRegsAddr -> SDoc
1279 pprSizeAddr name size op
1288 pprSizeAddrReg :: FAST_STRING -> Size -> MachRegsAddr -> Reg -> SDoc
1289 pprSizeAddrReg name size op dst
1300 pprSizeRegAddr :: FAST_STRING -> Size -> Reg -> MachRegsAddr -> SDoc
1301 pprSizeRegAddr name size src op
1312 pprOpOp :: FAST_STRING -> Size -> Operand -> Operand -> SDoc
1313 pprOpOp name size op1 op2
1317 pprOperand size op1,
1322 pprSizeOpOpCoerce :: FAST_STRING -> Size -> Size -> Operand -> Operand -> SDoc
1323 pprSizeOpOpCoerce name size1 size2 op1 op2
1324 = hcat [ char '\t', ptext name, pprSize size1, pprSize size2, space,
1325 pprOperand size1 op1,
1327 pprOperand size2 op2
1330 pprCondInstr :: FAST_STRING -> Cond -> SDoc -> SDoc
1331 pprCondInstr name cond arg
1332 = hcat [ char '\t', ptext name, pprCond cond, space, arg]
1334 #endif {-i386_TARGET_ARCH-}
1337 %************************************************************************
1339 \subsubsection{@pprInstr@ for a SPARC}
1341 %************************************************************************
1344 #if sparc_TARGET_ARCH
1346 -- a clumsy hack for now, to handle possible double alignment problems
1348 -- even clumsier, to allow for RegReg regs that show when doing indexed
1349 -- reads (bytearrays).
1352 -- Translate to the following:
1355 -- ld [g1+4],%f(n+1)
1356 -- sub g1,g2,g1 -- to restore g1
1357 pprInstr (LD DF (AddrRegReg g1 g2) reg)
1359 hcat [ptext SLIT("\tadd\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1],
1360 hcat [pp_ld_lbracket, pprReg g1, pp_rbracket_comma, pprReg reg],
1361 hcat [pp_ld_lbracket, pprReg g1, ptext SLIT("+4]"), comma, pprReg (fPair reg)],
1362 hcat [ptext SLIT("\tsub\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1]
1367 -- ld [addr+4],%f(n+1)
1368 pprInstr (LD DF addr reg) | isJust off_addr
1370 hcat [pp_ld_lbracket, pprAddr addr, pp_rbracket_comma, pprReg reg],
1371 hcat [pp_ld_lbracket, pprAddr addr2, pp_rbracket_comma,pprReg (fPair reg)]
1374 off_addr = addrOffset addr 4
1375 addr2 = case off_addr of Just x -> x
1378 pprInstr (LD size addr reg)
1389 -- The same clumsy hack as above
1391 -- Translate to the following:
1394 -- st %f(n+1),[g1+4]
1395 -- sub g1,g2,g1 -- to restore g1
1396 pprInstr (ST DF reg (AddrRegReg g1 g2))
1398 hcat [ptext SLIT("\tadd\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1],
1399 hcat [ptext SLIT("\tst\t"), pprReg reg, pp_comma_lbracket,
1401 hcat [ptext SLIT("\tst\t"), pprReg (fPair reg), pp_comma_lbracket,
1402 pprReg g1, ptext SLIT("+4]")],
1403 hcat [ptext SLIT("\tsub\t"), pprReg g1,comma,pprReg g2,comma,pprReg g1]
1408 -- st %f(n+1),[addr+4]
1409 pprInstr (ST DF reg addr) | isJust off_addr
1411 hcat [ptext SLIT("\tst\t"), pprReg reg, pp_comma_lbracket,
1412 pprAddr addr, rbrack],
1413 hcat [ptext SLIT("\tst\t"), pprReg (fPair reg), pp_comma_lbracket,
1414 pprAddr addr2, rbrack]
1417 off_addr = addrOffset addr 4
1418 addr2 = case off_addr of Just x -> x
1420 -- no distinction is made between signed and unsigned bytes on stores for the
1421 -- Sparc opcodes (at least I cannot see any, and gas is nagging me --SOF),
1422 -- so we call a special-purpose pprSize for ST..
1424 pprInstr (ST size reg addr)
1435 pprInstr (ADD x cc reg1 ri reg2)
1436 | not x && not cc && riZero ri
1437 = hcat [ ptext SLIT("\tmov\t"), pprReg reg1, comma, pprReg reg2 ]
1439 = pprRegRIReg (if x then SLIT("addx") else SLIT("add")) cc reg1 ri reg2
1441 pprInstr (SUB x cc reg1 ri reg2)
1442 | not x && cc && reg2 == g0
1443 = hcat [ ptext SLIT("\tcmp\t"), pprReg reg1, comma, pprRI ri ]
1444 | not x && not cc && riZero ri
1445 = hcat [ ptext SLIT("\tmov\t"), pprReg reg1, comma, pprReg reg2 ]
1447 = pprRegRIReg (if x then SLIT("subx") else SLIT("sub")) cc reg1 ri reg2
1449 pprInstr (AND b reg1 ri reg2) = pprRegRIReg SLIT("and") b reg1 ri reg2
1450 pprInstr (ANDN b reg1 ri reg2) = pprRegRIReg SLIT("andn") b reg1 ri reg2
1452 pprInstr (OR b reg1 ri reg2)
1453 | not b && reg1 == g0
1454 = hcat [ ptext SLIT("\tmov\t"), pprRI ri, comma, pprReg reg2 ]
1456 = pprRegRIReg SLIT("or") b reg1 ri reg2
1458 pprInstr (ORN b reg1 ri reg2) = pprRegRIReg SLIT("orn") b reg1 ri reg2
1460 pprInstr (XOR b reg1 ri reg2) = pprRegRIReg SLIT("xor") b reg1 ri reg2
1461 pprInstr (XNOR b reg1 ri reg2) = pprRegRIReg SLIT("xnor") b reg1 ri reg2
1463 pprInstr (SLL reg1 ri reg2) = pprRegRIReg SLIT("sll") False reg1 ri reg2
1464 pprInstr (SRL reg1 ri reg2) = pprRegRIReg SLIT("srl") False reg1 ri reg2
1465 pprInstr (SRA reg1 ri reg2) = pprRegRIReg SLIT("sra") False reg1 ri reg2
1467 pprInstr (SETHI imm reg)
1469 ptext SLIT("\tsethi\t"),
1475 pprInstr NOP = ptext SLIT("\tnop")
1477 pprInstr (FABS F reg1 reg2) = pprSizeRegReg SLIT("fabs") F reg1 reg2
1478 pprInstr (FABS DF reg1 reg2)
1479 = (<>) (pprSizeRegReg SLIT("fabs") F reg1 reg2)
1480 (if (reg1 == reg2) then empty
1481 else (<>) (char '\n')
1482 (pprSizeRegReg SLIT("fmov") F (fPair reg1) (fPair reg2)))
1484 pprInstr (FADD size reg1 reg2 reg3)
1485 = pprSizeRegRegReg SLIT("fadd") size reg1 reg2 reg3
1486 pprInstr (FCMP e size reg1 reg2)
1487 = pprSizeRegReg (if e then SLIT("fcmpe") else SLIT("fcmp")) size reg1 reg2
1488 pprInstr (FDIV size reg1 reg2 reg3)
1489 = pprSizeRegRegReg SLIT("fdiv") size reg1 reg2 reg3
1491 pprInstr (FMOV F reg1 reg2) = pprSizeRegReg SLIT("fmov") F reg1 reg2
1492 pprInstr (FMOV DF reg1 reg2)
1493 = (<>) (pprSizeRegReg SLIT("fmov") F reg1 reg2)
1494 (if (reg1 == reg2) then empty
1495 else (<>) (char '\n')
1496 (pprSizeRegReg SLIT("fmov") F (fPair reg1) (fPair reg2)))
1498 pprInstr (FMUL size reg1 reg2 reg3)
1499 = pprSizeRegRegReg SLIT("fmul") size reg1 reg2 reg3
1501 pprInstr (FNEG F reg1 reg2) = pprSizeRegReg SLIT("fneg") F reg1 reg2
1502 pprInstr (FNEG DF reg1 reg2)
1503 = (<>) (pprSizeRegReg SLIT("fneg") F reg1 reg2)
1504 (if (reg1 == reg2) then empty
1505 else (<>) (char '\n')
1506 (pprSizeRegReg SLIT("fmov") F (fPair reg1) (fPair reg2)))
1508 pprInstr (FSQRT size reg1 reg2) = pprSizeRegReg SLIT("fsqrt") size reg1 reg2
1509 pprInstr (FSUB size reg1 reg2 reg3) = pprSizeRegRegReg SLIT("fsub") size reg1 reg2 reg3
1510 pprInstr (FxTOy size1 size2 reg1 reg2)
1523 pprReg reg1, comma, pprReg reg2
1527 pprInstr (BI cond b lab)
1529 ptext SLIT("\tb"), pprCond cond,
1530 if b then pp_comma_a else empty,
1535 pprInstr (BF cond b lab)
1537 ptext SLIT("\tfb"), pprCond cond,
1538 if b then pp_comma_a else empty,
1543 pprInstr (JMP addr) = (<>) (ptext SLIT("\tjmp\t")) (pprAddr addr)
1545 pprInstr (CALL imm n _)
1546 = hcat [ ptext SLIT("\tcall\t"), pprImm imm, comma, int n ]
1549 Continue with SPARC-only printing bits and bobs:
1552 pprRI (RIReg r) = pprReg r
1553 pprRI (RIImm r) = pprImm r
1555 pprSizeRegReg :: FAST_STRING -> Size -> Reg -> Reg -> SDoc
1556 pprSizeRegReg name size reg1 reg2
1561 F -> ptext SLIT("s\t")
1562 DF -> ptext SLIT("d\t")),
1568 pprSizeRegRegReg :: FAST_STRING -> Size -> Reg -> Reg -> Reg -> SDoc
1569 pprSizeRegRegReg name size reg1 reg2 reg3
1574 F -> ptext SLIT("s\t")
1575 DF -> ptext SLIT("d\t")),
1583 pprRegRIReg :: FAST_STRING -> Bool -> Reg -> RI -> Reg -> SDoc
1584 pprRegRIReg name b reg1 ri reg2
1588 if b then ptext SLIT("cc\t") else char '\t',
1596 pprRIReg :: FAST_STRING -> Bool -> RI -> Reg -> SDoc
1597 pprRIReg name b ri reg1
1601 if b then ptext SLIT("cc\t") else char '\t',
1607 pp_ld_lbracket = ptext SLIT("\tld\t[")
1608 pp_rbracket_comma = text "],"
1609 pp_comma_lbracket = text ",["
1610 pp_comma_a = text ",a"
1612 #endif {-sparc_TARGET_ARCH-}