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
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 dsts (OpImm imm)) = (<>) (ptext SLIT("\tjmp ")) (pprImm imm)
963 pprInstr (JMP dsts op) = (<>) (ptext SLIT("\tjmp *")) (pprOperand L op)
964 pprInstr (CALL imm) = (<>) (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) | isJust 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) | isJust 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 dsts 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-}