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{fix\var {mn}2} instruction pattern}{319}\entry {\code {FIXUNS{\_}TRUNC{\_}LIKE{\_}FIX{\_}TRUNC}}{462}\entry {\code {fixuns{\_}trunc\var {mn}2} instruction pattern}{320}\entry {\code {fixuns\var {mn}2} instruction pattern}{319}\entry {flags in RTL expression}{250}\entry {\code {float}}{271}\entry {\code {float} as function value type}{204}\entry {\code {FLOAT{\_}ARG{\_}TYPE}}{416}\entry {\code {float{\_}extend}}{271}\entry {\code {FLOAT{\_}STORE{\_}FLAG{\_}VALUE}}{465}\entry {\code {float{\_}truncate}}{271}\entry {\code {FLOAT{\_}TYPE{\_}SIZE}}{369}\entry {\code {FLOAT{\_}VALUE{\_}TYPE}}{417}\entry {\code {FLOAT{\_}WORDS{\_}BIG{\_}ENDIAN}}{362}\entry {\code {FLOATIFY}}{417}\entry {floating point and cross compilation}{458}\entry {floating point precision}{40, 207}\entry {\code {float\var {mn}2} instruction pattern}{319}\entry {\code {floatuns\var {mn}2} instruction pattern}{319}\entry {\code {force{\_}reg}}{314}\entry {\code {format} function attribute}{153}\entry {\code {format{\_}arg} function attribute}{153}\entry {forwarding calls}{140}\entry {frame layout}{386}\entry {\code {FRAME{\_}GROWS{\_}DOWNWARD}}{386}\entry {\code {FRAME{\_}GROWS{\_}DOWNWARD} and virtual registers}{261}\entry {\code {frame{\_}pointer{\_}needed}}{402}\entry {\code {FRAME{\_}POINTER{\_}REGNUM}}{388}\entry {\code {FRAME{\_}POINTER{\_}REGNUM} and virtual registers}{261}\entry {\code {FRAME{\_}POINTER{\_}REQUIRED}}{390}\entry {\code {frame{\_}pointer{\_}rtx}}{389}\entry {\code {fscanf}, and constant strings}{201}\entry {\code {ftrunc\var {m}2} instruction pattern}{319}\entry {function attributes}{151}\entry {function call conventions}{237}\entry {function entry and exit}{401}\entry {function pointers, arithmetic}{148}\entry {function prototype declarations}{157}\entry {function units, for scheduling}{350}\entry {function, size of pointer to}{148}\entry {function-call insns}{287}\entry {\code {FUNCTION{\_}ARG}}{394}\entry {\code {FUNCTION{\_}ARG{\_}ADVANCE}}{397}\entry {\code {FUNCTION{\_}ARG{\_}BOUNDARY}}{397}\entry {\code {FUNCTION{\_}ARG{\_}CALLEE{\_}COPIES}}{396}\entry {\code {FUNCTION{\_}ARG{\_}PADDING}}{397}\entry {\code {FUNCTION{\_}ARG{\_}PARTIAL{\_}NREGS}}{395}\entry {\code {FUNCTION{\_}ARG{\_}PASS{\_}BY{\_}REFERENCE}}{395}\entry {\code {FUNCTION{\_}ARG{\_}REGNO{\_}P}}{397}\entry {\code {FUNCTION{\_}BLOCK{\_}PROFILER}}{406}\entry {\code {FUNCTION{\_}BLOCK{\_}PROFILER{\_}EXIT}}{408}\entry {\code {FUNCTION{\_}BOUNDARY}}{364}\entry {\code {FUNCTION{\_}CONVERSION{\_}BUG}}{470}\entry {\code {FUNCTION{\_}EPILOGUE}}{403}\entry {\code {FUNCTION{\_}EPILOGUE} and trampolines}{413}\entry {\code {FUNCTION{\_}INCOMING{\_}ARG}}{395}\entry {\code {FUNCTION{\_}MODE}}{465}\entry {\code {FUNCTION{\_}OUTGOING{\_}VALUE}}{398}\entry {\code {FUNCTION{\_}PROFILER}}{405}\entry {\code {FUNCTION{\_}PROLOGUE}}{401}\entry {\code {FUNCTION{\_}PROLOGUE} and trampolines}{413}\entry {\code {FUNCTION{\_}VALUE}}{398}\entry {\code {FUNCTION{\_}VALUE{\_}REGNO{\_}P}}{399}\entry {functions called via pointer on the RS/6000 and PowerPC}{155}\entry {functions in arbitrary sections}{151}\entry {functions that are passed arguments in registers on the 386}{151, 155}\entry {functions that do not pop the argument stack on the 386}{151}\entry {functions that do pop the argument stack on the 386}{155}\entry {functions that have no side effects}{151}\entry {functions that never return}{151}\entry {functions that pop the argument stack on the 386}{151, 155}\entry {functions which are exported from a dll on PowerPC Windows NT}{155}\entry {functions which are imported from a dll on PowerPC Windows NT}{155}\entry {functions which specify exception handling on PowerPC Windows NT}{156}\entry {functions with \code {printf} or \code {scanf} style arguments}{151}\entry {functions, leaf}{376}\initial {G}\entry {\samp {g} in constraint}{302}\entry {\samp {G} in constraint}{302}\entry {\code {g{\tt\char43}{\tt\char43}}}{16}\entry {G{\tt\char43}{\tt\char43}}{7}\entry {\code {g{\tt\char43}{\tt\char43} 1.\var {xx}}}{16}\entry {\code {g{\tt\char43}{\tt\char43}} older version}{16}\entry {\code {g{\tt\char43}{\tt\char43}}, separate compiler}{16}\entry {GCC}{7}\entry {\code {GCC{\_}EXEC{\_}PREFIX}}{92}\entry {\code {ge}}{269}\entry {\code {ge} and attributes}{342}\entry {\code {GEN{\_}ERRNO{\_}RTX}}{416}\entry {\code {gencodes}}{240}\entry {\code {genconfig}}{244}\entry {\code {general{\_}operand}}{294}\entry {\code {GENERAL{\_}REGS}}{379}\entry {generalized lvalues}{142}\entry {generating assembler output}{299}\entry {generating insns}{293}\entry {\code {genflags}}{240}\entry {\code {genflags}, crash on Sun 4}{191}\entry {\code {get{\_}attr}}{343}\entry {\code {get{\_}attr{\_}length}}{348}\entry {\code {GET{\_}CLASS{\_}NARROWEST{\_}MODE}}{258}\entry {\code {GET{\_}CODE}}{247}\entry {\code {get{\_}frame{\_}size}}{390}\entry {\code {get{\_}insns}}{279}\entry {\code {get{\_}last{\_}insn}}{279}\entry {\code {GET{\_}MODE}}{257}\entry {\code {GET{\_}MODE{\_}ALIGNMENT}}{257}\entry {\code {GET{\_}MODE{\_}BITSIZE}}{257}\entry {\code {GET{\_}MODE{\_}CLASS}}{257}\entry {\code {GET{\_}MODE{\_}MASK}}{257}\entry {\code {GET{\_}MODE{\_}NAME}}{257}\entry {\code {GET{\_}MODE{\_}NUNITS}}{258}\entry {\code {GET{\_}MODE{\_}SIZE}}{257}\entry {\code {GET{\_}MODE{\_}UNIT{\_}SIZE}}{257}\entry {\code {GET{\_}MODE{\_}WIDER{\_}MODE}}{257}\entry {\code {GET{\_}RTX{\_}CLASS}}{249}\entry {\code {GET{\_}RTX{\_}FORMAT}}{249}\entry {\code {GET{\_}RTX{\_}LENGTH}}{248}\entry {\code {geu}}{269}\entry {\code {geu} and attributes}{342}\entry {\code {GIV{\_}SORT{\_}CRITERION}}{468}\entry {global offset table}{90}\entry {global register after \code {longjmp}}{173}\entry {global register allocation}{243}\entry {global register variables}{172}\entry {\code {GLOBALDEF}}{230}\entry {\code {GLOBALREF}}{230}\entry {\code {GLOBALVALUEDEF}}{230}\entry {\code {GLOBALVALUEREF}}{230}\entry {GNU CC and portability}{235}\entry {GNU CC command options}{9}\entry {\code {GO{\_}IF{\_}LEGITIMATE{\_}ADDRESS}}{419}\entry {\code {GO{\_}IF{\_}MODE{\_}DEPENDENT{\_}ADDRESS}}{421}\entry {\code {goto} in C{\tt\char43}{\tt\char43}}{181}\entry {goto with computed label}{137}\entry {gp-relative references (MIPS)}{78}\entry {\code {gprof}}{35}\entry {greater than}{269}\entry {grouping options}{9}\entry {\code {gt}}{269}\entry {\code {gt} and attributes}{342}\entry {\code {gtu}}{269}\entry {\code {gtu} and attributes}{342}\initial {H}\entry {\samp {H} in constraint}{302}\entry {\code {HANDLE{\_}PRAGMA}}{466}\entry {hard registers}{260}\entry {\code {HARD{\_}FRAME{\_}POINTER{\_}REGNUM}}{388}\entry {\code {HARD{\_}REGNO{\_}MODE{\_}OK}}{374}\entry {\code {HARD{\_}REGNO{\_}NREGS}}{374}\entry {hardware models and configurations, specifying}{52}\entry {\code {HAS{\_}INIT{\_}SECTION}}{444}\entry {\code {HAVE{\_}ATEXIT}}{467}\entry {\code {HAVE{\_}POPEN}}{471}\entry {\code {HAVE{\_}POST{\_}DECREMENT}}{418}\entry {\code {HAVE{\_}POST{\_}INCREMENT}}{418}\entry {\code {HAVE{\_}PRE{\_}DECREMENT}}{418}\entry {\code {HAVE{\_}PRE{\_}INCREMENT}}{418}\entry {\code {HAVE{\_}PUTENV}}{471}\entry {\code {HAVE{\_}VPRINTF}}{470}\entry {header files and VMS}{229}\entry {\code {high}}{260}\entry {\code {HImode}}{255}\entry {\code {HImode}, in \code {insn}}{282}\entry {host makefile fragment}{475}\entry {\code {HOST{\_}BITS{\_}PER{\_}CHAR}}{469}\entry {\code {HOST{\_}BITS{\_}PER{\_}INT}}{469}\entry {\code {HOST{\_}BITS{\_}PER{\_}LONG}}{469}\entry {\code {HOST{\_}BITS{\_}PER{\_}SHORT}}{469}\entry {\code {HOST{\_}FLOAT{\_}FORMAT}}{469}\entry {\code {HOST{\_}FLOAT{\_}WORDS{\_}BIG{\_}ENDIAN}}{469}\entry {\code {HOST{\_}WORDS{\_}BIG{\_}ENDIAN}}{469}\entry {HPPA Options}{81}\initial {I}\entry {\samp {i} in constraint}{302}\entry {\samp {I} in constraint}{302}\entry {i386 Options}{79}\entry {IBM RS/6000 and PowerPC Options}{66}\entry {IBM RT options}{74}\entry {IBM RT PC}{199}\entry {identifier names, dollar signs in}{158}\entry {identifiers, names in assembler code}{171}\entry {identifying source, compiler (88k)}{63}\entry {\code {IEEE{\_}FLOAT{\_}FORMAT}}{368}\entry {\code {if{\_}then{\_}else}}{269}\entry {\code {if{\_}then{\_}else} and attributes}{342}\entry {\code {if{\_}then{\_}else} usage}{273}\entry {\code {immediate{\_}operand}}{294}\entry {\code {IMMEDIATE{\_}PREFIX}}{448}\entry {implicit argument: return value}{179}\entry {\code {IMPLICIT{\_}FIX{\_}EXPR}}{462}\entry {implied \code {#pragma implementation}}{182}\entry {\code {in{\_}data}}{428}\entry {\code {in{\_}struct}}{253}\entry {\code {in{\_}struct}, in \code {code{\_}label}}{252}\entry {\code {in{\_}struct}, in \code {insn}}{252, 253}\entry {\code {in{\_}struct}, in \code {label{\_}ref}}{252}\entry {\code {in{\_}struct}, in \code {mem}}{250}\entry {\code {in{\_}struct}, in \code {reg}}{251}\entry {\code {in{\_}struct}, in \code {subreg}}{251}\entry {\code {in{\_}text}}{428}\entry {include files and VMS}{229}\entry {\code {INCLUDE{\_}DEFAULTS}}{358}\entry {inclusive-or, bitwise}{267}\entry {\code {INCOMING{\_}REGNO}}{373}\entry {incompatibilities of GNU CC}{201}\entry {increment operators}{215}\entry {\code {INDEX{\_}REG{\_}CLASS}}{380}\entry {\code {indirect{\_}jump} instruction pattern}{324}\entry {\code {INIT{\_}CUMULATIVE{\_}ARGS}}{396}\entry {\code {INIT{\_}CUMULATIVE{\_}INCOMING{\_}ARGS}}{396}\entry {\code {INIT{\_}ENVIRONMENT}}{357}\entry {\code {INIT{\_}SECTION{\_}ASM{\_}OP}}{428, 444}\entry {\code {INIT{\_}TARGET{\_}OPTABS}}{416}\entry {\code {INITIAL{\_}ELIMINATION{\_}OFFSET}}{391}\entry {\code {INITIAL{\_}FRAME{\_}POINTER{\_}OFFSET}}{390}\entry {initialization routines}{442}\entry {initializations in expressions}{148}\entry {\code {INITIALIZE{\_}TRAMPOLINE}}{413}\entry {initializers with labeled elements}{149}\entry {initializers, non-constant}{148}\entry {\code {inline} automatic for C{\tt\char43}{\tt\char43} member fns}{166}\entry {inline functions}{166}\entry {inline functions, omission of}{166}\entry {inline, automatic}{240}\entry {inlining and C{\tt\char43}{\tt\char43} pragmas}{183}\entry {\code {insn}}{280}\entry {\code {insn} and \samp {/i}}{253}\entry {\code {insn} and \samp {/s}}{252}\entry {\code {insn} and \samp {/u}}{252}\entry {insn attributes}{340}\entry {insn canonicalization}{330}\entry {insn lengths, computing}{347}\entry {insn splitting}{338}\entry {\code {insn-attr.h}}{341}\entry {\code {INSN{\_}ANNULLED{\_}BRANCH{\_}P}}{252}\entry {\code {INSN{\_}CACHE{\_}DEPTH}}{414}\entry {\code {INSN{\_}CACHE{\_}LINE{\_}WIDTH}}{413}\entry {\code {INSN{\_}CACHE{\_}SIZE}}{413}\entry {\code {INSN{\_}CLOBBERS{\_}REGNO{\_}P}}{378}\entry {\code {INSN{\_}CODE}}{283}\entry {\code {INSN{\_}DELETED{\_}P}}{252}\entry {\code {INSN{\_}FROM{\_}TARGET{\_}P}}{252}\entry {\code {insn{\_}list}}{287}\entry {\code {INSN{\_}REFERENCES{\_}ARE{\_}DELAYED}}{467}\entry {\code {INSN{\_}SETS{\_}ARE{\_}DELAYED}}{467}\entry {\code {INSN{\_}UID}}{279}\entry {insns}{279}\entry {insns, generating}{293}\entry {insns, recognizing}{293}\entry {\code {INSTALL}}{475}\entry {installation trouble}{189}\entry {installing GNU CC}{97}\entry {installing GNU CC on the Sun}{127}\entry {installing GNU CC on VMS}{128}\entry {instruction attributes}{340}\entry {instruction combination}{242}\entry {instruction patterns}{291}\entry {instruction recognizer}{244}\entry {instruction scheduling}{242, 243}\entry {instruction splitting}{338}\entry {\code {insv} instruction pattern}{320}\entry {\code {INT{\_}TYPE{\_}SIZE}}{369}\entry {\code {INTEGRATE{\_}THRESHOLD}}{465}\entry {\code {integrated}}{254}