.if n .sp
.if t .sp 0.4
..
-.Id $Id: gcc.1,v 1.14 2000/04/11 06:01:52 loewis Exp $
+.Id $Id: gcc.1,v 1.17 2000/09/13 19:34:05 ciceron Exp $
.TH GCC 1 "\*(Dt" "GNU Tools" "GNU Tools"
.SH NAME
gcc, g++ \- GNU project C and C++ Compiler (gcc-2.96)
\-nostdinc
\-P
.RI \-U macro
-\-undef
.TP
.B Assembler Option
.RI \-Wa, option
\-mshort
\-msoft\-float
.Sp
+.I M68hc1x\ Options
+.br
+\-m68hc11
+\-m68hc12
+\-mshort
+\-msoft\-reg\-count \fInum\fP
+\-mauto-incdec
+.Sp
.I VAX Options
.br
\-mg
.B libg++\c
\&\|'.)
.TP
-.B \-undef
-Do not predefine any nonstandard macros. (Including architecture flags).
-.TP
.B \-E
Run only the C preprocessor. Preprocess all the C source files
specified and output the results to standard output or to the
Annotate the assembler output with a comment indicating which
pattern and alternative was used.
.TP
+.B \-dP
+Dump the RTL in the assembler output as a comment before each instruction.
+Also turns on
+.B \-dp
+annotation.
+.TP
.B \-fpretend\-float
When running a cross-compiler, pretend that the target machine uses the
same floating point format as the host machine. This causes incorrect
.PP
These `\|\c
.B \-m\c
+\&\|' options are defined for the Motorola 68HC11 and 68HC12:
+.TP
+.B \-m68hc11
+Generate output for a 68HC11. This is the default when the compiler
+is configured for a 68HC11-based target.
+.TP
+.B \-m68hc12
+Generate output for a 68HC12. This is the default when the compiler
+is configured for a 68HC12-based target.
+.TP
+.B \-mshort
+Consider type \c
+.B int\c
+\& to be 16 bits wide, like \c
+.B short int\c
+\&.
+.TP
+.B \-msoft-reg-count=\fInum\fP
+Specify the number of pseudo-soft registers which are used for the
+code generation. The maximum number is 32. Using more pseudo-soft
+register may or may not result in better code depending on the program.
+The default is 4 for 68HC11 and 2 for 68HC12.
+.TP
+.B \-mauto-incdec
+Enable the use of 68HC12 pre and post auto-increment and auto-decrement
+addressing modes.
+.PP
+These `\|\c
+.B \-m\c
\&\|' options are defined for the Vax:
.TP
.B \-munix