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| author | Clinton Popetz <cpopetz@cpopetz.com> | 2000-01-14 17:58:29 +0000 |
|---|---|---|
| committer | Clinton Popetz <cpopetz@cpopetz.com> | 2000-01-14 17:58:29 +0000 |
| commit | a19d8eb03e2cf8ba0bf15f98e4f5b1e7d693b6f3 (patch) | |
| tree | 8ac8d563f995fa4fb54dfb00b5f48d9f8fcaeac3 | |
| parent | 6b3b007bde0f9f46d184b8ecac57e1f91d3571f6 (diff) | |
| download | gdb-a19d8eb03e2cf8ba0bf15f98e4f5b1e7d693b6f3.zip gdb-a19d8eb03e2cf8ba0bf15f98e4f5b1e7d693b6f3.tar.gz gdb-a19d8eb03e2cf8ba0bf15f98e4f5b1e7d693b6f3.tar.bz2 | |
2000-01-13 Clinton Popetz <cpopetz@cygnus.com>
* config/tc-mips.c (mips_do_align): New function.
* config/tc-mips.h (md_do_align): Define.
| -rw-r--r-- | gas/ChangeLog | 5 | ||||
| -rw-r--r-- | gas/config/tc-mips.c | 30 | ||||
| -rw-r--r-- | gas/config/tc-mips.h | 3 |
3 files changed, 38 insertions, 0 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 99857e5..db21fcb 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,8 @@ +2000-01-13 Clinton Popetz <cpopetz@cygnus.com> + + * config/tc-mips.c (mips_do_align): New function. + * config/tc-mips.h (md_do_align): Define. + 2000-01-10 Philip Blundell <philb@gnu.org> * doc/c-arm.texi (ARM Options): Fix typo. diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index d2fdca7..723357a 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -11436,6 +11436,36 @@ static procS cur_proc; static procS *cur_proc_ptr; static int numprocs; +/* When we align code in the .text section of mips16, use the correct two + byte nop pattern of 0x6500 (move $0,$0) */ + +int +mips_do_align (n, fill, len, max) + int n; + const char *fill; + int len; + int max; +{ + if (fill == NULL + && subseg_text_p (now_seg) + && n > 1 + && mips_opts.mips16) + { + static const unsigned char be_nop[] = { 0x65, 0x00 }; + static const unsigned char le_nop[] = { 0x00, 0x65 }; + + frag_align (1, 0, 0); + + if (target_big_endian) + frag_align_pattern (n, be_nop, 2, max); + else + frag_align_pattern (n, le_nop, 2, max); + return 1; + } + + return 0; +} + static void md_obj_begin () { diff --git a/gas/config/tc-mips.h b/gas/config/tc-mips.h index ccfd998..a17c642 100644 --- a/gas/config/tc-mips.h +++ b/gas/config/tc-mips.h @@ -55,6 +55,9 @@ extern int mips_relax_frag PARAMS ((struct frag *, long)); #define md_undefined_symbol(name) (0) #define md_operand(x) +extern int mips_do_align PARAMS ((int, const char *, int, int)); +#define md_do_align(n,fill,len,max,l) if (mips_do_align (n,fill,len,max)) goto l + /* We permit PC relative difference expressions when generating embedded PIC code. */ #define DIFF_EXPR_OK |