diff options
| author | Anthony Green <green@moxielogic.com> | 2014-12-27 15:53:46 +0000 |
|---|---|---|
| committer | Anthony Green <green@gcc.gnu.org> | 2014-12-27 15:53:46 +0000 |
| commit | 982213b5ffeccdee4cb755d55009cc30aabd6016 (patch) | |
| tree | 43b65bc3116fab8157d1a8c4f686e4ab436fb272 /gcc/config/moxie/moxie.c | |
| parent | fd6cc689cc0a12c64095444d799b620144e66b57 (diff) | |
| download | gcc-982213b5ffeccdee4cb755d55009cc30aabd6016.tar.gz | |
Switch to 16-bit offsets for moxie ldo/sto instructions
From-SVN: r219080
Diffstat (limited to 'gcc/config/moxie/moxie.c')
| -rw-r--r-- | gcc/config/moxie/moxie.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gcc/config/moxie/moxie.c b/gcc/config/moxie/moxie.c index 1165e9ab50e..e6768e4258c 100644 --- a/gcc/config/moxie/moxie.c +++ b/gcc/config/moxie/moxie.c @@ -555,7 +555,6 @@ moxie_asm_trampoline_template (FILE *f) fprintf (f, "\tldi.l $r0, 0x0\n"); fprintf (f, "\tsto.l 0x8($fp), $r0\n"); fprintf (f, "\tpop $sp, $r0\n"); - fprintf (f, "\tnop\n"); fprintf (f, "\tjmpa 0x0\n"); } @@ -571,10 +570,28 @@ moxie_trampoline_init (rtx m_tramp, tree fndecl, rtx chain_value) mem = adjust_address (m_tramp, SImode, 4); emit_move_insn (mem, chain_value); - mem = adjust_address (m_tramp, SImode, 20); + mem = adjust_address (m_tramp, SImode, 16); emit_move_insn (mem, fnaddr); } +/* Return true for memory offset addresses between -32768 and 32767. */ +bool +moxie_offset_address_p (rtx x) +{ + x = XEXP (x, 0); + + if (GET_CODE (x) == PLUS) + { + x = XEXP (x, 1); + if (GET_CODE (x) == CONST_INT) + { + unsigned int v = INTVAL (x) & 0xFFFF8000; + return (v == 0xFFFF8000 || v == 0x00000000); + } + } + return 0; +} + /* The Global `targetm' Variable. */ /* Initialize the GCC target structure. */ |