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| author | Gavin Koch <gavin@cygnus.com> | 1998-02-12 08:37:06 +0000 |
|---|---|---|
| committer | Gavin Romig-Koch <gavin@gcc.gnu.org> | 1998-02-12 08:37:06 +0000 |
| commit | 3871c609278860dacf2b324449a6d00e550d5121 (patch) | |
| tree | 28d04dcda5a79c52a12bb29f1ae2c2dfa0d43fa4 /gcc | |
| parent | 2e72fa6af1d3d3a808b2f0d3d951d35163c11d11 (diff) | |
| download | gcc-3871c609278860dacf2b324449a6d00e550d5121.zip gcc-3871c609278860dacf2b324449a6d00e550d5121.tar.gz gcc-3871c609278860dacf2b324449a6d00e550d5121.tar.bz2 | |
mips.c (movdi_operand): Direct referances to symbols that arn't mips16 consts in mips16 mode arn't...
* mips/mips.c (movdi_operand): Direct referances to symbols
that arn't mips16 consts in mips16 mode arn't valid operands.
* mips/mips.c (mips_move_2words): Add gprel handling.
From-SVN: r17867
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/mips/mips.c | 48 |
2 files changed, 51 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f72266e..e4a07cb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com> + + * mips/mips.c (movdi_operand): Direct referances to symbols + that arn't mips16 consts in mips16 mode arn't valid operands. + + * mips/mips.c (mips_move_2words): Add gprel handling. + Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com> * mips.md (extendsidi2): Allow extension to/from a non-mips16 diff --git a/gcc/config/mips/mips.c b/gcc/config/mips/mips.c index 072fb86..b7774b3 100644 --- a/gcc/config/mips/mips.c +++ b/gcc/config/mips/mips.c @@ -985,7 +985,10 @@ movdi_operand (op, mode) || immediate_operand (XEXP (op, 0), SImode))) return 1; - return general_operand (op, mode); + return (general_operand (op, mode) + && ! (TARGET_MIPS16 + && GET_CODE (op) == SYMBOL_REF + && ! mips16_constant (op, mode, 1, 0))); } /* Like register_operand, but when in 64 bit mode also accept a sign @@ -2316,9 +2319,7 @@ mips_move_2words (operands, insn) } } - else if (code1 == LABEL_REF - || code1 == SYMBOL_REF - || code1 == CONST) + else if (code1 == LABEL_REF) { if (TARGET_STATS) mips_count_memory_refs (op1, 2); @@ -2332,6 +2333,45 @@ mips_move_2words (operands, insn) else ret = "dla\t%0,%a1"; } + else if (code1 == SYMBOL_REF + || code1 == CONST) + { + if (TARGET_MIPS16 + && code1 == CONST + && GET_CODE (XEXP (op1, 0)) == REG + && REGNO (XEXP (op1, 0)) == GP_REG_FIRST + 28) + { + /* This case arises on the mips16; see + mips16_gp_pseudo_reg. */ + ret = "move\t%0,%+"; + } + else if (TARGET_MIPS16 + && code1 == SYMBOL_REF + && SYMBOL_REF_FLAG (op1) + && (XSTR (op1, 0)[0] != '*' + || strncmp (XSTR (op1, 0) + 1, + LOCAL_LABEL_PREFIX, + sizeof LOCAL_LABEL_PREFIX - 1) != 0)) + { + /* This can occur when reloading the address of a GP + relative symbol on the mips16. */ + ret = "move\t%0,%+\n\taddu\t%0,%%gprel(%a1)"; + } + else + { + if (TARGET_STATS) + mips_count_memory_refs (op1, 2); + + if (GET_CODE (operands[1]) == SIGN_EXTEND) + /* We deliberately remove the 'a' from '%1', so that we don't + have to add SIGN_EXTEND support to print_operand_address. + print_operand will just call print_operand_address in this + case, so there is no problem. */ + ret = "la\t%0,%1"; + else + ret = "dla\t%0,%a1"; + } + } } else if (code0 == MEM) |