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| author | DJ Delorie <dj@redhat.com> | 2015-06-05 01:00:05 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@gcc.gnu.org> | 2015-06-05 01:00:05 -0400 |
| commit | 14ae1d88b337dcd79f6bfe29263b8a8ae07c38b3 (patch) | |
| tree | b9a36265a813a664354fe926455cefe5075688df /gcc | |
| parent | b1ada49be04014013fb915d5a056bf7facd7a5f7 (diff) | |
| download | gcc-14ae1d88b337dcd79f6bfe29263b8a8ae07c38b3.zip gcc-14ae1d88b337dcd79f6bfe29263b8a8ae07c38b3.tar.gz gcc-14ae1d88b337dcd79f6bfe29263b8a8ae07c38b3.tar.bz2 | |
msp430.md (movsi_s): New.
* config/msp430/msp430.md (movsi_s): New. Special case for
storing a 20-bit symbol into a 32-bit register.
* config/msp430/msp430.c (msp430_subreg): Add support for it.
* config/msp430/predicates.md (msp430_symbol_operand): New.
From-SVN: r224145
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/config/msp430/msp430.c | 7 | ||||
| -rw-r--r-- | gcc/config/msp430/msp430.md | 13 | ||||
| -rw-r--r-- | gcc/config/msp430/predicates.md | 4 |
4 files changed, 31 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2ad6068..a052bd3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2015-06-04 DJ Delorie <dj@redhat.com> + + * config/msp430/msp430.md (movsi_s): New. Special case for + storing a 20-bit symbol into a 32-bit register. + * config/msp430/msp430.c (msp430_subreg): Add support for it. + * config/msp430/predicates.md (msp430_symbol_operand): New. + 2015-06-04 Sriraman Tallam <tmsriram@google.com> * c-family/c-common.c (noplt): New attribute. diff --git a/gcc/config/msp430/msp430.c b/gcc/config/msp430/msp430.c index f99cb60..1c18047 100644 --- a/gcc/config/msp430/msp430.c +++ b/gcc/config/msp430/msp430.c @@ -2374,6 +2374,13 @@ msp430_subreg (machine_mode mode, rtx r, machine_mode omode, int byte) } else if (GET_CODE (r) == MEM) rv = adjust_address (r, mode, byte); + else if (GET_CODE (r) == SYMBOL_REF + && (byte == 0 || byte == 2) + && mode == HImode) + { + rv = gen_rtx_ZERO_EXTRACT (HImode, r, GEN_INT (16), GEN_INT (8*byte)); + rv = gen_rtx_CONST (HImode, r); + } else rv = simplify_gen_subreg (mode, r, omode, byte); diff --git a/gcc/config/msp430/msp430.md b/gcc/config/msp430/msp430.md index 64fdc45..ad8fb7a 100644 --- a/gcc/config/msp430/msp430.md +++ b/gcc/config/msp430/msp430.md @@ -214,6 +214,19 @@ "" ) +(define_insn_and_split "movsi_s" + [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") + (subreg:SI (match_operand:PSI 1 "msp430_symbol_operand" "i") 0))] + "" + "" + "reload_completed" + [(set (match_operand:HI 2 "nonimmediate_operand") + (match_operand:HI 4 "general_operand")) + (set (match_operand:HI 3 "nonimmediate_operand") + (match_operand:HI 5 "general_operand"))] + "msp430_split_movsi (operands);" + ) + (define_insn_and_split "movsi_x" [(set (match_operand:SI 0 "nonimmediate_operand" "=rm") (match_operand:SI 1 "general_operand" "rmi"))] diff --git a/gcc/config/msp430/predicates.md b/gcc/config/msp430/predicates.md index 1331ff6..5902339 100644 --- a/gcc/config/msp430/predicates.md +++ b/gcc/config/msp430/predicates.md @@ -82,3 +82,7 @@ (and (match_code "const_int") (match_test (" INTVAL (op) >= 0 && INTVAL (op) <= 15 ")))) + +(define_predicate "msp430_symbol_operand" + (match_code "symbol_ref") +) |