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| author | Jim Wilson <wilson@gcc.gnu.org> | 1996-06-17 12:00:17 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1996-06-17 12:00:17 -0700 |
| commit | ce57d6f4d1aead4ca9b4bd2ff6dc6f5130f27e0f (patch) | |
| tree | 2b0e453fd547d92d544c4f7b8a4864e78c5644ee /gcc | |
| parent | 910628b87e6ba31e1e28813593991a03a4a125e5 (diff) | |
| download | gcc-ce57d6f4d1aead4ca9b4bd2ff6dc6f5130f27e0f.zip gcc-ce57d6f4d1aead4ca9b4bd2ff6dc6f5130f27e0f.tar.gz gcc-ce57d6f4d1aead4ca9b4bd2ff6dc6f5130f27e0f.tar.bz2 | |
(mips_split_addresses, mips_check_split, move_operand):
New declarations
(GO_IF_LEGITIMATE_ADDRESS): Reject constant addresses when
mips_split_addresses is TRUE. Add LO_SUM support.
(LEGITIMIZE_ADDRESS): Add LO_SUM support.
(PREDICATE_CODES): Modify call_insn_operand support. Add
move_operand.
From-SVN: r12286
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/mips/mips.h | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/gcc/config/mips/mips.h b/gcc/config/mips/mips.h index 043a992..9db54b4 100644 --- a/gcc/config/mips/mips.h +++ b/gcc/config/mips/mips.h @@ -138,6 +138,7 @@ extern int mips_isa; /* architectural level */ extern char *mips_cpu_string; /* for -mcpu=<xxx> */ extern char *mips_isa_string; /* for -mips{1,2,3,4} */ extern char *mips_abi_string; /* for -misa={32,n32,64} */ +extern int mips_split_addresses; /* perform high/lo_sum support */ extern int dslots_load_total; /* total # load related delay slots */ extern int dslots_load_filled; /* # filled load delay slots */ extern int dslots_jump_total; /* total # jump related delay slots */ @@ -180,6 +181,7 @@ extern void mips_declare_object (); extern int mips_epilogue_delay_slots (); extern void mips_expand_epilogue (); extern void mips_expand_prologue (); +extern int mips_check_split (); extern char *mips_fill_delay_slot (); extern char *mips_move_1word (); extern char *mips_move_2words (); @@ -214,6 +216,7 @@ extern int nonimmediate_operand (); extern int nonmemory_operand (); extern int register_operand (); extern int scratch_operand (); +extern int move_operand (); /* Functions to change what output section we are using. */ extern void data_section (); @@ -2350,9 +2353,20 @@ typedef struct mips_args { if (GET_CODE (xinsn) == REG && REG_OK_FOR_BASE_P (xinsn)) \ goto ADDR; \ \ - if (CONSTANT_ADDRESS_P (xinsn)) \ + if (CONSTANT_ADDRESS_P (xinsn) \ + && ! (mips_split_addresses && mips_check_split (xinsn, MODE))) \ goto ADDR; \ \ + if (GET_CODE (xinsn) == LO_SUM && mips_split_addresses) \ + { \ + register rtx xlow0 = XEXP (xinsn, 0); \ + register rtx xlow1 = XEXP (xinsn, 1); \ + \ + if (GET_CODE (xlow0) == REG && REG_OK_FOR_BASE_P (xlow0) \ + && mips_check_split (xlow1, MODE)) \ + goto ADDR; \ + } \ + \ if (GET_CODE (xinsn) == PLUS) \ { \ register rtx xplus0 = XEXP (xinsn, 0); \ @@ -2396,6 +2410,7 @@ typedef struct mips_args { if (!TARGET_DEBUG_A_MODE \ && mips_abi == ABI_32 \ && CONSTANT_ADDRESS_P (xplus1) \ + && ! mips_split_addresses \ && (!TARGET_EMBEDDED_PIC \ || code1 != CONST \ || GET_CODE (XEXP (xplus1, 0)) != MINUS)) \ @@ -2493,6 +2508,14 @@ typedef struct mips_args { GO_DEBUG_RTX (xinsn); \ } \ \ + if (mips_split_addresses && mips_check_split (X, MODE)) \ + { \ + /* ??? Is this ever executed? */ \ + X = gen_rtx (LO_SUM, Pmode, \ + copy_to_mode_reg (Pmode, gen_rtx (HIGH, Pmode, X)), X); \ + goto WIN; \ + } \ + \ if (GET_CODE (xinsn) == CONST \ && ((flag_pic && pic_address_needs_scratch (xinsn)) \ /* ??? SGI's Irix 6 assembler can't handle CONST. */ \ @@ -3034,7 +3057,10 @@ while (0) {"cmp_op", { EQ, NE, GT, GE, GTU, GEU, LT, LE, \ LTU, LEU }}, \ {"pc_or_label_operand", { PC, LABEL_REF }}, \ - {"call_insn_operand", { MEM }}, \ + {"call_insn_operand", { CONST_INT, CONST, SYMBOL_REF, REG}}, \ + {"move_operand", { CONST_INT, CONST_DOUBLE, CONST, \ + SYMBOL_REF, LABEL_REF, SUBREG, \ + REG, MEM}}, \ /* If defined, a C statement to be executed just prior to the |