diff options
Diffstat (limited to 'gcc/config/sparc/sparc.h')
| -rw-r--r-- | gcc/config/sparc/sparc.h | 43 |
1 files changed, 36 insertions, 7 deletions
diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index 4dcff9105f0..7c6a7fd1d72 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -1366,7 +1366,8 @@ extern char leaf_reg_remap[]; `K' is used for constants which can be loaded with a single sethi insn. `L' is used for the range of constants supported by the movcc insns. `M' is used for the range of constants supported by the movrcc insns. - `N' is like K, but for constants wider than 32 bits. */ + `N' is like K, but for constants wider than 32 bits. + `O' is used for the range which is just 4096. */ #define SPARC_SIMM10_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x200 < 0x400) #define SPARC_SIMM11_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x400 < 0x800) @@ -1390,6 +1391,7 @@ extern char leaf_reg_remap[]; : (C) == 'L' ? SPARC_SIMM11_P (VALUE) \ : (C) == 'M' ? SPARC_SIMM10_P (VALUE) \ : (C) == 'N' ? SPARC_SETHI_P (VALUE) \ + : (C) == 'O' ? (VALUE) == 4096 \ : 0) /* Similar, but for floating constants, and defining letters G and H. @@ -1398,6 +1400,7 @@ extern char leaf_reg_remap[]; #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \ ((C) == 'G' ? fp_zero_operand (VALUE, GET_MODE (VALUE)) \ : (C) == 'H' ? arith_double_operand (VALUE, DImode) \ + : (C) == 'O' ? arith_double_4096_operand (VALUE, DImode) \ : 0) /* Given an rtx X being reloaded into a reg required to be @@ -2205,6 +2208,8 @@ do { \ If you change this, execute "rm explow.o recog.o reload.o". */ +#define SYMBOLIC_CONST(X) symbolic_operand (X, VOIDmode) + #define RTX_OK_FOR_BASE_P(X) \ ((GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) \ || (GET_CODE (X) == SUBREG \ @@ -2238,6 +2243,8 @@ do { \ && GET_CODE (op1) != REG \ && GET_CODE (op1) != LO_SUM \ && GET_CODE (op1) != MEM \ + && (! SYMBOLIC_CONST (op1) \ + || MODE == Pmode) \ && (GET_CODE (op1) != CONST_INT \ || SMALL_INT (op1))) \ goto ADDR; \ @@ -2325,6 +2332,34 @@ do { \ else if (GET_CODE (X) == CONST_INT && SMALL_INT (X)) \ goto ADDR; \ } + +/* Go to LABEL if ADDR (a legitimate address expression) + has an effect that depends on the machine mode it is used for. + + In PIC mode, + + (mem:HI [%l7+a]) + + is not equivalent to + + (mem:QI [%l7+a]) (mem:QI [%l7+a+1]) + + because [%l7+a+1] is interpreted as the address of (a+1). */ + +#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) \ +{ \ + if (flag_pic == 1) \ + { \ + if (GET_CODE (ADDR) == PLUS) \ + { \ + rtx op0 = XEXP (ADDR, 0); \ + rtx op1 = XEXP (ADDR, 1); \ + if (op0 == pic_offset_table_rtx \ + && SYMBOLIC_CONST (op1)) \ + goto LABEL; \ + } \ + } \ +} /* Try machine-dependent ways of modifying an illegitimate address to be legitimate. If we find one, return the new, valid address. @@ -2402,12 +2437,6 @@ do { \ } \ /* ??? 64-bit reloads. */ \ } while (0) - -/* Go to LABEL if ADDR (a legitimate address expression) - has an effect that depends on the machine mode it is used for. - On the SPARC this is never true. */ - -#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) /* Specify the machine mode that this machine uses for the index in the tablejump instruction. */ |