From: Richard Kenner Date: Tue, 6 Nov 2001 14:47:43 +0000 (+0000) Subject: rtl.h (mem_for_const_double): New declaration. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=03f5402658f745ab297ed24216311dcefe4ca633;p=gcc.git rtl.h (mem_for_const_double): New declaration. * rtl.h (mem_for_const_double): New declaration. * varasm.c (mem_for_const_double): New function. * config/convex/convex.md (movdf): Use it. * config/m68k/hp320.h (LEGITIMATE_PIC_OPERAND_P): Likewise. * config/m68k/linux.h, config/m68k/m68k.h: Likewise. * config/m68k/m68kv4.h: Likewise. From-SVN: r46808 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 98708ec930a..c62be21ecab 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,12 @@ Tue Nov 6 09:21:34 2001 Richard Kenner + * rtl.h (mem_for_const_double): New declaration. + * varasm.c (mem_for_const_double): New function. + * config/convex/convex.md (movdf): Use it. + * config/m68k/hp320.h (LEGITIMATE_PIC_OPERAND_P): Likewise. + * config/m68k/linux.h, config/m68k/m68k.h: Likewise. + * config/m68k/m68kv4.h: Likewise. + * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Adjust for addition of new GP reg classes. diff --git a/gcc/config/convex/convex.md b/gcc/config/convex/convex.md index 31ee5eec4c0..3ff36edcd33 100644 --- a/gcc/config/convex/convex.md +++ b/gcc/config/convex/convex.md @@ -206,7 +206,7 @@ (define_insn "" [(set (match_operand:DF 0 "register_operand" "=d") (match_operand:DF 1 "const_double_operand" "F"))] - "CONST_DOUBLE_MEM (operands[1]) == const0_rtx" + "mem_for_const_double (operands[1]) == 0" "ld.u %u1,%0\;ld.w %v1,%0" [(set_attr "type" "xalu")]) diff --git a/gcc/config/m68k/hp320.h b/gcc/config/m68k/hp320.h index ac87eddbe27..6bb86d3c559 100644 --- a/gcc/config/m68k/hp320.h +++ b/gcc/config/m68k/hp320.h @@ -625,10 +625,11 @@ do { register int i; \ #undef LEGITIMATE_PIC_OPERAND_P #define LEGITIMATE_PIC_OPERAND_P(X) \ ((! symbolic_operand (X, VOIDmode) \ - && ! (GET_CODE (X) == CONST_DOUBLE && CONST_DOUBLE_MEM (X) \ - && GET_CODE (CONST_DOUBLE_MEM (X)) == MEM \ - && symbolic_operand (XEXP (CONST_DOUBLE_MEM (X), 0), VOIDmode))) \ - || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ + && ! (GET_CODE (X) == CONST_DOUBLE && mem_for_const_double (X) != 0 \ + && GET_CODE (mem_for_const_double (X)) == MEM \ + && symbolic_operand (XEXP (mem_for_const_double (X), 0), \ + VOIDmode))) \ + || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ || PCREL_GENERAL_OPERAND_OK) /* hpux8 and later have C++ compatible include files, so do not diff --git a/gcc/config/m68k/linux.h b/gcc/config/m68k/linux.h index 6c3c8f0ddd0..256d790ccf9 100644 --- a/gcc/config/m68k/linux.h +++ b/gcc/config/m68k/linux.h @@ -310,10 +310,11 @@ do { \ #undef LEGITIMATE_PIC_OPERAND_P #define LEGITIMATE_PIC_OPERAND_P(X) \ ((! symbolic_operand (X, VOIDmode) \ - && ! (GET_CODE (X) == CONST_DOUBLE && CONST_DOUBLE_MEM (X) \ - && GET_CODE (CONST_DOUBLE_MEM (X)) == MEM \ - && symbolic_operand (XEXP (CONST_DOUBLE_MEM (X), 0), VOIDmode))) \ - || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ + && ! (GET_CODE (X) == CONST_DOUBLE && mem_for_const_double (X) != 0 \ + && GET_CODE (mem_for_const_double (X)) == MEM \ + && symbolic_operand (XEXP (mem_for_const_double (X), 0), \ + VOIDmode))) \ + || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ || PCREL_GENERAL_OPERAND_OK) /* Turn off function cse if we are doing PIC. We always want function diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h index 914b9b41a49..fad64082b57 100644 --- a/gcc/config/m68k/m68k.h +++ b/gcc/config/m68k/m68k.h @@ -1459,11 +1459,11 @@ __transfer_from_trampoline () \ #define LEGITIMATE_PIC_OPERAND_P(X) \ ((! symbolic_operand (X, VOIDmode) \ - && ! (GET_CODE (X) == CONST_DOUBLE && CONST_DOUBLE_MEM (X) \ - && GET_CODE (CONST_DOUBLE_MEM (X)) == MEM \ - && symbolic_operand (XEXP (CONST_DOUBLE_MEM (X), 0), \ - VOIDmode))) \ - || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ + && ! (GET_CODE (X) == CONST_DOUBLE && mem_for_const_double (X) != 0 \ + && GET_CODE (mem_for_const_double (X)) == MEM \ + && symbolic_operand (XEXP (mem_for_const_double (X), 0), \ + VOIDmode))) \ + || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ || PCREL_GENERAL_OPERAND_OK) /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx diff --git a/gcc/config/m68k/m68kv4.h b/gcc/config/m68k/m68kv4.h index 4914cf47ead..e10b6e5e506 100644 --- a/gcc/config/m68k/m68kv4.h +++ b/gcc/config/m68k/m68kv4.h @@ -278,10 +278,11 @@ int switch_table_difference_label_flag; #undef LEGITIMATE_PIC_OPERAND_P #define LEGITIMATE_PIC_OPERAND_P(X) \ ((! symbolic_operand (X, VOIDmode) \ - && ! (GET_CODE (X) == CONST_DOUBLE && CONST_DOUBLE_MEM (X) \ - && GET_CODE (CONST_DOUBLE_MEM (X)) == MEM \ - && symbolic_operand (XEXP (CONST_DOUBLE_MEM (X), 0), VOIDmode))) \ - || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ + && ! (GET_CODE (X) == CONST_DOUBLE && mem_for_const_double (X) != 0 \ + && GET_CODE (mem_for_const_double (X)) == MEM \ + && symbolic_operand (XEXP (mem_for_const_double (X), 0), \ + VOIDmode))) \ + || (GET_CODE (X) == SYMBOL_REF && SYMBOL_REF_FLAG (X)) \ || PCREL_GENERAL_OPERAND_OK) /* Turn off function cse if we are doing PIC. We always want function call diff --git a/gcc/rtl.h b/gcc/rtl.h index 6260f57feea..872d70dbf77 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -1273,6 +1273,7 @@ extern rtx gen_sequence PARAMS ((void)); /* In varasm.c */ extern rtx immed_double_const PARAMS ((HOST_WIDE_INT, HOST_WIDE_INT, enum machine_mode)); +extern rtx mem_for_const_double PARAMS ((rtx)); extern rtx force_const_mem PARAMS ((enum machine_mode, rtx)); /* In varasm.c */ diff --git a/gcc/varasm.c b/gcc/varasm.c index ebdac3bced3..064a6caa3f1 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -3756,6 +3756,24 @@ record_constant_rtx (mode, x) return ptr; } +/* Given a constant rtx X, return a MEM for the location in memory at which + this constant has been placed. Return 0 if it not has been placed yet. */ + +rtx +mem_for_const_double (x) + rtx x; +{ + enum machine_mode mode = GET_MODE (x); + struct constant_descriptor *desc; + + for (desc = const_rtx_hash_table[const_hash_rtx (mode, x)]; desc; + desc = desc->next) + if (compare_constant_rtx (mode, x, desc)) + return desc->rtl; + + return 0; +} + /* Given a constant rtx X, make (or find) a memory constant for its value and return a MEM rtx to refer to it in memory. */