From e7c6980e55d974035a4d85b3551eca47181d1bfc Mon Sep 17 00:00:00 2001 From: Anatoly Sokolov Date: Fri, 30 Oct 2015 01:00:06 +0300 Subject: [PATCH] [MCORE] Hookize GO_IF_LEGITIMATE_ADDRESS From-SVN: r229561 --- gcc/ChangeLog | 10 +++++ gcc/config/mcore/mcore.c | 75 +++++++++++++++++++++++++++++++++++ gcc/config/mcore/mcore.h | 85 ---------------------------------------- 3 files changed, 85 insertions(+), 85 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2ff1db6a048..70895a604fd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,13 @@ +2015-08-29 Anatoly Sokolov + + * config/mcore/mcore.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, + BASE_REGISTER_RTX_P, INDEX_REGISTER_RTX_P, + GO_IF_LEGITIMATE_ADDRESS): Remove macros. + * config/mcore/mcore.c (mcore_reg_ok_for_base_p, + mcore_base_register_rtx_p, mcore_legitimate_index_p, + mcore_legitimate_address_p): New functions. + (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define. + 2015-10-29 Jeff Law * tree-ssa-scopedtables.h (const_and_copies): Remove invalidate diff --git a/gcc/config/mcore/mcore.c b/gcc/config/mcore/mcore.c index bad2209d1c6..b42f633f696 100644 --- a/gcc/config/mcore/mcore.c +++ b/gcc/config/mcore/mcore.c @@ -139,6 +139,8 @@ static void mcore_trampoline_init (rtx, tree, rtx); static bool mcore_warn_func_return (tree); static void mcore_option_override (void); static bool mcore_legitimate_constant_p (machine_mode, rtx); +static bool mcore_legitimate_address_p (machine_mode, rtx, bool, + addr_space_t); /* MCore specific attributes. */ @@ -226,6 +228,8 @@ static const struct attribute_spec mcore_attribute_table[] = #undef TARGET_LEGITIMATE_CONSTANT_P #define TARGET_LEGITIMATE_CONSTANT_P mcore_legitimate_constant_p +#undef TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P +#define TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P mcore_legitimate_address_p #undef TARGET_WARN_FUNC_RETURN #define TARGET_WARN_FUNC_RETURN mcore_warn_func_return @@ -3179,3 +3183,74 @@ mcore_legitimate_constant_p (machine_mode mode ATTRIBUTE_UNUSED, rtx x) { return GET_CODE (x) != CONST_DOUBLE; } + +/* Helper function for `mcore_legitimate_address_p'. */ + +static bool +mcore_reg_ok_for_base_p (const_rtx reg, bool strict_p) +{ + if (strict_p) + return REGNO_OK_FOR_BASE_P (REGNO (reg)); + else + return (REGNO (reg) <= 16 || !HARD_REGISTER_P (reg)); +} + +static bool +mcore_base_register_rtx_p (const_rtx x, bool strict_p) +{ + return REG_P(x) && mcore_reg_ok_for_base_p (x, strict_p); +} + +/* A legitimate index for a QI is 0..15, for HI is 0..30, for SI is 0..60, + and for DI is 0..56 because we use two SI loads, etc. */ + +static bool +mcore_legitimate_index_p (machine_mode mode, const_rtx op) +{ + if (CONST_INT_P (op)) + { + if (GET_MODE_SIZE (mode) >= 4 + && (((unsigned HOST_WIDE_INT) INTVAL (op)) % 4) == 0 + && ((unsigned HOST_WIDE_INT) INTVAL (op)) + <= (unsigned HOST_WIDE_INT) 64 - GET_MODE_SIZE (mode)) + return true; + if (GET_MODE_SIZE (mode) == 2 + && (((unsigned HOST_WIDE_INT) INTVAL (op)) % 2) == 0 + && ((unsigned HOST_WIDE_INT) INTVAL (op)) <= 30) + return true; + if (GET_MODE_SIZE (mode) == 1 + && ((unsigned HOST_WIDE_INT) INTVAL (op)) <= 15) + return true; + } + return false; +} + + +/* Worker function for TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P. + + Allow REG + REG + disp */ + +static bool +mcore_legitimate_address_p (machine_mode mode, rtx x, bool strict_p, + addr_space_t as) +{ + gcc_assert (ADDR_SPACE_GENERIC_P (as)); + + if (mcore_base_register_rtx_p (x, strict_p)) + return true; + else if (GET_CODE (x) == PLUS || GET_CODE (x) == LO_SUM) + { + rtx xop0 = XEXP (x, 0); + rtx xop1 = XEXP (x, 1); + if (mcore_base_register_rtx_p (xop0, strict_p) + && mcore_legitimate_index_p (mode, xop1)) + return true; + if (mcore_base_register_rtx_p (xop1, strict_p) + && mcore_legitimate_index_p (mode, xop0)) + return true; + } + + return false; +} + diff --git a/gcc/config/mcore/mcore.h b/gcc/config/mcore/mcore.h index 999d53603e1..21952d1bcfb 100644 --- a/gcc/config/mcore/mcore.h +++ b/gcc/config/mcore/mcore.h @@ -529,91 +529,6 @@ extern const enum reg_class regno_reg_class[FIRST_PSEUDO_REGISTER]; /* Recognize any constant value that is a valid address. */ #define CONSTANT_ADDRESS_P(X) (GET_CODE (X) == LABEL_REF) -/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx - and check its validity for a certain class. - We have two alternate definitions for each of them. - The usual definition accepts all pseudo regs; the other rejects - them unless they have been allocated suitable hard regs. - The symbol REG_OK_STRICT causes the latter definition to be used. */ -#ifndef REG_OK_STRICT - -/* Nonzero if X is a hard reg that can be used as a base reg - or if it is a pseudo reg. */ -#define REG_OK_FOR_BASE_P(X) \ - (REGNO (X) <= 16 || REGNO (X) >= FIRST_PSEUDO_REGISTER) - -/* Nonzero if X is a hard reg that can be used as an index - or if it is a pseudo reg. */ -#define REG_OK_FOR_INDEX_P(X) 0 - -#else - -/* Nonzero if X is a hard reg that can be used as a base reg. */ -#define REG_OK_FOR_BASE_P(X) \ - REGNO_OK_FOR_BASE_P (REGNO (X)) - -/* Nonzero if X is a hard reg that can be used as an index. */ -#define REG_OK_FOR_INDEX_P(X) 0 - -#endif -/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression - that is a valid memory address for an instruction. - The MODE argument is the machine mode for the MEM expression - that wants to use this address. - - The other macros defined here are used only in GO_IF_LEGITIMATE_ADDRESS. */ -#define BASE_REGISTER_RTX_P(X) \ - (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) - -#define INDEX_REGISTER_RTX_P(X) \ - (GET_CODE (X) == REG && REG_OK_FOR_INDEX_P (X)) - - -/* Jump to LABEL if X is a valid address RTX. This must also take - REG_OK_STRICT into account when deciding about valid registers, but it uses - the above macros so we are in luck. - - Allow REG - REG+disp - - A legitimate index for a QI is 0..15, for HI is 0..30, for SI is 0..60, - and for DI is 0..56 because we use two SI loads, etc. */ -#define GO_IF_LEGITIMATE_INDEX(MODE, REGNO, OP, LABEL) \ - do \ - { \ - if (GET_CODE (OP) == CONST_INT) \ - { \ - if (GET_MODE_SIZE (MODE) >= 4 \ - && (((unsigned HOST_WIDE_INT) INTVAL (OP)) % 4) == 0 \ - && ((unsigned HOST_WIDE_INT) INTVAL (OP)) \ - <= (unsigned HOST_WIDE_INT) 64 - GET_MODE_SIZE (MODE)) \ - goto LABEL; \ - if (GET_MODE_SIZE (MODE) == 2 \ - && (((unsigned HOST_WIDE_INT) INTVAL (OP)) % 2) == 0 \ - && ((unsigned HOST_WIDE_INT) INTVAL (OP)) <= 30) \ - goto LABEL; \ - if (GET_MODE_SIZE (MODE) == 1 \ - && ((unsigned HOST_WIDE_INT) INTVAL (OP)) <= 15) \ - goto LABEL; \ - } \ - } \ - while (0) - -#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, LABEL) \ -{ \ - if (BASE_REGISTER_RTX_P (X)) \ - goto LABEL; \ - else if (GET_CODE (X) == PLUS || GET_CODE (X) == LO_SUM) \ - { \ - rtx xop0 = XEXP (X,0); \ - rtx xop1 = XEXP (X,1); \ - if (BASE_REGISTER_RTX_P (xop0)) \ - GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop0), xop1, LABEL); \ - if (BASE_REGISTER_RTX_P (xop1)) \ - GO_IF_LEGITIMATE_INDEX (MODE, REGNO (xop1), xop0, LABEL); \ - } \ -} - /* Specify the machine mode that this machine uses for the index in the tablejump instruction. */ #define CASE_VECTOR_MODE SImode -- 2.30.2