diff options
Diffstat (limited to 'gcc/config/i386')
| -rw-r--r-- | gcc/config/i386/i386.c | 60 | ||||
| -rw-r--r-- | gcc/config/i386/i386.h | 11 |
2 files changed, 45 insertions, 26 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 0213239303e..22a062d6fd7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -875,6 +875,7 @@ static tree ix86_build_builtin_va_list (void); static void ix86_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int); static tree ix86_gimplify_va_arg (tree, tree, tree *, tree *); +static bool ix86_vector_mode_supported_p (enum machine_mode); static int ix86_address_cost (rtx); static bool ix86_cannot_force_const_mem (rtx); @@ -1065,6 +1066,9 @@ static void init_ext_80387_constants (void); #undef TARGET_GIMPLIFY_VA_ARG_EXPR #define TARGET_GIMPLIFY_VA_ARG_EXPR ix86_gimplify_va_arg +#undef TARGET_VECTOR_MODE_SUPPORTED_P +#define TARGET_VECTOR_MODE_SUPPORTED_P ix86_vector_mode_supported_p + #ifdef SUBTARGET_INSERT_ATTRIBUTES #undef TARGET_INSERT_ATTRIBUTES #define TARGET_INSERT_ATTRIBUTES SUBTARGET_INSERT_ATTRIBUTES @@ -1815,7 +1819,7 @@ ix86_function_regparm (tree type, tree decl) return regparm; } -/* Return true if EAX is live at the start of the function. Used by +/* Return true if EAX is live at the start of the function. Used by ix86_expand_prologue to determine if we need special help before calling allocate_stack_worker. */ @@ -3406,7 +3410,7 @@ ix86_gimplify_va_arg (tree valist, tree type, tree *pre_p, tree *post_p) t = build1 (ADDR_EXPR, build_pointer_type (type), temp); t = build2 (MODIFY_EXPR, void_type_node, addr, t); gimplify_and_add (t, pre_p); - + for (i = 0; i < XVECLEN (container, 0); i++) { rtx slot = XVECEXP (container, 0, i); @@ -10173,7 +10177,7 @@ ix86_expand_movmem (rtx dst, rtx src, rtx count_exp, rtx align_exp) GEN_INT ((count >> (size == 4 ? 2 : 3)) & (TARGET_64BIT ? -1 : 0x3fffffff))); countreg = ix86_zero_extend_to_Pmode (countreg); - + destexp = gen_rtx_ASHIFT (Pmode, countreg, GEN_INT (size == 4 ? 2 : 3)); srcexp = gen_rtx_PLUS (Pmode, destexp, srcreg); @@ -14034,7 +14038,7 @@ ix86_rtx_costs (rtx x, int code, int outer_code, int *total) if (is_mulwiden) op0 = XEXP (op0, 0), mode = GET_MODE (op0); } - + *total = COSTS_N_INSNS (ix86_cost->mult_init[MODE_INDEX (mode)] + nbits * ix86_cost->mult_bit) + rtx_cost (op0, outer_code) + rtx_cost (op1, outer_code); @@ -14511,8 +14515,8 @@ x86_output_mi_thunk (FILE *file ATTRIBUTE_UNUSED, if (TARGET_MACHO) { rtx sym_ref = XEXP (DECL_RTL (function), 0); - tmp = (gen_rtx_SYMBOL_REF - (Pmode, + tmp = (gen_rtx_SYMBOL_REF + (Pmode, machopic_indirection_name (sym_ref, /*stub_p=*/true))); tmp = gen_rtx_MEM (QImode, tmp); xops[0] = tmp; @@ -14851,13 +14855,13 @@ ix86_expand_vector_init (rtx target, rtx vals) int elt_size = GET_MODE_SIZE (GET_MODE_INNER (mode)); int n_elts = (GET_MODE_SIZE (mode) / elt_size); int i; - + for (i = n_elts - 1; i >= 0; i--) if (GET_CODE (XVECEXP (vals, 0, i)) != CONST_INT && GET_CODE (XVECEXP (vals, 0, i)) != CONST_DOUBLE) break; - /* Few special cases first... + /* Few special cases first... ... constants are best loaded from constant pool. */ if (i < 0) { @@ -14931,6 +14935,26 @@ ix86_expand_vector_init (rtx target, rtx vals) } } +/* Implements target hook vector_mode_supported_p. */ +static bool +ix86_vector_mode_supported_p (enum machine_mode mode) +{ + if (TARGET_SSE + && VALID_SSE_REG_MODE (mode)) + return true; + + else if (TARGET_MMX + && VALID_MMX_REG_MODE (mode)) + return true; + + else if (TARGET_3DNOW + && VALID_MMX_REG_MODE_3DNOW (mode)) + return true; + + else + return false; +} + /* Worker function for TARGET_MD_ASM_CLOBBERS. We do this in the new i386 backend to maintain source compatibility @@ -14939,12 +14963,12 @@ ix86_expand_vector_init (rtx target, rtx vals) static tree ix86_md_asm_clobbers (tree clobbers) { - clobbers = tree_cons (NULL_TREE, build_string (5, "flags"), - clobbers); - clobbers = tree_cons (NULL_TREE, build_string (4, "fpsr"), - clobbers); - clobbers = tree_cons (NULL_TREE, build_string (7, "dirflag"), - clobbers); + clobbers = tree_cons (NULL_TREE, build_string (5, "flags"), + clobbers); + clobbers = tree_cons (NULL_TREE, build_string (4, "fpsr"), + clobbers); + clobbers = tree_cons (NULL_TREE, build_string (7, "dirflag"), + clobbers); return clobbers; } @@ -14992,17 +15016,17 @@ ix86_emit_fp_unordered_jump (rtx label) { emit_insn (gen_x86_sahf_1 (reg)); - temp = gen_rtx_REG (CCmode, FLAGS_REG); + temp = gen_rtx_REG (CCmode, FLAGS_REG); temp = gen_rtx_UNORDERED (VOIDmode, temp, const0_rtx); } else { emit_insn (gen_testqi_ext_ccno_0 (reg, GEN_INT (0x04))); - temp = gen_rtx_REG (CCNOmode, FLAGS_REG); + temp = gen_rtx_REG (CCNOmode, FLAGS_REG); temp = gen_rtx_NE (VOIDmode, temp, const0_rtx); } - + temp = gen_rtx_IF_THEN_ELSE (VOIDmode, temp, gen_rtx_LABEL_REF (VOIDmode, label), pc_rtx); @@ -15039,5 +15063,5 @@ void ix86_emit_i387_log1p (rtx op0, rtx op1) emit_label (label2); } - + #include "gt-i386.h" diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 3fdd6197e4f..38d507574a1 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -41,10 +41,10 @@ struct processor_costs { const int lea; /* cost of a lea instruction */ const int shift_var; /* variable shift costs */ const int shift_const; /* constant shift costs */ - const int mult_init[5]; /* cost of starting a multiply + const int mult_init[5]; /* cost of starting a multiply in QImode, HImode, SImode, DImode, TImode*/ const int mult_bit; /* cost of multiply per each bit set */ - const int divide[5]; /* cost of a divide/mod + const int divide[5]; /* cost of a divide/mod in QImode, HImode, SImode, DImode, TImode*/ int movsx; /* The cost of movsx operation. */ int movzx; /* The cost of movzx operation. */ @@ -1081,11 +1081,6 @@ do { \ ((MODE) == DImode || (MODE) == V8QImode || (MODE) == V4HImode \ || (MODE) == V2SImode || (MODE) == SImode) -#define VECTOR_MODE_SUPPORTED_P(MODE) \ - (VALID_SSE_REG_MODE (MODE) && TARGET_SSE ? 1 \ - : VALID_MMX_REG_MODE (MODE) && TARGET_MMX ? 1 \ - : VALID_MMX_REG_MODE_3DNOW (MODE) && TARGET_3DNOW ? 1 : 0) - #define UNITS_PER_SIMD_WORD \ (TARGET_SSE ? 16 : TARGET_MMX || TARGET_3DNOW ? 8 : 0) @@ -1595,7 +1590,7 @@ enum reg_class || ((CLASS) == FP_SECOND_REG)) /* Return a class of registers that cannot change FROM mode to TO mode. - + x87 registers can't do subreg as all values are reformated to extended precision. XMM registers does not support with nonzero offsets equal to 4, 8 and 12 otherwise valid for integer registers. Since we can't |