X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fia32_map_regs.c;h=33307b894719e96d6d96047e76abb2540f383220;hb=ada1f44f881666551cc1f9c31463963b198ead45;hp=98e7e0e168a5bfc1460b97a8d8b9cf3b82c5d495;hpb=d78ff68d0afb420d8586aa9d0a28289941487101;p=libfirm diff --git a/ir/be/ia32/ia32_map_regs.c b/ir/be/ia32/ia32_map_regs.c index 98e7e0e16..33307b894 100644 --- a/ir/be/ia32/ia32_map_regs.c +++ b/ir/be/ia32/ia32_map_regs.c @@ -1,5 +1,7 @@ /** * Register mapping for firm nodes. Stolen from bearch_firm :) + * Calculate requirements for register parameter. + * @author Christian Wuerdig * $Id$ */ #ifdef HAVE_CONFIG_H @@ -13,6 +15,7 @@ #include "ia32_map_regs.h" #include "ia32_new_nodes.h" #include "gen_ia32_regalloc_if.h" +#include "../benodesets.h" static int maxnum_gpreg_args = 3; /* maximum number of int arguments passed in registers; default 3 */ static int maxnum_fpreg_args = 5; /* maximum number of float arguments passed in registers; default 5 */ @@ -38,26 +41,26 @@ const arch_register_t *gpreg_param_reg_this[] = { }; const arch_register_t *fpreg_param_reg_std[] = { - &ia32_fp_regs[REG_XMM0], - &ia32_fp_regs[REG_XMM1], - &ia32_fp_regs[REG_XMM2], - &ia32_fp_regs[REG_XMM3], - &ia32_fp_regs[REG_XMM4], - &ia32_fp_regs[REG_XMM5], - &ia32_fp_regs[REG_XMM6], - &ia32_fp_regs[REG_XMM7] + &ia32_xmm_regs[REG_XMM0], + &ia32_xmm_regs[REG_XMM1], + &ia32_xmm_regs[REG_XMM2], + &ia32_xmm_regs[REG_XMM3], + &ia32_xmm_regs[REG_XMM4], + &ia32_xmm_regs[REG_XMM5], + &ia32_xmm_regs[REG_XMM6], + &ia32_xmm_regs[REG_XMM7] }; const arch_register_t *fpreg_param_reg_this[] = { NULL, /* in case of a "this" pointer, the first parameter must not be a float */ - &ia32_fp_regs[REG_XMM0], - &ia32_fp_regs[REG_XMM1], - &ia32_fp_regs[REG_XMM2], - &ia32_fp_regs[REG_XMM3], - &ia32_fp_regs[REG_XMM4], - &ia32_fp_regs[REG_XMM5], - &ia32_fp_regs[REG_XMM6], - &ia32_fp_regs[REG_XMM7] + &ia32_xmm_regs[REG_XMM0], + &ia32_xmm_regs[REG_XMM1], + &ia32_xmm_regs[REG_XMM2], + &ia32_xmm_regs[REG_XMM3], + &ia32_xmm_regs[REG_XMM4], + &ia32_xmm_regs[REG_XMM5], + &ia32_xmm_regs[REG_XMM6], + &ia32_xmm_regs[REG_XMM7] }; @@ -82,7 +85,7 @@ static struct ia32_irn_reg_assoc *get_irn_reg_assoc(const ir_node *irn, set *reg templ.irn = irn; templ.reg = NULL; - hash = HASH_PTR(irn); + hash = nodeset_hash(irn); return set_insert(reg_set, &templ, sizeof(templ), hash); } @@ -115,10 +118,14 @@ void ia32_build_8bit_reg_map(pmap *reg_map) { pmap_insert(reg_map, &ia32_gp_regs[REG_EDX], "dl"); } -char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg) { +const char *ia32_get_mapped_reg_name(pmap *reg_map, const arch_register_t *reg) { pmap_entry *e = pmap_find(reg_map, (void *)reg); - assert(e && "missing map init?"); + //assert(e && "missing map init?"); + if (! e) { + printf("FIXME: ia32map_regs.c:122: returning fake register name for ia32 with 32 register\n"); + return reg->name; + } return e->value; } @@ -219,59 +226,3 @@ const arch_register_t *ia32_get_RegParam_reg(int n, ir_mode **modes, long nr, un return param_reg; } - - - -/** - * Translates the projnum into a "real" argument position for register - * requirements dependend on the predecessor. - */ -long ia32_translate_proj_pos(const ir_node *proj) { - ir_node *pred = get_Proj_pred(proj); - long nr = get_Proj_proj(proj); - - if (is_ia32_Ld(pred)) { - if (nr == pn_Load_res || nr == 0) - return 0; - assert(0 && "unsupported Proj(Load) number"); - } - else if (is_ia32_St(pred)) { - return 0; - } - else if (is_ia32_CondJmp(pred)) { - return 0; - } - else if (is_ia32_SwitchJmp(pred)) { - return 0; - } - else if (is_ia32_Cdq(pred) || is_ia32_Mulh(pred)) { - if (nr == pn_EAX) - return 0; - if (nr == pn_EDX) - return 1; - } - else if (is_ia32_DivMod(pred)) { - if (nr == pn_DivMod_res_div || nr == pn_Div_res) - return 0; - if (nr == pn_DivMod_res_mod || nr == pn_Mod_res) - return 1; - } - else if (is_ia32_fDiv(pred)) { - if (nr == pn_Quot_res) - return 0; - else - assert(0 && "there should be no more Projs for a fDiv"); - } - else if (get_irn_mode(proj) == mode_X && nr == pn_Start_X_initial_exec) { - return 0; - } - else if (is_Proj(pred)) { - return nr; - } - else if (get_irn_opcode(pred) == iro_Start) { - return nr; - } - -// assert(0 && "unsupported Proj(X)"); - return nr; -}