Commit 7fc81e62 authored by Michael Beck's avatar Michael Beck
Browse files

use ffreep st instead of fstp st on athlon

[r15809]
parent f06ac405
......@@ -47,6 +47,7 @@
#include "../belive_t.h"
#include "../besched_t.h"
#include "../benode_t.h"
#include "bearch_ia32_t.h"
#include "ia32_new_nodes.h"
#include "gen_ia32_new_nodes.h"
#include "gen_ia32_regalloc_if.h"
......@@ -141,6 +142,7 @@ struct _x87_simulator {
vfp_liveness *live; /**< Liveness information. */
unsigned n_idx; /**< The cached get_irg_last_idx() result. */
waitq *worklist; /**< Worklist of blocks that must be processed. */
ia32_isa_t *isa; /**< the ISA object */
};
/**
......@@ -661,10 +663,14 @@ static ir_node *x87_create_fpop(x87_state *state, ir_node *n, int num)
{
ir_node *fpop;
ia32_x87_attr_t *attr;
int cpu = state->sim->isa->opt_arch;
while (num > 0) {
x87_pop(state);
fpop = new_rd_ia32_fpop(NULL, get_irn_irg(n), get_nodes_block(n), mode_E);
if (ARCH_ATHLON(cpu))
fpop = new_rd_ia32_ffreep(NULL, get_irn_irg(n), get_nodes_block(n), mode_E);
else
fpop = new_rd_ia32_fpop(NULL, get_irn_irg(n), get_nodes_block(n), mode_E);
attr = get_ia32_x87_attr(fpop);
attr->x87[0] = &ia32_st_regs[0];
attr->x87[1] = &ia32_st_regs[0];
......@@ -2197,6 +2203,7 @@ static void x87_init_simulator(x87_simulator *sim, ir_graph *irg,
sim->arch_env = arch_env;
sim->n_idx = get_irg_last_idx(irg);
sim->live = obstack_alloc(&sim->obst, sizeof(*sim->live) * sim->n_idx);
sim->isa = (ia32_isa_t *)arch_env->isa;
DB((dbg, LEVEL_1, "--------------------------------\n"
"x87 Simulator started for %+F\n", irg));
......
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