Commit 12edd4f2 authored by Filip Navara's avatar Filip Navara Committed by Aurelien Jarno
Browse files

target-arm: get rid of temporary variable cache 



The temporary variable cache in no longer need since tcg_temp_free was introduced.

Signed-off-by: default avatarFilip Navara <filip.navara@gmail.com>
Signed-off-by: default avatarAurelien Jarno <aurelien@aurel32.net>
parent 155c3eac

target-arm/translate.c

+3 −28
Original line number Diff line number Diff line
@@ -109,44 +109,20 @@ void arm_translate_init(void) 
#include "helpers.h"

}



/* The code generator doesn't like lots of temporaries, so maintain our own

   cache for reuse within a function.  */

#define MAX_TEMPS 8

static int num_temps;

static TCGv temps[MAX_TEMPS];



/* Allocate a temporary variable.  */

static TCGv_i32 new_tmp(void)

{

    TCGv tmp;

    if (num_temps == MAX_TEMPS)

        abort();



    if (GET_TCGV_I32(temps[num_temps]))

      return temps[num_temps++];



    tmp = tcg_temp_new_i32();

    temps[num_temps++] = tmp;

    return tmp;

    num_temps++;

    return tcg_temp_new_i32();

}



/* Release a temporary variable.  */

static void dead_tmp(TCGv tmp)

{

    int i;

    tcg_temp_free(tmp);

    num_temps--;

    i = num_temps;

    if (TCGV_EQUAL(temps[i], tmp))

        return;



    /* Shuffle this temp to the last slot.  */

    while (!TCGV_EQUAL(temps[i], tmp))

        i--;

    while (i < num_temps) {

        temps[i] = temps[i + 1];

        i++;

    }

    temps[i] = tmp;

}



static inline TCGv load_cpu_offset(int offset)
@@ -8710,7 +8686,6 @@ static inline void gen_intermediate_code_internal(CPUState *env, 


    /* generate intermediate code */

    num_temps = 0;

    memset(temps, 0, sizeof(temps));



    pc_start = tb->pc;