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target-arm: get rid of temporary variable cache

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

Signed-off-by: Filip Navara <filip.navara@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Filip Navara 2009-10-15 12:00:48 +02:00 committed by Aurelien Jarno
parent 155c3eacd2
commit 12edd4f269
1 changed files with 3 additions and 28 deletions
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31
target-arm/translate.c
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@ -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;