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target-sparc: Make cpu_dst local to OP=2 insns

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And initialize it such that it (may) write directly to rd.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2012-10-16 19:32:30 +10:00 committed by Blue Swirl
parent 7b04bd5cca
commit 5793f2a47e
1 changed files with 3 additions and 4 deletions
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7
target-sparc/translate.c
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@ -48,7 +48,7 @@ static TCGv cpu_y;
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
static TCGv cpu_tbr; static TCGv cpu_tbr;
#endif #endif
static TCGv cpu_cond, cpu_dst; static TCGv cpu_cond;
#ifdef TARGET_SPARC64 #ifdef TARGET_SPARC64
static TCGv_i32 cpu_xcc, cpu_asi, cpu_fprs; static TCGv_i32 cpu_xcc, cpu_asi, cpu_fprs;
static TCGv cpu_gsr; static TCGv cpu_gsr;
@ -2511,7 +2511,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
} }
opc = GET_FIELD(insn, 0, 1); opc = GET_FIELD(insn, 0, 1);
rd = GET_FIELD(insn, 2, 6); rd = GET_FIELD(insn, 2, 6);
switch (opc) { switch (opc) {
@ -2620,6 +2619,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
case 2: /* FPU & Logical Operations */ case 2: /* FPU & Logical Operations */
{ {
unsigned int xop = GET_FIELD(insn, 7, 12); unsigned int xop = GET_FIELD(insn, 7, 12);
TCGv cpu_dst = gen_dest_gpr(dc, rd);
if (xop == 0x3a) { /* generate trap */ if (xop == 0x3a) { /* generate trap */
int cond = GET_FIELD(insn, 3, 6); int cond = GET_FIELD(insn, 3, 6);
TCGv_i32 trap; TCGv_i32 trap;
@ -5258,12 +5259,10 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb,
insn = cpu_ldl_code(env, dc->pc); insn = cpu_ldl_code(env, dc->pc);
cpu_tmp0 = tcg_temp_new(); cpu_tmp0 = tcg_temp_new();
cpu_dst = tcg_temp_new();
disas_sparc_insn(dc, insn); disas_sparc_insn(dc, insn);
num_insns++; num_insns++;
tcg_temp_free(cpu_dst);
tcg_temp_free(cpu_tmp0); tcg_temp_free(cpu_tmp0);
if (dc->is_br) if (dc->is_br)