aboutsummaryrefslogtreecommitdiff
path: root/target-sparc/translate.c
diff options
context:
space:
mode:
authorRichard Henderson <rth@twiddle.net>2012-10-16 19:32:18 +1000
committerBlue Swirl <blauwirbel@gmail.com>2012-10-20 07:56:06 +0000
commita4273524875a960e8ef22ed676853e5988fefbea (patch)
treef1c687daf0490a00920a238cc69de030a7e0e6ec /target-sparc/translate.c
parent81634eea3d5dada203848f89ebd97d6a05aa4cce (diff)
downloadqemu-a4273524875a960e8ef22ed676853e5988fefbea.zip
qemu-a4273524875a960e8ef22ed676853e5988fefbea.tar.gz
qemu-a4273524875a960e8ef22ed676853e5988fefbea.tar.bz2
target-sparc: Cleanup cpu_src[12] allocation
Now that get_temp_tl is used for get_src[12], we don't need to pre-allocate these temporaries. Fallout from this is moving some assignments around cas/casx to avoid uninitialized variable warnings. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc/translate.c')
-rw-r--r--target-sparc/translate.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c
index 3c9b0e3..2a95c1f 100644
--- a/target-sparc/translate.c
+++ b/target-sparc/translate.c
@@ -2483,7 +2483,7 @@ static void gen_faligndata(TCGv dst, TCGv gsr, TCGv s1, TCGv s2)
static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
{
unsigned int opc, rs1, rs2, rd;
- TCGv cpu_src1, cpu_src2, cpu_tmp1, cpu_tmp2;
+ TCGv cpu_src1, cpu_src2;
TCGv_i32 cpu_src1_32, cpu_src2_32, cpu_dst_32;
TCGv_i64 cpu_src1_64, cpu_src2_64, cpu_dst_64;
target_long simm;
@@ -2496,9 +2496,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
rd = GET_FIELD(insn, 2, 6);
- cpu_tmp1 = cpu_src1 = tcg_temp_new();
- cpu_tmp2 = cpu_src2 = tcg_temp_new();
-
switch (opc) {
case 0: /* branches/sethi */
{
@@ -4602,8 +4599,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
cpu_src1 = get_src1(dc, insn);
if (xop == 0x3c || xop == 0x3e) { // V9 casa/casxa
- rs2 = GET_FIELD(insn, 27, 31);
- cpu_src2 = gen_load_gpr(dc, rs2);
tcg_gen_mov_tl(cpu_addr, cpu_src1);
} else if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 19, 31);
@@ -5074,9 +5069,13 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
gen_stf_asi(cpu_addr, insn, 8, DFPREG(rd));
break;
case 0x3c: /* V9 casa */
+ rs2 = GET_FIELD(insn, 27, 31);
+ cpu_src2 = gen_load_gpr(dc, rs2);
gen_cas_asi(dc, cpu_addr, cpu_src2, insn, rd);
break;
case 0x3e: /* V9 casxa */
+ rs2 = GET_FIELD(insn, 27, 31);
+ cpu_src2 = gen_load_gpr(dc, rs2);
gen_casx_asi(dc, cpu_addr, cpu_src2, insn, rd);
break;
#else
@@ -5089,8 +5088,9 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
default:
goto illegal_insn;
}
- } else
+ } else {
goto illegal_insn;
+ }
}
break;
}
@@ -5169,8 +5169,6 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
goto egress;
#endif
egress:
- tcg_temp_free(cpu_tmp1);
- tcg_temp_free(cpu_tmp2);
if (dc->n_t32 != 0) {
int i;
for (i = dc->n_t32 - 1; i >= 0; --i) {