Write zeros to high bits of y, based on patch by Vince Weaver

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5196 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-09-11 16:01:02 +00:00
parent 2c41a5f9e3
commit 5068cbd9e9
1 changed files with 4 additions and 2 deletions

View File

@ -709,7 +709,8 @@ static inline void gen_op_mulscc(TCGv dst, TCGv src1, TCGv src2)
tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1); tcg_gen_andi_tl(r_temp, cpu_cc_src, 0x1);
tcg_gen_shli_tl(r_temp, r_temp, 31); tcg_gen_shli_tl(r_temp, r_temp, 31);
tcg_gen_shri_tl(cpu_tmp0, cpu_y, 1); tcg_gen_shri_tl(cpu_tmp0, cpu_y, 1);
tcg_gen_or_tl(cpu_y, cpu_tmp0, r_temp); tcg_gen_or_tl(cpu_tmp0, cpu_tmp0, r_temp);
tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
// b1 = N ^ V; // b1 = N ^ V;
gen_mov_reg_N(cpu_tmp0, cpu_psr); gen_mov_reg_N(cpu_tmp0, cpu_psr);
@ -3195,7 +3196,8 @@ static void disas_sparc_insn(DisasContext * dc)
{ {
switch(rd) { switch(rd) {
case 0: /* wry */ case 0: /* wry */
tcg_gen_xor_tl(cpu_y, cpu_src1, cpu_src2); tcg_gen_xor_tl(cpu_tmp0, cpu_src1, cpu_src2);
tcg_gen_andi_tl(cpu_y, cpu_tmp0, 0xffffffff);
break; break;
#ifndef TARGET_SPARC64 #ifndef TARGET_SPARC64
case 0x01 ... 0x0f: /* undefined in the case 0x01 ... 0x0f: /* undefined in the