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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
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6
target-sparc/translate.c
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@ -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_shli_tl(r_temp, r_temp, 31);
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;
gen_mov_reg_N(cpu_tmp0, cpu_psr);
@ -3195,7 +3196,8 @@ static void disas_sparc_insn(DisasContext * dc)
{
switch(rd) {
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;
#ifndef TARGET_SPARC64
case 0x01 ... 0x0f: /* undefined in the