mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-24 20:19:44 +00:00
Fix truncate/extend reversal in MIPS DIV{, U} handling, by Richard Sandiford.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4620 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
parent
84774e8ea3
commit
9b686843a0
@ -1906,12 +1906,12 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
|
||||
TCGv r_tmp2 = new_tmp();
|
||||
TCGv r_tmp3 = new_tmp();
|
||||
|
||||
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
||||
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
|
||||
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
|
||||
tcg_gen_trunc_tl_i32(r_tmp2, cpu_T[1]);
|
||||
tcg_gen_div_i32(r_tmp3, r_tmp1, r_tmp2);
|
||||
tcg_gen_rem_i32(r_tmp1, r_tmp1, r_tmp2);
|
||||
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
|
||||
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
|
||||
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp3);
|
||||
tcg_gen_ext_i32_tl(cpu_T[1], r_tmp1);
|
||||
gen_store_LO(cpu_T[0], 0);
|
||||
gen_store_HI(cpu_T[1], 0);
|
||||
dead_tmp(r_tmp1);
|
||||
@ -1932,12 +1932,12 @@ static void gen_muldiv (DisasContext *ctx, uint32_t opc,
|
||||
TCGv r_tmp2 = new_tmp();
|
||||
TCGv r_tmp3 = new_tmp();
|
||||
|
||||
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
||||
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
|
||||
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
|
||||
tcg_gen_trunc_tl_i32(r_tmp2, cpu_T[1]);
|
||||
tcg_gen_divu_i32(r_tmp3, r_tmp1, r_tmp2);
|
||||
tcg_gen_remu_i32(r_tmp1, r_tmp1, r_tmp2);
|
||||
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
|
||||
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
|
||||
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp3);
|
||||
tcg_gen_ext_i32_tl(cpu_T[1], r_tmp1);
|
||||
gen_store_LO(cpu_T[0], 0);
|
||||
gen_store_HI(cpu_T[1], 0);
|
||||
dead_tmp(r_tmp1);
|
||||
|
Loading…
Reference in New Issue
Block a user