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qemu-e2k
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target: e2k: Fix SIGFPE error.

This commit is contained in:
Denis Drakhnia 2020-11-16 17:50:58 +02:00 committed by Denis Drakhnia
parent ff2d059db8
commit 01d1a9e9cd
2 changed files with 12 additions and 3 deletions
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1
target/e2k/cpu.h
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@ -30,6 +30,7 @@ void e2k_tcg_initialize(void);
#define BREGS_MAX 128
#define GREGS_MAX 24
#define BGREGS_MAX 8
#define PF_SIZE 32
#define CTPR_BASE_OFF 0
#define CTPR_BASE_END 47

14
target/e2k/translate/state.c
View File

@ -7,18 +7,26 @@ static void gen_preg_offset(TCGv_i64 ret, int reg)
{
assert(reg < 32);
TCGv_i32 zero = tcg_const_i32(0);
TCGv_i32 pf_size = tcg_const_i32(PF_SIZE);
TCGv_i32 t0 = tcg_temp_new_i32();
TCGv_i32 t1 = tcg_temp_new_i32();
TCGv_i32 t2 = tcg_temp_new_i32();
TCGv_i32 t3 = tcg_temp_new_i32();
tcg_gen_addi_i32(t0, e2k_cs.pcur, reg);
e2k_gen_wrap_i32(t1, t0, e2k_cs.psize);
tcg_gen_muli_i32(t2, t1, 2);
tcg_gen_extu_i32_i64(ret, t2);
tcg_gen_movcond_i32(TCG_COND_NE, t1, e2k_cs.psize, zero,
e2k_cs.psize, pf_size);
tcg_gen_remu_i32(t2, t0, t1);
tcg_gen_muli_i32(t3, t2, 2);
tcg_gen_extu_i32_i64(ret, t3);
tcg_temp_free_i32(t3);
tcg_temp_free_i32(t2);
tcg_temp_free_i32(t1);
tcg_temp_free_i32(t0);
tcg_temp_free_i32(pf_size);
tcg_temp_free_i32(zero);
}
static void gen_preg_clear(TCGv_i64 ret, TCGv_i64 offset)