tcg: Remove tcg_gen_trunc_i64_i32

Replacing it with tcg_gen_extrl_i64_i32.

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2015-07-24 11:49:53 -07:00
parent 609ad70562
commit ecc7b3aa71
14 changed files with 112 additions and 117 deletions

View file

@ -540,14 +540,14 @@ static inline void gen_madd32_d(TCGv ret, TCGv r1, TCGv r2, TCGv r3)
tcg_gen_mul_i64(t1, t1, t3);
tcg_gen_add_i64(t1, t2, t1);
tcg_gen_trunc_i64_i32(ret, t1);
tcg_gen_extrl_i64_i32(ret, t1);
/* calc V
t1 > 0x7fffffff */
tcg_gen_setcondi_i64(TCG_COND_GT, t3, t1, 0x7fffffffLL);
/* t1 < -0x80000000 */
tcg_gen_setcondi_i64(TCG_COND_LT, t2, t1, -0x80000000LL);
tcg_gen_or_i64(t2, t2, t3);
tcg_gen_trunc_i64_i32(cpu_PSW_V, t2);
tcg_gen_extrl_i64_i32(cpu_PSW_V, t2);
tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
/* Calc SV bit */
tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
@ -621,7 +621,7 @@ gen_maddu64_d(TCGv ret_low, TCGv ret_high, TCGv r1, TCGv r2_low, TCGv r2_high,
/* only the add overflows, if t2 < t1
calc V bit */
tcg_gen_setcond_i64(TCG_COND_LTU, t2, t2, t1);
tcg_gen_trunc_i64_i32(cpu_PSW_V, t2);
tcg_gen_extrl_i64_i32(cpu_PSW_V, t2);
tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
/* Calc SV bit */
tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
@ -1110,12 +1110,12 @@ gen_madd32_q(TCGv ret, TCGv arg1, TCGv arg2, TCGv arg3, uint32_t n,
tcg_gen_sari_i64(t2, t2, up_shift);
tcg_gen_add_i64(t3, t1, t2);
tcg_gen_trunc_i64_i32(temp3, t3);
tcg_gen_extrl_i64_i32(temp3, t3);
/* calc v bit */
tcg_gen_setcondi_i64(TCG_COND_GT, t1, t3, 0x7fffffffLL);
tcg_gen_setcondi_i64(TCG_COND_LT, t2, t3, -0x80000000LL);
tcg_gen_or_i64(t1, t1, t2);
tcg_gen_trunc_i64_i32(cpu_PSW_V, t1);
tcg_gen_extrl_i64_i32(cpu_PSW_V, t1);
tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
/* We produce an overflow on the host if the mul before was
(0x80000000 * 0x80000000) << 1). If this is the
@ -1356,14 +1356,14 @@ static inline void gen_msub32_d(TCGv ret, TCGv r1, TCGv r2, TCGv r3)
tcg_gen_mul_i64(t1, t1, t3);
tcg_gen_sub_i64(t1, t2, t1);
tcg_gen_trunc_i64_i32(ret, t1);
tcg_gen_extrl_i64_i32(ret, t1);
/* calc V
t2 > 0x7fffffff */
tcg_gen_setcondi_i64(TCG_COND_GT, t3, t1, 0x7fffffffLL);
/* result < -0x80000000 */
tcg_gen_setcondi_i64(TCG_COND_LT, t2, t1, -0x80000000LL);
tcg_gen_or_i64(t2, t2, t3);
tcg_gen_trunc_i64_i32(cpu_PSW_V, t2);
tcg_gen_extrl_i64_i32(cpu_PSW_V, t2);
tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
/* Calc SV bit */
@ -1445,7 +1445,7 @@ gen_msubu64_d(TCGv ret_low, TCGv ret_high, TCGv r1, TCGv r2_low, TCGv r2_high,
tcg_gen_extr_i64_i32(ret_low, ret_high, t3);
/* calc V bit, only the sub can overflow, if t1 > t2 */
tcg_gen_setcond_i64(TCG_COND_GTU, t1, t1, t2);
tcg_gen_trunc_i64_i32(cpu_PSW_V, t1);
tcg_gen_extrl_i64_i32(cpu_PSW_V, t1);
tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
/* Calc SV bit */
tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);
@ -1973,12 +1973,12 @@ gen_msub32_q(TCGv ret, TCGv arg1, TCGv arg2, TCGv arg3, uint32_t n,
tcg_gen_add_i64(t2, t2, t4);
tcg_gen_sub_i64(t3, t1, t2);
tcg_gen_trunc_i64_i32(temp3, t3);
tcg_gen_extrl_i64_i32(temp3, t3);
/* calc v bit */
tcg_gen_setcondi_i64(TCG_COND_GT, t1, t3, 0x7fffffffLL);
tcg_gen_setcondi_i64(TCG_COND_LT, t2, t3, -0x80000000LL);
tcg_gen_or_i64(t1, t1, t2);
tcg_gen_trunc_i64_i32(cpu_PSW_V, t1);
tcg_gen_extrl_i64_i32(cpu_PSW_V, t1);
tcg_gen_shli_tl(cpu_PSW_V, cpu_PSW_V, 31);
/* Calc SV bit */
tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V);