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| author | Richard Henderson <rth@twiddle.net> | 2015-07-24 07:16:00 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2015-08-24 11:10:54 -0700 |
| commit | 609ad70562793937257c89d07bf7c1370b9fc9aa (patch) | |
| tree | fd10a7febb6cfe6934d301b2b2dc7b675bade774 /target-tricore | |
| parent | 870ad1547ac53bc79c21d86cf453b3b20cc660a2 (diff) | |
| download | hqemu-609ad70562793937257c89d07bf7c1370b9fc9aa.zip hqemu-609ad70562793937257c89d07bf7c1370b9fc9aa.tar.gz | |
tcg: Split trunc_shr_i32 opcode into extr[lh]_i64_i32
Rather than allow arbitrary shift+trunc, only concern ourselves
with low and high parts. This is all that was being used anyway.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-tricore')
| -rw-r--r-- | target-tricore/translate.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/target-tricore/translate.c b/target-tricore/translate.c index 7dc7a32..70f0930 100644 --- a/target-tricore/translate.c +++ b/target-tricore/translate.c @@ -457,11 +457,11 @@ gen_add64_d(TCGv_i64 ret, TCGv_i64 r1, TCGv_i64 r2) tcg_gen_xor_i64(t1, result, r1); tcg_gen_xor_i64(t0, r1, r2); tcg_gen_andc_i64(t1, t1, t0); - tcg_gen_trunc_shr_i64_i32(cpu_PSW_V, t1, 32); + tcg_gen_extrh_i64_i32(cpu_PSW_V, t1); /* calc SV bit */ tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V); /* calc AV/SAV bits */ - tcg_gen_trunc_shr_i64_i32(temp, result, 32); + tcg_gen_extrh_i64_i32(temp, result); tcg_gen_add_tl(cpu_PSW_AV, temp, temp); tcg_gen_xor_tl(cpu_PSW_AV, temp, cpu_PSW_AV); /* calc SAV */ @@ -1273,7 +1273,7 @@ gen_madd64_q(TCGv rl, TCGv rh, TCGv arg1_low, TCGv arg1_high, TCGv arg2, tcg_gen_xor_i64(t3, t4, t1); tcg_gen_xor_i64(t2, t1, t2); tcg_gen_andc_i64(t3, t3, t2); - tcg_gen_trunc_shr_i64_i32(cpu_PSW_V, t3, 32); + tcg_gen_extrh_i64_i32(cpu_PSW_V, t3); /* We produce an overflow on the host if the mul before was (0x80000000 * 0x80000000) << 1). If this is the case, we negate the ovf. */ @@ -1630,11 +1630,11 @@ gen_sub64_d(TCGv_i64 ret, TCGv_i64 r1, TCGv_i64 r2) tcg_gen_xor_i64(t1, result, r1); tcg_gen_xor_i64(t0, r1, r2); tcg_gen_and_i64(t1, t1, t0); - tcg_gen_trunc_shr_i64_i32(cpu_PSW_V, t1, 32); + tcg_gen_extrh_i64_i32(cpu_PSW_V, t1); /* calc SV bit */ tcg_gen_or_tl(cpu_PSW_SV, cpu_PSW_SV, cpu_PSW_V); /* calc AV/SAV bits */ - tcg_gen_trunc_shr_i64_i32(temp, result, 32); + tcg_gen_extrh_i64_i32(temp, result); tcg_gen_add_tl(cpu_PSW_AV, temp, temp); tcg_gen_xor_tl(cpu_PSW_AV, temp, cpu_PSW_AV); /* calc SAV */ @@ -2126,7 +2126,7 @@ gen_msub64_q(TCGv rl, TCGv rh, TCGv arg1_low, TCGv arg1_high, TCGv arg2, tcg_gen_xor_i64(t3, t4, t1); tcg_gen_xor_i64(t2, t1, t2); tcg_gen_and_i64(t3, t3, t2); - tcg_gen_trunc_shr_i64_i32(cpu_PSW_V, t3, 32); + tcg_gen_extrh_i64_i32(cpu_PSW_V, t3); /* We produce an overflow on the host if the mul before was (0x80000000 * 0x80000000) << 1). If this is the case, we negate the ovf. */ |
