[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PULL 08/13] target/ppc: use ext32u and deposit in do_vx_vmulhw_i64
From: |
Cédric Le Goater |
Subject: |
[PULL 08/13] target/ppc: use ext32u and deposit in do_vx_vmulhw_i64 |
Date: |
Sat, 5 Mar 2022 12:00:05 +0100 |
From: Matheus Ferst <matheus.ferst@eldorado.org.br>
Fixes: 29e9dfcf755e ("target/ppc: vmulh* instructions without helpers")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
---
target/ppc/translate/vmx-impl.c.inc | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/target/ppc/translate/vmx-impl.c.inc
b/target/ppc/translate/vmx-impl.c.inc
index c5d02d13fe52..8ea1d2c96ac4 100644
--- a/target/ppc/translate/vmx-impl.c.inc
+++ b/target/ppc/translate/vmx-impl.c.inc
@@ -3162,19 +3162,16 @@ static void do_vx_vmulhw_i64(TCGv_i64 t, TCGv_i64 a,
TCGv_i64 b, bool sign)
{
TCGv_i64 hh, lh, temp;
- uint64_t c;
hh = tcg_temp_new_i64();
lh = tcg_temp_new_i64();
temp = tcg_temp_new_i64();
- c = 0xFFFFFFFF;
-
if (sign) {
tcg_gen_ext32s_i64(lh, a);
tcg_gen_ext32s_i64(temp, b);
} else {
- tcg_gen_andi_i64(lh, a, c);
- tcg_gen_andi_i64(temp, b, c);
+ tcg_gen_ext32u_i64(lh, a);
+ tcg_gen_ext32u_i64(temp, b);
}
tcg_gen_mul_i64(lh, lh, temp);
@@ -3188,8 +3185,7 @@ static void do_vx_vmulhw_i64(TCGv_i64 t, TCGv_i64 a,
TCGv_i64 b, bool sign)
tcg_gen_mul_i64(hh, hh, temp);
tcg_gen_shri_i64(lh, lh, 32);
- tcg_gen_andi_i64(hh, hh, c << 32);
- tcg_gen_or_i64(t, hh, lh);
+ tcg_gen_deposit_i64(t, hh, lh, 0, 32);
tcg_temp_free_i64(hh);
tcg_temp_free_i64(lh);
--
2.34.1
- [PULL 00/13] ppc queue, Cédric Le Goater, 2022/03/05
- [PULL 01/13] Use long endian options for ppc64, Cédric Le Goater, 2022/03/05
- [PULL 02/13] tests/tcg/ppc64le: use inline asm instead of __builtin_mtfsf, Cédric Le Goater, 2022/03/05
- [PULL 07/13] target/ppc: Fix vmul[eo]* instructions marked 2.07, Cédric Le Goater, 2022/03/05
- [PULL 05/13] tests/tcg/ppc64le: emit bcdsub with .long when needed, Cédric Le Goater, 2022/03/05
- [PULL 09/13] target/ppc: use extract/extract2 to create vrlqnm mask, Cédric Le Goater, 2022/03/05
- [PULL 08/13] target/ppc: use ext32u and deposit in do_vx_vmulhw_i64,
Cédric Le Goater <=
- [PULL 11/13] target/ppc: split XXGENPCV macros for readability, Cédric Le Goater, 2022/03/05
- [PULL 12/13] target/ppc: Add missing helper_reset_fpstatus to VSX_MAX_MINC, Cédric Le Goater, 2022/03/05
- [PULL 10/13] target/ppc: use andc in vrlqmi, Cédric Le Goater, 2022/03/05
- [PULL 13/13] target/ppc: Add missing helper_reset_fpstatus to helper_XVCVSPBF16, Cédric Le Goater, 2022/03/05
- [PULL 06/13] tests/tcg/ppc64le: Use Altivec register names in clobber list, Cédric Le Goater, 2022/03/05
- [PULL 03/13] target/ppc: change xs[n]madd[am]sp to use float64r32_muladd, Cédric Le Goater, 2022/03/05
- [PULL 04/13] tests/tcg/ppc64le: drop __int128 usage in bcdsub, Cédric Le Goater, 2022/03/05
- Re: [PULL 00/13] ppc queue, Peter Maydell, 2022/03/06