diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-05-13 09:32:40 -0700 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-05-14 15:03:08 +0100 |
| commit | fe6fb4beb2f9bb0afc813e565504b66a92bbf04b (patch) | |
| tree | 27d49db82a3b137084bade13f1d218b21a79f740 /target | |
| parent | c7715b6b51a6f7a5412c5fcb40a4c8586105e597 (diff) | |
target/arm: Remove fp_status from helper_{recpe, rsqrte}_u32
These operations do not touch fp_status.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200513163245.17915-12-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target')
| -rw-r--r-- | target/arm/helper.h | 4 | ||||
| -rw-r--r-- | target/arm/translate-a64.c | 5 | ||||
| -rw-r--r-- | target/arm/translate.c | 12 | ||||
| -rw-r--r-- | target/arm/vfp_helper.c | 5 |
4 files changed, 8 insertions, 18 deletions
diff --git a/target/arm/helper.h b/target/arm/helper.h index 33c76192d2..aed3050965 100644 --- a/target/arm/helper.h +++ b/target/arm/helper.h @@ -211,8 +211,8 @@ DEF_HELPER_FLAGS_2(recpe_f64, TCG_CALL_NO_RWG, f64, f64, ptr) DEF_HELPER_FLAGS_2(rsqrte_f16, TCG_CALL_NO_RWG, f16, f16, ptr) DEF_HELPER_FLAGS_2(rsqrte_f32, TCG_CALL_NO_RWG, f32, f32, ptr) DEF_HELPER_FLAGS_2(rsqrte_f64, TCG_CALL_NO_RWG, f64, f64, ptr) -DEF_HELPER_2(recpe_u32, i32, i32, ptr) -DEF_HELPER_FLAGS_2(rsqrte_u32, TCG_CALL_NO_RWG, i32, i32, ptr) +DEF_HELPER_FLAGS_1(recpe_u32, TCG_CALL_NO_RWG, i32, i32) +DEF_HELPER_FLAGS_1(rsqrte_u32, TCG_CALL_NO_RWG, i32, i32) DEF_HELPER_FLAGS_4(neon_tbl, TCG_CALL_NO_RWG, i32, i32, i32, ptr, i32) DEF_HELPER_3(shl_cc, i32, env, i32, i32) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index ea5f6ceadc..367fa403ae 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -9699,7 +9699,7 @@ static void handle_2misc_reciprocal(DisasContext *s, int opcode, switch (opcode) { case 0x3c: /* URECPE */ - gen_helper_recpe_u32(tcg_res, tcg_op, fpst); + gen_helper_recpe_u32(tcg_res, tcg_op); break; case 0x3d: /* FRECPE */ gen_helper_recpe_f32(tcg_res, tcg_op, fpst); @@ -12244,7 +12244,6 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - need_fpstatus = true; break; case 0x1e: /* FRINT32Z */ case 0x1f: /* FRINT64Z */ @@ -12412,7 +12411,7 @@ static void disas_simd_two_reg_misc(DisasContext *s, uint32_t insn) gen_helper_rints_exact(tcg_res, tcg_op, tcg_fpstatus); break; case 0x7c: /* URSQRTE */ - gen_helper_rsqrte_u32(tcg_res, tcg_op, tcg_fpstatus); + gen_helper_rsqrte_u32(tcg_res, tcg_op); break; case 0x1e: /* FRINT32Z */ case 0x5e: /* FRINT32X */ diff --git a/target/arm/translate.c b/target/arm/translate.c index 7eb30cde60..391a09b439 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -6875,19 +6875,11 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; } case NEON_2RM_VRECPE: - { - TCGv_ptr fpstatus = get_fpstatus_ptr(1); - gen_helper_recpe_u32(tmp, tmp, fpstatus); - tcg_temp_free_ptr(fpstatus); + gen_helper_recpe_u32(tmp, tmp); break; - } case NEON_2RM_VRSQRTE: - { - TCGv_ptr fpstatus = get_fpstatus_ptr(1); - gen_helper_rsqrte_u32(tmp, tmp, fpstatus); - tcg_temp_free_ptr(fpstatus); + gen_helper_rsqrte_u32(tmp, tmp); break; - } case NEON_2RM_VRECPE_F: { TCGv_ptr fpstatus = get_fpstatus_ptr(1); diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c index 930d6e747f..ec007fce25 100644 --- a/target/arm/vfp_helper.c +++ b/target/arm/vfp_helper.c @@ -1023,9 +1023,8 @@ float64 HELPER(rsqrte_f64)(float64 input, void *fpstp) return make_float64(val); } -uint32_t HELPER(recpe_u32)(uint32_t a, void *fpstp) +uint32_t HELPER(recpe_u32)(uint32_t a) { - /* float_status *s = fpstp; */ int input, estimate; if ((a & 0x80000000) == 0) { @@ -1038,7 +1037,7 @@ uint32_t HELPER(recpe_u32)(uint32_t a, void *fpstp) return deposit32(0, (32 - 9), 9, estimate); } -uint32_t HELPER(rsqrte_u32)(uint32_t a, void *fpstp) +uint32_t HELPER(rsqrte_u32)(uint32_t a) { int estimate; |