From a34ea8ceb0fb353483435abf39dff141f228bd6a Mon Sep 17 00:00:00 2001 From: Jannik Vogel Date: Thu, 24 Mar 2016 23:00:54 +0100 Subject: [PATCH] Fix ftoi and disable VFPv3 --- src/core/arm/dyncom/arm_dyncom_dec.cpp | 4 ++++ src/core/arm/skyeye_common/vfp/vfpdouble.cpp | 4 ++-- 2 files changed, 6 insertions(+), 2 deletions(-) diff --git a/src/core/arm/dyncom/arm_dyncom_dec.cpp b/src/core/arm/dyncom/arm_dyncom_dec.cpp index 8cd6755cb..247d379e3 100644 --- a/src/core/arm/dyncom/arm_dyncom_dec.cpp +++ b/src/core/arm/dyncom/arm_dyncom_dec.cpp @@ -422,6 +422,10 @@ ARMDecodeStatus DecodeARMInstruction(u32 instr, s32* idx) { n = arm_instruction[i].attribute_value; base = 0; + // 3DS has no VFP3 support + if (arm_instruction[i].version == ARMVFP3) + continue; + while (n) { if (arm_instruction[i].content[base + 1] == 31 && arm_instruction[i].content[base] == 0) { // clrex diff --git a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp index 45914d479..482924e4a 100644 --- a/src/core/arm/skyeye_common/vfp/vfpdouble.cpp +++ b/src/core/arm/skyeye_common/vfp/vfpdouble.cpp @@ -560,7 +560,7 @@ static u32 vfp_double_ftoui(ARMul_State* state, int sd, int unused, int dm, u32 if (vdm.exponent >= 1023 + 32) { d = vdm.sign ? 0 : 0xffffffff; exceptions = FPSCR_IOC; - } else if (vdm.exponent >= 1023 - 1) { + } else if (vdm.exponent >= 1023) { int shift = 1023 + 63 - vdm.exponent; u64 rem, incr = 0; @@ -644,7 +644,7 @@ static u32 vfp_double_ftosi(ARMul_State* state, int sd, int unused, int dm, u32 if (vdm.sign) d = ~d; exceptions |= FPSCR_IOC; - } else if (vdm.exponent >= 1023 - 1) { + } else if (vdm.exponent >= 1023) { int shift = 1023 + 63 - vdm.exponent; /* 58 */ u64 rem, incr = 0;