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OpenCL Runtime: Not using amd_bytealign (amd_bitalign is fine) on AMDGPU driver drastically reduces JiT segfaults

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This commit is contained in:
jsteube 2019-03-01 15:34:49 +01:00
parent e1fe3e755b
commit 4359418918
3 changed files with 44 additions and 5 deletions
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44
OpenCL/inc_types.cl
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@ -353,22 +353,58 @@ DECLSPEC u64x rotl64 (const u64x a, const u32 n)
DECLSPEC u32x hc_bfe (const u32x a, const u32x b, const u32x c)
{
return amd_bfe (a, b, c);
#define BIT(x) ((u32x) (1u) << (x))
#define BIT_MASK(x) (BIT (x) - 1)
#define BFE(x,y,z) (((x) >> (y)) & BIT_MASK (z))
return BFE (a, b, c);
#undef BIT
#undef BIT_MASK
#undef BFE
}
DECLSPEC u32 hc_bfe_S (const u32 a, const u32 b, const u32 c)
{
return amd_bfe (a, b, c);
#define BIT(x) (1u << (x))
#define BIT_MASK(x) (BIT (x) - 1)
#define BFE(x,y,z) (((x) >> (y)) & BIT_MASK (z))
return BFE (a, b, c);
#undef BIT
#undef BIT_MASK
#undef BFE
}
DECLSPEC u32x hc_bytealign_be (const u32x a, const u32x b, const u32 c)
{
return amd_bytealign (a, b, c);
u32x r;
switch (c & 3)
{
case 0: r = b; break;
case 1: r = (a << 24) | (b >> 8); break;
case 2: r = (a << 16) | (b >> 16); break;
case 3: r = (a << 8) | (b >> 24); break;
}
return r;
}
DECLSPEC u32 hc_bytealign_be_S (const u32 a, const u32 b, const u32 c)
{
return amd_bytealign (a, b, c);
u32 r;
switch (c & 3)
{
case 0: r = b; break;
case 1: r = (a << 24) | (b >> 8); break;
case 2: r = (a << 16) | (b >> 16); break;
case 3: r = (a << 8) | (b >> 24); break;
}
return r;
}
DECLSPEC u32x hc_bytealign (const u32x a, const u32x b, const u32 c)

4
OpenCL/inc_vendor.cl
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@ -78,7 +78,9 @@
// HAS_VPERM indicated ROCM
#if (defined IS_AMD && HAS_VPERM == 0)
#define MAYBE_VOLATILE volatile
//#define MAYBE_VOLATILE volatile
//testrun for hashcat 6.0.0
#define MAYBE_VOLATILE
#else
#define MAYBE_VOLATILE
#endif

1
docs/changes.txt
View File

@ -36,6 +36,7 @@
- Bitcoin Wallet: Be more user friendly by allowing a larger data range for ckey and public_key
- OpenCL Runtime: Workaround JiT compiler error on AMDGPU driver compiling WPA-EAPOL-PBKDF2 OpenCL kernel
- OpenCL Runtime: Improve ROCM detection and make sure to not confuse with recent AMDGPU drivers
- OpenCL Runtime: Not using amd_bytealign (amd_bitalign is fine) on AMDGPU driver drastically reduces JiT segfaults
##
## Technical