DrSocalkwe3n/luajit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

MIPS: Switch to dual-number mode. Fix soft-float interpreter.

Browse Source
This commit is contained in:
Mike Pall
2016-01-29 07:03:36 +01:00
parent 2f6b2967c7
commit 60de2f3d51
7 changed files with 1442 additions and 1450 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/lj_vmmath.c
View File

@@ -57,6 +57,20 @@ double lj_vm_foldarith(double x, double y, int op)
}
}
#if (LJ_HASJIT && !(LJ_TARGET_ARM || LJ_TARGET_ARM64 || LJ_TARGET_PPC)) || LJ_TARGET_MIPS
int32_t LJ_FASTCALL lj_vm_modi(int32_t a, int32_t b)
{
uint32_t y, ua, ub;
lua_assert(b != 0); /* This must be checked before using this function. */
ua = a < 0 ? (uint32_t)-a : (uint32_t)a;
ub = b < 0 ? (uint32_t)-b : (uint32_t)b;
y = ua % ub;
if (y != 0 && (a^b) < 0) y = y - ub;
if (((int32_t)y^b) < 0) y = (uint32_t)-(int32_t)y;
return (int32_t)y;
}
#endif
#if LJ_HASJIT
#ifdef LUAJIT_NO_LOG2
@@ -73,20 +87,6 @@ double lj_vm_exp2(double a)
}
#endif
#if !(LJ_TARGET_ARM || LJ_TARGET_ARM64 || LJ_TARGET_PPC)
int32_t LJ_FASTCALL lj_vm_modi(int32_t a, int32_t b)
{
uint32_t y, ua, ub;
lua_assert(b != 0); /* This must be checked before using this function. */
ua = a < 0 ? (uint32_t)-a : (uint32_t)a;
ub = b < 0 ? (uint32_t)-b : (uint32_t)b;
y = ua % ub;
if (y != 0 && (a^b) < 0) y = y - ub;
if (((int32_t)y^b) < 0) y = (uint32_t)-(int32_t)y;
return (int32_t)y;
}
#endif
#if !LJ_TARGET_X86ORX64
/* Unsigned x^k. */
static double lj_vm_powui(double x, uint32_t k)