ART: Implement rem_double/rem_float for x86/x86-64

This adds inlined version of the rem_double/rem_float bytecodes
for x86/x86-64 platforms. This patch also removes unnecessary
fmod and fmodf stubs from runtime.

Change-Id: I2311aa2adf08d6614527e0da070e3b6ce2343a20
Signed-off-by: Alexei Zavjalov <alexei.zavjalov@intel.com>
diff --git a/compiler/dex/quick/x86/assemble_x86.cc b/compiler/dex/quick/x86/assemble_x86.cc
index c7e289d..3f54798 100644
--- a/compiler/dex/quick/x86/assemble_x86.cc
+++ b/compiler/dex/quick/x86/assemble_x86.cc
@@ -407,10 +407,17 @@
   { kX86PslldRI, kRegImm, IS_BINARY_OP | REG_DEF0_USE0, { 0x66, 0, 0x0F, 0x72, 0, 6, 0, 1, false }, "PslldRI", "!0r,!1d" },
   { kX86PsllqRI, kRegImm, IS_BINARY_OP | REG_DEF0_USE0, { 0x66, 0, 0x0F, 0x73, 0, 6, 0, 1, false }, "PsllqRI", "!0r,!1d" },
 
-  { kX86Fild32M, kMem, IS_LOAD | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0, 0, 0xDB, 0x00, 0, 0, 0, 0, false }, "Fild32M", "[!0r,!1d]" },
-  { kX86Fild64M, kMem, IS_LOAD | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0, 0, 0xDF, 0x00, 0, 5, 0, 0, false }, "Fild64M", "[!0r,!1d]" },
-  { kX86Fstp32M, kMem, IS_STORE | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0, 0, 0xD9, 0x00, 0, 3, 0, 0, false }, "FstpsM", "[!0r,!1d]" },
-  { kX86Fstp64M, kMem, IS_STORE | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0, 0, 0xDD, 0x00, 0, 3, 0, 0, false }, "FstpdM", "[!0r,!1d]" },
+  { kX86Fild32M,  kMem,     IS_LOAD    | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0,  0,    0xDB, 0x00, 0, 0, 0, 0, false }, "Fild32M",  "[!0r,!1d]" },
+  { kX86Fild64M,  kMem,     IS_LOAD    | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0,  0,    0xDF, 0x00, 0, 5, 0, 0, false }, "Fild64M",  "[!0r,!1d]" },
+  { kX86Fld32M,   kMem,     IS_LOAD    | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0,  0,    0xD9, 0x00, 0, 0, 0, 0, false }, "Fld32M",   "[!0r,!1d]" },
+  { kX86Fld64M,   kMem,     IS_LOAD    | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0,  0,    0xDD, 0x00, 0, 0, 0, 0, false }, "Fld64M",   "[!0r,!1d]" },
+  { kX86Fstp32M,  kMem,     IS_STORE   | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0,  0,    0xD9, 0x00, 0, 3, 0, 0, false }, "Fstps32M", "[!0r,!1d]" },
+  { kX86Fstp64M,  kMem,     IS_STORE   | IS_UNARY_OP | REG_USE0 | USE_FP_STACK, { 0x0,  0,    0xDD, 0x00, 0, 3, 0, 0, false }, "Fstpd64M", "[!0r,!1d]" },
+  { kX86Fst32M,   kMem,     IS_STORE   | IS_UNARY_OP | REG_USE0,                { 0x0,  0,    0xD9, 0x00, 0, 2, 0, 0, false }, "Fsts32M",  "[!0r,!1d]" },
+  { kX86Fst64M,   kMem,     IS_STORE   | IS_UNARY_OP | REG_USE0,                { 0x0,  0,    0xDD, 0x00, 0, 2, 0, 0, false }, "Fstd64M",  "[!0r,!1d]" },
+  { kX86Fprem,    kNullary, NO_OPERAND | USE_FP_STACK,                          { 0xD9, 0,    0xF8, 0,    0, 0, 0, 0, false }, "Fprem64",  "" },
+  { kX86Fucompp,  kNullary, NO_OPERAND | USE_FP_STACK,                          { 0xDA, 0,    0xE9, 0,    0, 0, 0, 0, false }, "Fucompp",  "" },
+  { kX86Fstsw16R, kNullary, NO_OPERAND,                                         { 0x9B, 0xDF, 0xE0, 0,    0, 0, 0, 0, false }, "Fstsw16R", "ax" },
 
   EXT_0F_ENCODING_MAP(Mova128,    0x66, 0x6F, REG_DEF0),
   { kX86Mova128MR, kMemReg,   IS_STORE | IS_TERTIARY_OP | REG_USE02,  { 0x66, 0, 0x0F, 0x6F, 0, 0, 0, 0, false }, "Mova128MR", "[!0r+!1d],!2r" },