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7059034: Use movxtod/movdtox on T4

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Use new VIS3 mov instructions on T4 for move data between general and float registers.

Reviewed-by: never, twisti
This commit is contained in:
Vladimir Kozlov 2011-07-08 09:38:48 -07:00
parent 9120c1e85c
commit 20a26c54cd
4 changed files with 407 additions and 216 deletions
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34
hotspot/src/cpu/sparc/vm/assembler_sparc.hpp
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@ -716,6 +716,8 @@ class Assembler : public AbstractAssembler {
casa_op3 = 0x3c,
casxa_op3 = 0x3e,
mftoi_op3 = 0x36,
alt_bit_op3 = 0x10,
cc_bit_op3 = 0x10
};
@ -750,7 +752,13 @@ class Assembler : public AbstractAssembler {
fitod_opf = 0xc8,
fstod_opf = 0xc9,
fstoi_opf = 0xd1,
fdtoi_opf = 0xd2
fdtoi_opf = 0xd2,
mdtox_opf = 0x110,
mstouw_opf = 0x111,
mstosw_opf = 0x113,
mxtod_opf = 0x118,
mwtos_opf = 0x119
};
enum RCondition { rc_z = 1, rc_lez = 2, rc_lz = 3, rc_nz = 5, rc_gz = 6, rc_gez = 7 };
@ -1061,6 +1069,9 @@ class Assembler : public AbstractAssembler {
return x & ((1 << 10) - 1);
}
// instruction only in VIS3
static void vis3_only() { assert( VM_Version::has_vis3(), "This instruction only works on SPARC with VIS3"); }
// instruction only in v9
static void v9_only() { assert( VM_Version::v9_instructions_work(), "This instruction only works on SPARC V9"); }
@ -1247,8 +1258,8 @@ public:
// pp 159
void ftox( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { v9_only(); emit_long( op(arith_op) | fd(d, w) | op3(fpop1_op3) | opf(0x80 + w) | fs2(s, w)); }
void ftoi( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { emit_long( op(arith_op) | fd(d, w) | op3(fpop1_op3) | opf(0xd0 + w) | fs2(s, w)); }
void ftox( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { v9_only(); emit_long( op(arith_op) | fd(d, FloatRegisterImpl::D) | op3(fpop1_op3) | opf(0x80 + w) | fs2(s, w)); }
void ftoi( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { emit_long( op(arith_op) | fd(d, FloatRegisterImpl::S) | op3(fpop1_op3) | opf(0xd0 + w) | fs2(s, w)); }
// pp 160
@ -1256,8 +1267,8 @@ public:
// pp 161
void fxtof( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { v9_only(); emit_long( op(arith_op) | fd(d, w) | op3(fpop1_op3) | opf(0x80 + w*4) | fs2(s, w)); }
void fitof( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { emit_long( op(arith_op) | fd(d, w) | op3(fpop1_op3) | opf(0xc0 + w*4) | fs2(s, w)); }
void fxtof( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { v9_only(); emit_long( op(arith_op) | fd(d, w) | op3(fpop1_op3) | opf(0x80 + w*4) | fs2(s, FloatRegisterImpl::D)); }
void fitof( FloatRegisterImpl::Width w, FloatRegister s, FloatRegister d ) { emit_long( op(arith_op) | fd(d, w) | op3(fpop1_op3) | opf(0xc0 + w*4) | fs2(s, FloatRegisterImpl::S)); }
// pp 162
@ -1709,6 +1720,19 @@ public:
inline void wrasi( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(3, 29, 25)); }
inline void wrfprs( Register d) { v9_only(); emit_long( op(arith_op) | rs1(d) | op3(wrreg_op3) | u_field(6, 29, 25)); }
// VIS3 instructions
void movstosw( FloatRegister s, Register d ) { vis3_only(); emit_long( op(arith_op) | rd(d) | op3(mftoi_op3) | opf(mstosw_opf) | fs2(s, FloatRegisterImpl::S)); }
void movstouw( FloatRegister s, Register d ) { vis3_only(); emit_long( op(arith_op) | rd(d) | op3(mftoi_op3) | opf(mstouw_opf) | fs2(s, FloatRegisterImpl::S)); }
void movdtox( FloatRegister s, Register d ) { vis3_only(); emit_long( op(arith_op) | rd(d) | op3(mftoi_op3) | opf(mdtox_opf) | fs2(s, FloatRegisterImpl::D)); }
void movwtos( Register s, FloatRegister d ) { vis3_only(); emit_long( op(arith_op) | fd(d, FloatRegisterImpl::S) | op3(mftoi_op3) | opf(mwtos_opf) | rs2(s)); }
void movxtod( Register s, FloatRegister d ) { vis3_only(); emit_long( op(arith_op) | fd(d, FloatRegisterImpl::D) | op3(mftoi_op3) | opf(mxtod_opf) | rs2(s)); }
// For a given register condition, return the appropriate condition code
// Condition (the one you would use to get the same effect after "tst" on
// the target register.)