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8181868: Remove use of 'has_fast_fxtof()'

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No longer used

Reviewed-by: kvn
This commit is contained in:
Patric Hedlin 2017-06-27 15:36:45 +02:00 committed by Nils Eliasson
parent 460a1d8fcd
commit 065a8981f5
3 changed files with 3 additions and 45 deletions
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44
hotspot/src/cpu/sparc/vm/sparc.ad
View File

@ -1760,13 +1760,8 @@ const bool Matcher::pass_original_key_for_aes() {
return true;
}
/* NOTE: All currently supported SPARC HW provides fast conversion.
*
* TODO: Clean-out code depending on 'has_fast_fxtof'.
*/
const bool Matcher::convL2FSupported(void) {
return VM_Version::has_fast_fxtof();
}
// NOTE: All currently supported SPARC HW provides fast conversion.
const bool Matcher::convL2FSupported(void) { return true; }
// Is this branch offset short enough that a short branch can be used?
//
@ -8244,40 +8239,6 @@ instruct mulD_regD_regD(regD dst, regD src1, regD src2) %{
ins_pipe(fmulD_reg_reg);
%}
instruct convL2D_reg_slow_fxtof(regD dst, stackSlotL src) %{
match(Set dst (ConvL2D src));
ins_cost(DEFAULT_COST*8 + MEMORY_REF_COST*6);
expand %{
regD_low tmpsrc;
iRegI ix43300000;
iRegI ix41f00000;
stackSlotL lx43300000;
stackSlotL lx41f00000;
regD_low dx43300000;
regD dx41f00000;
regD tmp1;
regD_low tmp2;
regD tmp3;
regD tmp4;
stkL_to_regD(tmpsrc, src);
loadConI_x43300000(ix43300000);
loadConI_x41f00000(ix41f00000);
regI_to_stkLHi(lx43300000, ix43300000);
regI_to_stkLHi(lx41f00000, ix41f00000);
stkL_to_regD(dx43300000, lx43300000);
stkL_to_regD(dx41f00000, lx41f00000);
convI2D_regDHi_regD(tmp1, tmpsrc);
regDHi_regDLo_to_regD(tmp2, dx43300000, tmpsrc);
subD_regD_regD(tmp3, tmp2, dx43300000);
mulD_regD_regD(tmp4, tmp1, dx41f00000);
addD_regD_regD(dst, tmp3, tmp4);
%}
%}
// Long to Double conversion using fast fxtof
instruct convL2D_helper(regD dst, regD tmp) %{
effect(DEF dst, USE tmp);
@ -8289,7 +8250,6 @@ instruct convL2D_helper(regD dst, regD tmp) %{
%}
instruct convL2D_stk_fast_fxtof(regD dst, stackSlotL src) %{
predicate(VM_Version::has_fast_fxtof());
match(Set dst (ConvL2D src));
ins_cost(DEFAULT_COST + 3 * MEMORY_REF_COST);
expand %{

3
hotspot/src/cpu/sparc/vm/vm_version_sparc.cpp
View File

@ -207,7 +207,7 @@ void VM_Version::initialize() {
char buf[512];
jio_snprintf(buf, sizeof(buf),
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
(has_v9() ? "v9" : ""),
(has_popc() ? ", popc" : ""),
(has_vis1() ? ", vis1" : ""),
@ -245,7 +245,6 @@ void VM_Version::initialize() {
(has_fast_bis() ? ", *bis" : ""),
(has_fast_ld() ? ", *ld" : ""),
(has_fast_cmove() ? ", *cmove" : ""),
(has_fast_fxtof() ? ", *fxtof" : ""),
(has_fast_ind_br() ? ", *ind_br" : ""),
(has_blk_zeroing() ? ", *blk_zeroing" : ""));

1
hotspot/src/cpu/sparc/vm/vm_version_sparc.hpp
View File

@ -252,7 +252,6 @@ public:
static bool has_fast_bis() { return (_features & CPU_fast_bis_msk) != 0; }
static bool has_fast_ld() { return (_features & CPU_fast_ld_msk) != 0; }
static bool has_fast_cmove() { return (_features & CPU_fast_cmove_msk) != 0; }
static bool has_fast_fxtof() { return true; }
// If indirect and direct branching is equally fast.
static bool has_fast_ind_br() { return (_features & CPU_fast_ind_br_msk) != 0; }