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8322790: RISC-V: Tune costs for shuffles with no conversion

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Reviewed-by: rehn, fyang
This commit is contained in:
Ilya Gavrilin
2024-01-08 15:53:58 +00:00
committed by Vladimir Kempik
parent c8fa3e21e6
commit 2acb5bd992
1 changed files with 5 additions and 4 deletions
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9
src/hotspot/cpu/riscv/riscv.ad
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@@ -1001,6 +1001,7 @@ definitions %{
int_def LOAD_COST ( 300, 3 * DEFAULT_COST); // load, fpload
int_def STORE_COST ( 100, 1 * DEFAULT_COST); // store, fpstore
int_def XFER_COST ( 300, 3 * DEFAULT_COST); // mfc, mtc, fcvt, fmove, fcmp
int_def FMVX_COST ( 100, 1 * DEFAULT_COST); // shuffles with no conversion
int_def BRANCH_COST ( 200, 2 * DEFAULT_COST); // branch, jmp, call
int_def IMUL_COST ( 1000, 10 * DEFAULT_COST); // imul
int_def IDIVSI_COST ( 3400, 34 * DEFAULT_COST); // idivsi
@@ -8674,7 +8675,7 @@ instruct MoveF2I_reg_reg(iRegINoSp dst, fRegF src) %{
effect(DEF dst, USE src);
ins_cost(XFER_COST);
ins_cost(FMVX_COST);
format %{ "fmv.x.w $dst, $src\t#@MoveF2I_reg_reg" %}
@@ -8692,7 +8693,7 @@ instruct MoveI2F_reg_reg(fRegF dst, iRegI src) %{
effect(DEF dst, USE src);
ins_cost(XFER_COST);
ins_cost(FMVX_COST);
format %{ "fmv.w.x $dst, $src\t#@MoveI2F_reg_reg" %}
@@ -8710,7 +8711,7 @@ instruct MoveD2L_reg_reg(iRegLNoSp dst, fRegD src) %{
effect(DEF dst, USE src);
ins_cost(XFER_COST);
ins_cost(FMVX_COST);
format %{ "fmv.x.d $dst, $src\t#@MoveD2L_reg_reg" %}
@@ -8728,7 +8729,7 @@ instruct MoveL2D_reg_reg(fRegD dst, iRegL src) %{
effect(DEF dst, USE src);
ins_cost(XFER_COST);
ins_cost(FMVX_COST);
format %{ "fmv.d.x $dst, $src\t#@MoveL2D_reg_reg" %}