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Add half support for AVX512 register view.
This adds support for the half datatype, FP16, to the AVX512 register printing. gdb/ChangeLog: 2020-07-21 Felix Willgerodt <[email protected]> * i386-tdep.c (i386_zmm_type) <v32_half>: New field. (i386_ymm_type) <v16_half>: New field. (i386_gdbarch_init): Add set_gdbarch_half_format. * features/i386/64bit-avx512.xml: Add half type. * features/i386/64bit-avx512.c: Regenerated. * features/i386/64bit-sse.xml: Add half type. * features/i386/64bit-sse.c: Regenerated. gdb/testsuite/ChangeLog: 2021-07-21 Felix Willgerodt <[email protected]> * gdb.arch/x86-avx512fp16.c: New file. * gdb.arch/x86-avx512fp16.exp: New file. * lib/gdb.exp (skip_avx512fp16_tests): New function.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| /* Test program for bfloat16 of AVX 512 registers. | ||
| Copyright 2021 Free Software Foundation, Inc. | ||
| This file is part of GDB. | ||
| This program is free software; you can redistribute it and/or modify | ||
| it under the terms of the GNU General Public License as published by | ||
| the Free Software Foundation; either version 3 of the License, or | ||
| (at your option) any later version. | ||
| This program is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU General Public License for more details. | ||
| You should have received a copy of the GNU General Public License | ||
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ | ||
|
|
||
| typedef struct | ||
| { | ||
| float f[4]; | ||
| } v4sd_t; | ||
|
|
||
| typedef struct | ||
| { | ||
| float f[8]; | ||
| } v8sd_t; | ||
|
|
||
| typedef struct | ||
| { | ||
| float f[16]; | ||
| } v16sd_t; | ||
|
|
||
| v4sd_t xmm_data[] = | ||
| { | ||
| { { 0.0, 0.125, 0.25, 0.375 } }, | ||
| { { 0.5, 0.625, 0.75, 0.875 } }, | ||
| { { 1.0, 1.125, 1.25, 1.375 } }, | ||
| { { 1.5, 1.625, 1.75, 1.875 } }, | ||
| { { 2.0, 2.125, 2.25, 2.375 } }, | ||
| { { 2.5, 2.625, 2.75, 2.875 } }, | ||
| { { 3.0, 3.125, 3.25, 3.375 } }, | ||
| { { 3.5, 3.625, 3.75, 3.875 } }, | ||
| }; | ||
|
|
||
| v8sd_t ymm_data[] = | ||
| { | ||
| { { 8.0, 8.25, 8.5, 8.75, 9.0, 9.25, 9.5, 9.75 } }, | ||
| { { 10.0, 10.25, 10.5, 10.75, 11.0, 11.25, 11.5, 11.75 } }, | ||
| { { 12.0, 12.25, 12.5, 12.75, 13.0, 13.25, 13.5, 13.75 } }, | ||
| { { 14.0, 14.25, 14.5, 14.75, 15.0, 15.25, 15.5, 15.75 } }, | ||
| { { 16.0, 16.25, 16.5, 16.75, 17.0, 17.25, 17.5, 17.75 } }, | ||
| { { 18.0, 18.25, 18.5, 18.75, 19.0, 19.25, 19.5, 19.75 } }, | ||
| { { 20.0, 20.25, 20.5, 20.75, 21.0, 21.25, 21.5, 21.75 } }, | ||
| { { 22.0, 22.25, 22.5, 22.75, 23.0, 23.25, 23.5, 23.75 } }, | ||
| }; | ||
|
|
||
| v16sd_t zmm_data[] = | ||
| { | ||
| { { 20.0, 20.5, 21.0, 21.5, 22.0, 22.5, 23.0, 23.5, 24.0, 24.5, | ||
| 25.0, 25.5, 26.0, 26.5, 27.0, 27.5 } }, | ||
| { { 28.0, 28.5, 29.0, 29.5, 30.0, 30.5, 31.0, 31.5, 32.0, 32.5, | ||
| 33.0, 33.5, 34.0, 34.5, 35.0, 35.5 } }, | ||
| { { 36.0, 36.5, 37.0, 37.5, 38.0, 38.5, 39.0, 39.5, 40.0, 40.5, | ||
| 41.0, 41.5, 42.0, 42.5, 43.0, 43.5 } }, | ||
| { { 44.0, 44.5, 45.0, 45.5, 46.0, 46.5, 47.0, 47.5, 48.0, 48.5, | ||
| 49.0, 49.5, 50.0, 50.5, 51.0, 51.5 } }, | ||
| { { 52.0, 52.5, 53.0, 53.5, 54.0, 54.5, 55.0, 55.5, 56.0, 56.5, | ||
| 57.0, 57.5, 58.0, 58.5, 59.0, 59.5 } }, | ||
| { { 60.0, 60.5, 61.0, 61.5, 62.0, 62.5, 63.0, 63.5, 64.0, 64.5, | ||
| 65.0, 65.5, 66.0, 66.5, 67.0, 67.5 } }, | ||
| { { 68.0, 68.5, 69.0, 69.5, 70.0, 70.5, 71.0, 71.5, 72.0, 72.5, | ||
| 73.0, 73.5, 74.0, 74.5, 75.0, 75.5 } }, | ||
| { { 76.0, 76.5, 77.0, 77.5, 78.0, 78.5, 79.0, 79.5, 80.0, 80.5, | ||
| 81.0, 81.5, 82.0, 82.5, 83.0, 83.5 } }, | ||
| }; | ||
|
|
||
| void | ||
| move_data_to_xmm_reg (void) | ||
| { | ||
| asm ("vmovups 0(%0), %%xmm0 \n\t" | ||
| "vmovups 16(%0), %%xmm1 \n\t" | ||
| "vmovups 32(%0), %%xmm2 \n\t" | ||
| "vmovups 48(%0), %%xmm3 \n\t" | ||
| "vmovups 64(%0), %%xmm4 \n\t" | ||
| "vmovups 80(%0), %%xmm5 \n\t" | ||
| "vmovups 96(%0), %%xmm6 \n\t" | ||
| "vmovups 112(%0), %%xmm7 \n\t" | ||
| : /* no output operands */ | ||
| : "r" (xmm_data)); | ||
| } | ||
|
|
||
| void | ||
| move_data_to_ymm_reg (void) | ||
| { | ||
| asm ("vmovups 0(%0), %%ymm0 \n\t" | ||
| "vmovups 32(%0), %%ymm1 \n\t" | ||
| "vmovups 64(%0), %%ymm2 \n\t" | ||
| "vmovups 96(%0), %%ymm3 \n\t" | ||
| "vmovups 128(%0), %%ymm4 \n\t" | ||
| "vmovups 160(%0), %%ymm5 \n\t" | ||
| "vmovups 192(%0), %%ymm6 \n\t" | ||
| "vmovups 224(%0), %%ymm7 \n\t" | ||
| : /* no output operands */ | ||
| : "r" (ymm_data)); | ||
| } | ||
|
|
||
| void | ||
| move_data_to_zmm_reg (void) | ||
| { | ||
| asm ("vmovups 0(%0), %%zmm0 \n\t" | ||
| "vmovups 64(%0), %%zmm1 \n\t" | ||
| "vmovups 128(%0), %%zmm2 \n\t" | ||
| "vmovups 192(%0), %%zmm3 \n\t" | ||
| "vmovups 256(%0), %%zmm4 \n\t" | ||
| "vmovups 320(%0), %%zmm5 \n\t" | ||
| "vmovups 384(%0), %%zmm6 \n\t" | ||
| "vmovups 448(%0), %%zmm7 \n\t" | ||
| : /* no output operands */ | ||
| : "r" (zmm_data)); | ||
| } | ||
|
|
||
| void | ||
| convert_xmm_from_float_to_half (void) | ||
| { | ||
| asm("vcvtps2phx %xmm1, %xmm0"); | ||
| asm("vcvtps2phx %xmm7, %xmm6"); | ||
| } | ||
|
|
||
| void | ||
| convert_ymm_from_float_to_half (void) | ||
| { | ||
| asm("vcvtps2phx %ymm1, %xmm0"); | ||
| asm("vcvtps2phx %ymm7, %xmm6"); | ||
| } | ||
|
|
||
| void | ||
| convert_zmm_from_float_to_half (void) | ||
| { | ||
| asm("vcvtps2phx %zmm1, %ymm0"); | ||
| asm("vcvtps2phx %zmm7, %ymm6"); | ||
| } | ||
|
|
||
| int | ||
| main () | ||
| { | ||
| /* Move initial values from array to registers and read from XMM regs. */ | ||
| move_data_to_xmm_reg (); | ||
| convert_xmm_from_float_to_half (); | ||
| asm ("nop"); /* first breakpoint here */ | ||
|
|
||
| /* Move initial values from array to registers and read from YMM regs. */ | ||
| move_data_to_ymm_reg (); | ||
| convert_ymm_from_float_to_half (); | ||
| asm ("nop"); /* second breakpoint here */ | ||
|
|
||
| /* Move initial values from array to registers and read from ZMM regs. */ | ||
| move_data_to_zmm_reg (); | ||
| convert_zmm_from_float_to_half (); | ||
| asm ("nop"); /* third breakpoint here */ | ||
|
|
||
| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| # Copyright 2021 Free Software Foundation, Inc. | ||
|
|
||
| # This program is free software; you can redistribute it and/or modify | ||
| # it under the terms of the GNU General Public License as published by | ||
| # the Free Software Foundation; either version 3 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # This program is distributed in the hope that it will be useful, | ||
| # but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| # GNU General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU General Public License | ||
| # along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
||
| # Test fp16 support in AVX512 registers. | ||
|
|
||
| if { [skip_avx512fp16_tests] } { | ||
| unsupported "target does not support AVX512fp16" | ||
| return -1 | ||
| } | ||
|
|
||
| standard_testfile | ||
|
|
||
| if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { | ||
| return -1 | ||
| } | ||
|
|
||
| if { ![runto_main] } { | ||
| unsupported "could not run to main" | ||
| return -1 | ||
| } | ||
|
|
||
| # Test xmm. | ||
| set line1 [gdb_get_line_number "first breakpoint here"] | ||
| gdb_breakpoint $line1 | ||
| gdb_continue_to_breakpoint "line1" ".*$srcfile:$line1.*" | ||
|
|
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| gdb_test "print \$xmm0.v8_half" \ | ||
| "= \\{0.5, 0.625, 0.75, 0.875, 0, 0, 0, 0\\}" | ||
|
|
||
| gdb_test "print \$xmm6.v8_half" \ | ||
| "= \\{3.5, 3.625, 3.75, 3.875, 0, 0, 0, 0\\}" | ||
|
|
||
| # Test ymm. | ||
| set line2 [gdb_get_line_number "second breakpoint here"] | ||
| gdb_breakpoint $line2 | ||
| gdb_continue_to_breakpoint "line2" ".*$srcfile:$line2.*" | ||
|
|
||
| gdb_test "print \$ymm0.v16_half\[1\]" "= 10.25" | ||
| gdb_test "print \$ymm6.v16_half\[1\]" "= 22.25" | ||
|
|
||
| # Test zmm. | ||
| set line3 [gdb_get_line_number "third breakpoint here"] | ||
| gdb_breakpoint $line3 | ||
| gdb_continue_to_breakpoint "line3" ".*$srcfile:$line3.*" | ||
|
|
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| gdb_test "print \$zmm0.v32_half\[1\]" "= 28.5" | ||
| gdb_test "print \$zmm6.v32_half\[1\]" "= 76.5" | ||
|
|
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| # Test setting of half values. | ||
| gdb_test_no_output "set var \$xmm0.v8_half\[0\] = 32.25" | ||
| gdb_test_no_output "set var \$ymm3.v16_half\[1\] = 33.5" | ||
| gdb_test_no_output "set var \$zmm7.v32_half\[2\] = 22.75" | ||
|
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| gdb_test "p \$xmm0.v8_half\[0\]" "= 32.25" | ||
| gdb_test "p \$ymm3.v16_half\[1\]" "= 33.5" | ||
| gdb_test "p \$zmm7.v32_half\[2\]" "= 22.75" |
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