Hi,
For complex scalar intrinsic like _mm_mask_fcmadd_sch, the
mask should be and by 1 to ensure the mask is bind to lowest byte.
Use masked vmovss to perform same operation which omits higher bits
of mask.
Bootstraped/regtested on x86_64-pc-linux-gnu{-m32,} and sde.
Ok for master?
gcc/ChangeLog:
PR target/104978
* config/i386/sse.md
(avx512fp16_fmaddcsh_v8hf_mask1<round_expand_name):
Use avx512f_movsf_mask instead of vmovaps or vblend.
(avx512fp16_fcmaddcsh_v8hf_mask1<round_expand_name): Likewise.
gcc/testsuite/ChangeLog:
PR target/104978
* gcc.target/i386/avx512fp16-vfcmaddcsh-1a.c: Adjust scan.
* gcc.target/i386/avx512fp16-vfmaddcsh-1a.c: Ditto.
* gcc.target/i386/avx512fp16-vfcmaddcsh-1c.c: Removed.
* gcc.target/i386/avx512fp16-vfmaddcsh-1c.c: Ditto.
* gcc.target/i386/pr104978.c: New test.
---
gcc/config/i386/sse.md | 48 ++++---------------
.../i386/avx512fp16-vfcmaddcsh-1a.c | 4 +-
.../i386/avx512fp16-vfcmaddcsh-1c.c | 13 -----
.../gcc.target/i386/avx512fp16-vfmaddcsh-1a.c | 4 +-
.../gcc.target/i386/avx512fp16-vfmaddcsh-1c.c | 13 -----
gcc/testsuite/gcc.target/i386/pr104978.c | 18 +++++++
6 files changed, 30 insertions(+), 70 deletions(-)
delete mode 100644 gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1c.c
delete mode 100644 gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1c.c
create mode 100644 gcc/testsuite/gcc.target/i386/pr104978.c
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 21bf3c55c95..1087a37812f 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -6586,26 +6586,10 @@ (define_expand
"avx512fp16_fmaddcsh_v8hf_mask1<round_expand_name>"
emit_insn (gen_avx512fp16_fmaddcsh_v8hf_mask (operands[0],
operands[1], operands[2], operands[3], operands[4]));
- if (TARGET_AVX512VL)
- {
- op0 = lowpart_subreg (V4SFmode, operands[0], V8HFmode);
- op1 = lowpart_subreg (V4SFmode, operands[1], V8HFmode);
- emit_insn (gen_avx512vl_loadv4sf_mask (op0, op0, op1, operands[4]));
- }
- else
- {
- rtx mask, tmp, vec_mask;
- mask = lowpart_subreg (SImode, operands[4], QImode),
- tmp = gen_reg_rtx (SImode);
- emit_insn (gen_ashlsi3 (tmp, mask, GEN_INT (31)));
- vec_mask = gen_reg_rtx (V4SImode);
- emit_insn (gen_rtx_SET (vec_mask, CONST0_RTX (V4SImode)));
- emit_insn (gen_vec_setv4si_0 (vec_mask, vec_mask, tmp));
- vec_mask = lowpart_subreg (V4SFmode, vec_mask, V4SImode);
- op0 = lowpart_subreg (V4SFmode, operands[0], V8HFmode);
- op1 = lowpart_subreg (V4SFmode, operands[1], V8HFmode);
- emit_insn (gen_sse4_1_blendvps (op0, op1, op0, vec_mask));
- }
+ op0 = lowpart_subreg (V4SFmode, operands[0], V8HFmode);
+ op1 = lowpart_subreg (V4SFmode, operands[1], V8HFmode);
+ emit_insn (gen_avx512f_movsf_mask (op1, op1, op0, op1, operands[4]));
+ emit_move_insn (op0, op1);
DONE;
})
@@ -6641,26 +6625,10 @@ (define_expand
"avx512fp16_fcmaddcsh_v8hf_mask1<round_expand_name>"
emit_insn (gen_avx512fp16_fcmaddcsh_v8hf_mask (operands[0],
operands[1], operands[2], operands[3], operands[4]));
- if (TARGET_AVX512VL)
- {
- op0 = lowpart_subreg (V4SFmode, operands[0], V8HFmode);
- op1 = lowpart_subreg (V4SFmode, operands[1], V8HFmode);
- emit_insn (gen_avx512vl_loadv4sf_mask (op0, op0, op1, operands[4]));
- }
- else
- {
- rtx mask, tmp, vec_mask;
- mask = lowpart_subreg (SImode, operands[4], QImode),
- tmp = gen_reg_rtx (SImode);
- emit_insn (gen_ashlsi3 (tmp, mask, GEN_INT (31)));
- vec_mask = gen_reg_rtx (V4SImode);
- emit_insn (gen_rtx_SET (vec_mask, CONST0_RTX (V4SImode)));
- emit_insn (gen_vec_setv4si_0 (vec_mask, vec_mask, tmp));
- vec_mask = lowpart_subreg (V4SFmode, vec_mask, V4SImode);
- op0 = lowpart_subreg (V4SFmode, operands[0], V8HFmode);
- op1 = lowpart_subreg (V4SFmode, operands[1], V8HFmode);
- emit_insn (gen_sse4_1_blendvps (op0, op1, op0, vec_mask));
- }
+ op0 = lowpart_subreg (V4SFmode, operands[0], V8HFmode);
+ op1 = lowpart_subreg (V4SFmode, operands[1], V8HFmode);
+ emit_insn (gen_avx512f_movsf_mask (op1, op1, op0, op1, operands[4]));
+ emit_move_insn (op0, op1);
DONE;
})
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1a.c
b/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1a.c
index eb96588df39..0f87861f09b 100644
--- a/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1a.c
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1a.c
@@ -1,13 +1,13 @@
/* { dg-do compile } */
-/* { dg-options "-mavx512fp16 -mno-avx512vl -O2" } */
+/* { dg-options "-mavx512fp16 -O2" } */
/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\{rz-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vblendvps\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 2 } } */
/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}+(?:\n|\[
\\t\]+#)" 2 } } */
#include <immintrin.h>
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1c.c
b/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1c.c
deleted file mode 100644
index 79a295f722c..00000000000
--- a/gcc/testsuite/gcc.target/i386/avx512fp16-vfcmaddcsh-1c.c
+++ /dev/null
@@ -1,13 +0,0 @@
-/* { dg-do compile } */
-/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
-/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
-/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
-/* { dg-final { scan-assembler-times "vfcmaddcsh\[
\\t\]+\{rz-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vblendmps\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
-/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 2 } } */
-
-#include "avx512fp16-vfcmaddcsh-1a.c"
-
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1a.c
b/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1a.c
index 288d1c12a10..6b07957a8bb 100644
--- a/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1a.c
+++ b/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1a.c
@@ -1,13 +1,13 @@
/* { dg-do compile } */
-/* { dg-options "-mavx512fp16 -mno-avx512vl -O2" } */
+/* { dg-options "-mavx512fp16 -O2" } */
/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\{rz-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vblendvps\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 2 } } */
/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 2 } } */
+/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}+(?:\n|\[
\\t\]+#)" 2 } } */
#include <immintrin.h>
diff --git a/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1c.c
b/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1c.c
deleted file mode 100644
index 7863f8f9af9..00000000000
--- a/gcc/testsuite/gcc.target/i386/avx512fp16-vfmaddcsh-1c.c
+++ /dev/null
@@ -1,13 +0,0 @@
-/* { dg-do compile } */
-/* { dg-options "-mavx512fp16 -mavx512vl -O2" } */
-/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
-/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\{rn-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
-/* { dg-final { scan-assembler-times "vfmaddcsh\[
\\t\]+\{rz-sae\}\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\{z\}\[^\n\r]*(?:\n|\[
\\t\]+#)" 1 } } */
-/* { dg-final { scan-assembler-times "vblendmps\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}\[^\{\n\r]*(?:\n|\[
\\t\]+#)" 2 } } */
-/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+(?:\n|\[
\\t\]+#)" 2 } } */
-
-#include "avx512fp16-vfmaddcsh-1a.c"
-
diff --git a/gcc/testsuite/gcc.target/i386/pr104978.c
b/gcc/testsuite/gcc.target/i386/pr104978.c
new file mode 100644
index 00000000000..54788171aff
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr104978.c
@@ -0,0 +1,18 @@
+/* PR target/104978 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -mavx512fp16" } */
+/* { dg-final { scan-assembler-times "vmovss\[
\\t\]+\[^\{\n\]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\[^\n\r]*%xmm\[0-9\]+\{%k\[0-9\]\}+(?:\n|\[
\\t\]+#)" 2 } } */
+
+#include<immintrin.h>
+
+__m128h
+foo (__m128h a, __m128h b, __m128h c, __mmask8 m)
+{
+ return _mm_mask_fmadd_round_sch (a, m, b, c, 8);
+}
+
+__m128h
+foo2 (__m128h a, __m128h b, __m128h c, __mmask8 m)
+{
+ return _mm_mask_fcmadd_round_sch (a, m, b, c, 8);
+}
--
2.18.1
