diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2021-08-12 21:18:46 +0200 |
|---|---|---|
| committer | Uros Bizjak <ubizjak@gmail.com> | 2021-08-12 21:19:46 +0200 |
| commit | 8c8df06e46493f6cb55333db72fa1802279b48b4 (patch) | |
| tree | 873faeb5c94024cef50dcd6443d56b3d40ef8017 /gcc | |
| parent | a6da2cddcf0e959de6666d4d74411af23507f9f9 (diff) | |
| download | gcc-8c8df06e46493f6cb55333db72fa1802279b48b4.zip gcc-8c8df06e46493f6cb55333db72fa1802279b48b4.tar.gz gcc-8c8df06e46493f6cb55333db72fa1802279b48b4.tar.bz2 | |
[i386] Introduce scalar version of avx512f_vmscalef.
2021-08-12 Uroš Bizjak <ubizjak@gmail.com>
gcc/
PR target/98309
* config/i386/i386.md (avx512f_scalef<mode>2): New insn pattern.
(ldexp<mode>3): Use avx512f_scalef<mode>2.
(UNSPEC_SCALEF): Move from ...
* config/i386/sse.md (UNSPEC_SCALEF): ... here.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/config/i386/i386.md | 27 | ||||
| -rw-r--r-- | gcc/config/i386/sse.md | 1 |
2 files changed, 19 insertions, 9 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 56b09c5..4a8e8fe 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -125,6 +125,9 @@ UNSPEC_RSQRT UNSPEC_PSADBW + ;; For AVX512F support + UNSPEC_SCALEF + ;; Generic math support UNSPEC_COPYSIGN UNSPEC_XORSIGN @@ -17894,6 +17897,17 @@ DONE; }) +(define_insn "avx512f_scalef<mode>2" + [(set (match_operand:MODEF 0 "register_operand" "=v") + (unspec:MODEF + [(match_operand:MODEF 1 "register_operand" "v") + (match_operand:MODEF 2 "nonimmediate_operand" "vm")] + UNSPEC_SCALEF))] + "TARGET_AVX512F" + "vscalef<ssemodesuffix>\t{%2, %1, %0|%0, %1, %2}" + [(set_attr "prefix" "evex") + (set_attr "mode" "<MODE>")]) + (define_expand "ldexpxf3" [(match_operand:XF 0 "register_operand") (match_operand:XF 1 "register_operand") @@ -17924,15 +17938,12 @@ if (TARGET_AVX512F && TARGET_SSE_MATH) { rtx op2 = gen_reg_rtx (<MODE>mode); - emit_insn (gen_floatsi<mode>2 (op2, operands[2])); - operands[0] = lowpart_subreg (<ssevecmodef>mode, operands[0], <MODE>mode); - if (MEM_P (operands[1])) + + if (!nonimmediate_operand (operands[1], <MODE>mode)) operands[1] = force_reg (<MODE>mode, operands[1]); - operands[1] = lowpart_subreg (<ssevecmodef>mode, operands[1], <MODE>mode); - op2 = lowpart_subreg (<ssevecmodef>mode, op2, <MODE>mode); - emit_insn (gen_avx512f_vmscalef<ssevecmodelower> (operands[0], - operands[1], - op2)); + + emit_insn (gen_floatsi<mode>2 (op2, operands[2])); + emit_insn (gen_avx512f_scalef<mode>2 (operands[0], operands[1], op2)); } else { diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 3a7bbae..60e69a4 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -92,7 +92,6 @@ UNSPEC_RCP14 UNSPEC_RSQRT14 UNSPEC_FIXUPIMM - UNSPEC_SCALEF UNSPEC_VTERNLOG UNSPEC_GETEXP UNSPEC_GETMANT |