From: Claudio Bantaloukas <[email protected]>

This patch adds the following intrinsics (all __arm_streaming only) along with
asm tests for them:
- svfloat16x2_t svcvt1_f16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvt2_f16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvt1_bf16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvt2_bf16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvtl1_f16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvtl2_f16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvtl1_bf16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)
- svfloat16x2_t svcvtl2_bf16[_mf8]_x2_fpm(svmfloat8_t zn, fpm_t fpm)

gcc/
        * config/aarch64/aarch64-sve-builtins-sve2.cc (svcvtl1, svcvtl2): Added
        new FUNTIONs.
        * config/aarch64/aarch64-sve-builtins-sve2.def
        (svcvt1, svcvt2, svcvtl1, svcvtl2): Added new DEF_SVE_FUNCTION_GS_FPM.
        * config/aarch64/aarch64-sve-builtins-sve2.h (svcvtl1, svcvtl2): Added
        new function_base.
        * config/aarch64/aarch64-sve-builtins.cc
        (function_resolver::resolve_unary): use group_suffix_id when resolving
        C overloads.
        * config/aarch64/aarch64-sve2.md
        (@aarch64_sve2_fp8_cvt_<fp8_cvt_uns_op><mode>): Added new define_insn.
        * config/aarch64/aarch64.h (TARGET_SSME2_FP8): Added new define.
        * config/aarch64/iterators.md
        (UNSPEC_F1CVTL. UNSPEC_F2CVTL): Added new unspecs.
        (FP8CVT_UNS): Extended int_iterator.
        (fp8_cvt_uns_op): Likewise.

gcc/testsuite/
        * g++.target/aarch64/sme2/aarch64-sme2-acle-asm.exp: Use tuning flag
        to reduce churn in testsuites.
        * gcc.target/aarch64/sme2/aarch64-sme2-acle-asm.exp: Likewise.
        * gcc.target/aarch64/sme2/acle-asm/cvt_mf8.c: Added test file.
        * gcc.target/aarch64/sme2/acle-asm/cvtl_mf8.c: Likewise.
        * gcc.target/aarch64/sve/acle/asm/test_sve_acle.h (TEST_X2_WIDE): Added
        fpm0 argument for intrinsics.
---
 .../aarch64/aarch64-sve-builtins-sve2.cc      |  2 +
 .../aarch64/aarch64-sve-builtins-sve2.def     |  8 ++++
 .../aarch64/aarch64-sve-builtins-sve2.h       |  2 +
 gcc/config/aarch64/aarch64-sve-builtins.cc    |  3 +-
 gcc/config/aarch64/aarch64-sve2.md            | 10 ++++
 gcc/config/aarch64/aarch64.h                  |  2 +
 gcc/config/aarch64/iterators.md               |  6 +++
 .../aarch64/sme2/aarch64-sme2-acle-asm.exp    |  5 +-
 .../aarch64/sme2/aarch64-sme2-acle-asm.exp    |  5 +-
 .../aarch64/sme2/acle-asm/cvt_mf8.c           | 47 +++++++++++++++++++
 .../aarch64/sme2/acle-asm/cvtl_mf8.c          | 47 +++++++++++++++++++
 .../aarch64/sve/acle/asm/test_sve_acle.h      |  1 +
 12 files changed, 135 insertions(+), 3 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvt_mf8.c
 create mode 100644 gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvtl_mf8.c

diff --git a/gcc/config/aarch64/aarch64-sve-builtins-sve2.cc b/gcc/config/aarch64/aarch64-sve-builtins-sve2.cc
index 95c5ed81d61..ee392c3a745 100644
--- a/gcc/config/aarch64/aarch64-sve-builtins-sve2.cc
+++ b/gcc/config/aarch64/aarch64-sve-builtins-sve2.cc
@@ -1020,6 +1020,8 @@ FUNCTION (svclamp, svclamp_impl,)
 FUNCTION (svcvt1, svcvt_fp8_impl, (UNSPEC_F1CVT))
 FUNCTION (svcvt2, svcvt_fp8_impl, (UNSPEC_F2CVT))
 FUNCTION (svcvtl, svcvtl_impl,)
+FUNCTION (svcvtl1, svcvt_fp8_impl, (UNSPEC_F1CVTL))
+FUNCTION (svcvtl2, svcvt_fp8_impl, (UNSPEC_F2CVTL))
 FUNCTION (svcvtlt1, svcvt_fp8_impl, (UNSPEC_F1CVTLT))
 FUNCTION (svcvtlt2, svcvt_fp8_impl, (UNSPEC_F2CVTLT))
 FUNCTION (svcvtlt, unspec_based_function, (-1, -1, UNSPEC_COND_FCVTLT))
diff --git a/gcc/config/aarch64/aarch64-sve-builtins-sve2.def b/gcc/config/aarch64/aarch64-sve-builtins-sve2.def
index b622fe33458..8029afd4007 100644
--- a/gcc/config/aarch64/aarch64-sve-builtins-sve2.def
+++ b/gcc/config/aarch64/aarch64-sve-builtins-sve2.def
@@ -418,3 +418,11 @@ DEF_SVE_FUNCTION_GS_FPM (svdot_lane, ternary_mfloat8_lane_group_selection, s_flo
 DEF_SVE_FUNCTION_GS_FPM (svdot, ternary_mfloat8, h_float_mf8, none, none, set)
 DEF_SVE_FUNCTION_GS_FPM (svdot_lane, ternary_mfloat8_lane_group_selection, h_float_mf8, none, none, set)
 #undef REQUIRED_EXTENSIONS
+
+#define REQUIRED_EXTENSIONS \
+  streaming_only (AARCH64_FL_SME2 | AARCH64_FL_FP8)
+DEF_SVE_FUNCTION_GS_FPM (svcvt1, unary_convert, cvt_mf8, x2, none, set)
+DEF_SVE_FUNCTION_GS_FPM (svcvt2, unary_convert, cvt_mf8, x2, none, set)
+DEF_SVE_FUNCTION_GS_FPM (svcvtl1, unary_convert, cvt_mf8, x2, none, set)
+DEF_SVE_FUNCTION_GS_FPM (svcvtl2, unary_convert, cvt_mf8, x2, none, set)
+#undef REQUIRED_EXTENSIONS
diff --git a/gcc/config/aarch64/aarch64-sve-builtins-sve2.h b/gcc/config/aarch64/aarch64-sve-builtins-sve2.h
index 6d7d0af2641..7c1745f5c9e 100644
--- a/gcc/config/aarch64/aarch64-sve-builtins-sve2.h
+++ b/gcc/config/aarch64/aarch64-sve-builtins-sve2.h
@@ -64,6 +64,8 @@ namespace aarch64_sve
     extern const function_base *const svcvt1;
     extern const function_base *const svcvt2;
     extern const function_base *const svcvtl;
+    extern const function_base *const svcvtl1;
+    extern const function_base *const svcvtl2;
     extern const function_base *const svcvtlt;
     extern const function_base *const svcvtlt1;
     extern const function_base *const svcvtlt2;
diff --git a/gcc/config/aarch64/aarch64-sve-builtins.cc b/gcc/config/aarch64/aarch64-sve-builtins.cc
index 068a92d004d..21efa6135c2 100644
--- a/gcc/config/aarch64/aarch64-sve-builtins.cc
+++ b/gcc/config/aarch64/aarch64-sve-builtins.cc
@@ -3207,7 +3207,8 @@ function_resolver::resolve_unary (type_class_index merge_tclass,
   /* Handle convert-like functions in which the first type suffix is
      explicit.  */
   if (type_suffix_ids[0] != NUM_TYPE_SUFFIXES)
-    return resolve_to (mode_suffix_id, type_suffix_ids[0], type);
+    return resolve_to (mode_suffix_id, type_suffix_ids[0], type,
+		       group_suffix_id);
 
   return resolve_to (mode_suffix_id, type);
 }
diff --git a/gcc/config/aarch64/aarch64-sve2.md b/gcc/config/aarch64/aarch64-sve2.md
index 91091835182..ab8098d3327 100644
--- a/gcc/config/aarch64/aarch64-sve2.md
+++ b/gcc/config/aarch64/aarch64-sve2.md
@@ -3591,6 +3591,16 @@
   [(set_attr "sve_type" "sve_fp_cvt")]
 )
 
+(define_insn "@aarch64_sve2_fp8_cvt_<fp8_cvt_uns_op><mode>"
+  [(set (match_operand:SVE_FULL_HFx2 0 "aligned_register_operand" "=Uw2")
+	(unspec:SVE_FULL_HFx2
+	  [(match_operand:VNx16QI 1 "register_operand" "w")
+	  (reg:DI FPM_REGNUM)]
+	  FP8CVT_UNS))]
+  "TARGET_SSME2_FP8"
+  "<b><fp8_cvt_uns_op>\t%0, %1.b"
+)
+
 ;; -------------------------------------------------------------------------
 ;; ---- [FP<-FP] Multi-vector narrowing conversions
 ;; -------------------------------------------------------------------------
diff --git a/gcc/config/aarch64/aarch64.h b/gcc/config/aarch64/aarch64.h
index 2cd929d83f9..b0fb88beca5 100644
--- a/gcc/config/aarch64/aarch64.h
+++ b/gcc/config/aarch64/aarch64.h
@@ -531,6 +531,8 @@ through +ssve-fp8dot2.  */
 		(TARGET_SVE2 && TARGET_FP8DOT2) || TARGET_STREAMING) \
 		&& (AARCH64_HAVE_ISA(SSVE_FP8DOT2) || TARGET_NON_STREAMING))
 
+#define TARGET_SSME2_FP8 (TARGET_FP8 && TARGET_STREAMING_SME2)
+
 /* Standard register usage.  */
 
 /* 31 64-bit general purpose registers R0-R30:
diff --git a/gcc/config/aarch64/iterators.md b/gcc/config/aarch64/iterators.md
index 517b2808b5f..2af509ecb49 100644
--- a/gcc/config/aarch64/iterators.md
+++ b/gcc/config/aarch64/iterators.md
@@ -1047,8 +1047,10 @@
     UNSPEC_EORBT	; Used in aarch64-sve2.md.
     UNSPEC_EORTB	; Used in aarch64-sve2.md.
     UNSPEC_F1CVT	; Used in aarch64-sve2.md.
+    UNSPEC_F1CVTL	; Used in aarch64-sve2.md.
     UNSPEC_F1CVTLT	; Used in aarch64-sve2.md.
     UNSPEC_F2CVT	; Used in aarch64-sve2.md.
+    UNSPEC_F2CVTL	; Used in aarch64-sve2.md.
     UNSPEC_F2CVTLT	; Used in aarch64-sve2.md.
     UNSPEC_FADDP	; Used in aarch64-sve2.md.
     UNSPEC_FCVTNB	; Used in aarch64-sve2.md.
@@ -3990,6 +3992,8 @@
 (define_int_iterator FP8CVT_UNS
   [UNSPEC_F1CVT
    UNSPEC_F2CVT
+   UNSPEC_F1CVTL
+   UNSPEC_F2CVTL
    UNSPEC_F1CVTLT
    UNSPEC_F2CVTLT])
 
@@ -5124,5 +5128,7 @@
 (define_int_attr fp8_cvt_uns_op
   [(UNSPEC_F1CVT "f1cvt")
    (UNSPEC_F2CVT "f2cvt")
+   (UNSPEC_F1CVTL "f1cvtl")
+   (UNSPEC_F2CVTL "f2cvtl")
    (UNSPEC_F1CVTLT "f1cvtlt")
    (UNSPEC_F2CVTLT "f2cvtlt")])
diff --git a/gcc/testsuite/g++.target/aarch64/sme2/aarch64-sme2-acle-asm.exp b/gcc/testsuite/g++.target/aarch64/sme2/aarch64-sme2-acle-asm.exp
index 334b1108ddc..74e46933ca3 100644
--- a/gcc/testsuite/g++.target/aarch64/sme2/aarch64-sme2-acle-asm.exp
+++ b/gcc/testsuite/g++.target/aarch64/sme2/aarch64-sme2-acle-asm.exp
@@ -39,7 +39,10 @@ if { [check_effective_target_aarch64_sme2] } {
 
 # Turn off any codegen tweaks by default that may affect expected assembly.
 # Tests relying on those should turn them on explicitly.
-set sme2_flags "$sme2_flags -mtune=generic -moverride=tune=none"
+set sme2_flags "$sme2_flags -mtune=generic "
+set sme2_flags "$sme2_flags -moverride=tune=none"
+# Reduce testsuite churn when writing to fmpr
+set sme2_flags "$sme2_flags -moverride=tune=cheap_fpmr_write"
 
 global gcc_runtest_parallelize_limit_minor
 if { [info exists gcc_runtest_parallelize_limit_minor] } {
diff --git a/gcc/testsuite/gcc.target/aarch64/sme2/aarch64-sme2-acle-asm.exp b/gcc/testsuite/gcc.target/aarch64/sme2/aarch64-sme2-acle-asm.exp
index 6bd8784779c..42b6fccf865 100644
--- a/gcc/testsuite/gcc.target/aarch64/sme2/aarch64-sme2-acle-asm.exp
+++ b/gcc/testsuite/gcc.target/aarch64/sme2/aarch64-sme2-acle-asm.exp
@@ -39,7 +39,10 @@ if { [check_effective_target_aarch64_sme2] } {
 
 # Turn off any codegen tweaks by default that may affect expected assembly.
 # Tests relying on those should turn them on explicitly.
-set sme2_flags "$sme2_flags -mtune=generic -moverride=tune=none"
+set sme2_flags "$sme2_flags -mtune=generic "
+set sme2_flags "$sme2_flags -moverride=tune=none"
+# Reduce testsuite churn when writing to fmpr
+set sme2_flags "$sme2_flags -moverride=tune=cheap_fpmr_write"
 
 global gcc_runtest_parallelize_limit_minor
 if { [info exists gcc_runtest_parallelize_limit_minor] } {
diff --git a/gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvt_mf8.c b/gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvt_mf8.c
new file mode 100644
index 00000000000..0fb20c8edf8
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvt_mf8.c
@@ -0,0 +1,47 @@
+/* { dg-do assemble { target { aarch64_asm_fp8_ok && aarch64_asm_sme2_ok } } } */
+/* { dg-do compile { target { ! { aarch64_asm_fp8_ok && aarch64_asm_sme2_ok } } } } */
+/* { dg-final { check-function-bodies "**" "" "-DCHECK_ASM" } } */
+
+#include "test_sme2_acle.h"
+
+#pragma GCC target "+fp8"
+
+/*
+** cvt1_f16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	f1cvt	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvt1_f16_mf8_x2_fpm, svfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvt1_f16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvt1_f16_x2_fpm (z0, fpm0))
+
+/*
+** cvt1_bf16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	bf1cvt	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvt1_bf16_mf8_x2_fpm, svbfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvt1_bf16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvt1_bf16_x2_fpm (z0, fpm0))
+
+/*
+** cvt2_f16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	f2cvt	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvt2_f16_mf8_x2_fpm, svfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvt2_f16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvt2_f16_x2_fpm (z0, fpm0))
+
+/*
+** cvt2_bf16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	bf2cvt	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvt2_bf16_mf8_x2_fpm, svbfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvt2_bf16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvt2_bf16_x2_fpm (z0, fpm0))
diff --git a/gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvtl_mf8.c b/gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvtl_mf8.c
new file mode 100644
index 00000000000..8a8326bd068
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/sme2/acle-asm/cvtl_mf8.c
@@ -0,0 +1,47 @@
+/* { dg-do assemble { target { aarch64_asm_fp8_ok && aarch64_asm_sme2_ok } } } */
+/* { dg-do compile { target { ! { aarch64_asm_fp8_ok && aarch64_asm_sme2_ok } } } } */
+/* { dg-final { check-function-bodies "**" "" "-DCHECK_ASM" } } */
+
+#include "test_sme2_acle.h"
+
+#pragma GCC target "+fp8"
+
+/*
+** cvtl1_f16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	f1cvtl	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvtl1_f16_mf8_x2_fpm, svfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvtl1_f16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvtl1_f16_x2_fpm (z0, fpm0))
+
+/*
+** cvtl1_bf16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	bf1cvtl	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvtl1_bf16_mf8_x2_fpm, svbfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvtl1_bf16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvtl1_bf16_x2_fpm (z0, fpm0))
+
+/*
+** cvtl2_f16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	f2cvtl	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvtl2_f16_mf8_x2_fpm, svfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvtl2_f16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvtl2_f16_x2_fpm (z0, fpm0))
+
+/*
+** cvtl2_bf16_mf8_x2_fpm:
+**	msr	fpmr, x0
+**	bf2cvtl	{z0\.h - z1\.h}, z0\.b
+**	ret
+*/
+TEST_X2_WIDE (cvtl2_bf16_mf8_x2_fpm, svbfloat16x2_t, svmfloat8_t,
+	      z0_res = svcvtl2_bf16_mf8_x2_fpm (z0, fpm0),
+	      z0_res = svcvtl2_bf16_x2_fpm (z0, fpm0))
diff --git a/gcc/testsuite/gcc.target/aarch64/sve/acle/asm/test_sve_acle.h b/gcc/testsuite/gcc.target/aarch64/sve/acle/asm/test_sve_acle.h
index 0adb39ad8b2..7c156c4cf2a 100644
--- a/gcc/testsuite/gcc.target/aarch64/sve/acle/asm/test_sve_acle.h
+++ b/gcc/testsuite/gcc.target/aarch64/sve/acle/asm/test_sve_acle.h
@@ -767,6 +767,7 @@
 #define TEST_X2_WIDE(NAME, TTYPE, ZTYPE, CODE1, CODE2)		\
   PROTO (NAME, void, ())					\
   {								\
+    register fpm_t fpm0 __asm ("x0");				\
     register ZTYPE z0 __asm ("z0");				\
     register ZTYPE z5 __asm ("z5");				\
     register TTYPE z6 __asm ("z6");				\

Reply via email to