aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--gcc/config/arm/mve.md6
-rw-r--r--gcc/config/arm/neon.md12
-rw-r--r--gcc/config/arm/unspecs.md2
-rw-r--r--gcc/config/arm/vec-common.md6
-rw-r--r--gcc/testsuite/gcc.target/arm/simd/mve-vneg.c49
5 files changed, 63 insertions, 12 deletions
diff --git a/gcc/config/arm/mve.md b/gcc/config/arm/mve.md
index 86d7fc6..b4c5a1e2 100644
--- a/gcc/config/arm/mve.md
+++ b/gcc/config/arm/mve.md
@@ -271,8 +271,7 @@
(define_insn "mve_vnegq_f<mode>"
[
(set (match_operand:MVE_0 0 "s_register_operand" "=w")
- (unspec:MVE_0 [(match_operand:MVE_0 1 "s_register_operand" "w")]
- VNEGQ_F))
+ (neg:MVE_0 (match_operand:MVE_0 1 "s_register_operand" "w")))
]
"TARGET_HAVE_MVE && TARGET_HAVE_MVE_FLOAT"
"vneg.f%#<V_sz_elem> %q0, %q1"
@@ -422,8 +421,7 @@
(define_insn "mve_vnegq_s<mode>"
[
(set (match_operand:MVE_2 0 "s_register_operand" "=w")
- (unspec:MVE_2 [(match_operand:MVE_2 1 "s_register_operand" "w")]
- VNEGQ_S))
+ (neg:MVE_2 (match_operand:MVE_2 1 "s_register_operand" "w")))
]
"TARGET_HAVE_MVE"
"vneg.s%#<V_sz_elem> %q0, %q1"
diff --git a/gcc/config/arm/neon.md b/gcc/config/arm/neon.md
index f58d4f5..d2e92ba 100644
--- a/gcc/config/arm/neon.md
+++ b/gcc/config/arm/neon.md
@@ -775,7 +775,7 @@
(const_string "neon_abs<q>")))]
)
-(define_insn "neg<mode>2"
+(define_insn "neon_neg<mode>2"
[(set (match_operand:VDQW 0 "s_register_operand" "=w")
(neg:VDQW (match_operand:VDQW 1 "s_register_operand" "w")))]
"TARGET_NEON"
@@ -786,7 +786,7 @@
(const_string "neon_neg<q>")))]
)
-(define_insn "<absneg_str><mode>2"
+(define_insn "neon_<absneg_str><mode>2"
[(set (match_operand:VH 0 "s_register_operand" "=w")
(ABSNEG:VH (match_operand:VH 1 "s_register_operand" "w")))]
"TARGET_NEON_FP16INST"
@@ -800,7 +800,7 @@
(ABSNEG:VH (match_operand:VH 1 "s_register_operand")))]
"TARGET_NEON_FP16INST"
{
- emit_insn (gen_<absneg_str><mode>2 (operands[0], operands[1]));
+ emit_insn (gen_neon_<absneg_str><mode>2 (operands[0], operands[1]));
DONE;
})
@@ -952,7 +952,7 @@
if (s_register_operand (operands[2], <MODE>mode))
{
rtx neg = gen_reg_rtx (<MODE>mode);
- emit_insn (gen_neg<mode>2 (neg, operands[2]));
+ emit_insn (gen_neon_neg<mode>2 (neg, operands[2]));
emit_insn (gen_ashl<mode>3_signed (operands[0], operands[1], neg));
}
else
@@ -969,7 +969,7 @@
if (s_register_operand (operands[2], <MODE>mode))
{
rtx neg = gen_reg_rtx (<MODE>mode);
- emit_insn (gen_neg<mode>2 (neg, operands[2]));
+ emit_insn (gen_neon_neg<mode>2 (neg, operands[2]));
emit_insn (gen_ashl<mode>3_unsigned (operands[0], operands[1], neg));
}
else
@@ -2953,7 +2953,7 @@
(match_operand:VDQW 1 "s_register_operand")]
"TARGET_NEON"
{
- emit_insn (gen_neg<mode>2 (operands[0], operands[1]));
+ emit_insn (gen_neon_neg<mode>2 (operands[0], operands[1]));
DONE;
})
diff --git a/gcc/config/arm/unspecs.md b/gcc/config/arm/unspecs.md
index e581645..ef64989 100644
--- a/gcc/config/arm/unspecs.md
+++ b/gcc/config/arm/unspecs.md
@@ -530,7 +530,6 @@
VRNDMQ_F
VRNDAQ_F
VREV64Q_F
- VNEGQ_F
VDUPQ_N_F
VABSQ_F
VREV32Q_F
@@ -549,7 +548,6 @@
VREV64Q_S
VREV64Q_U
VQABSQ_S
- VNEGQ_S
VDUPQ_N_U
VDUPQ_N_S
VCLZQ_U
diff --git a/gcc/config/arm/vec-common.md b/gcc/config/arm/vec-common.md
index 37ff518..2d0932b 100644
--- a/gcc/config/arm/vec-common.md
+++ b/gcc/config/arm/vec-common.md
@@ -199,3 +199,9 @@
(not:VDQ (match_operand:VDQ 1 "s_register_operand")))]
"ARM_HAVE_<MODE>_ARITH"
)
+
+(define_expand "neg<mode>2"
+ [(set (match_operand:VDQWH 0 "s_register_operand" "")
+ (neg:VDQWH (match_operand:VDQWH 1 "s_register_operand" "")))]
+ "ARM_HAVE_<MODE>_ARITH"
+)
diff --git a/gcc/testsuite/gcc.target/arm/simd/mve-vneg.c b/gcc/testsuite/gcc.target/arm/simd/mve-vneg.c
new file mode 100644
index 0000000..afd0d60
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/simd/mve-vneg.c
@@ -0,0 +1,49 @@
+/* { dg-do assemble } */
+/* { dg-require-effective-target arm_v8_1m_mve_fp_ok } */
+/* { dg-add-options arm_v8_1m_mve_fp } */
+/* { dg-additional-options "-O3" } */
+
+#include <stdint.h>
+#include <arm_mve.h>
+
+#define FUNC(SIGN, TYPE, BITS, NB, OP, NAME) \
+ void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE##BITS##_t * __restrict__ dest, TYPE##BITS##_t *a) { \
+ int i; \
+ for (i=0; i<NB; i++) { \
+ dest[i] = OP a[i]; \
+ } \
+}
+
+#define FUNC_FLOAT(SIGN, TYPE, BITS, NB, OP, NAME) \
+ void test_ ## NAME ##_ ## SIGN ## BITS ## x ## NB (TYPE * __restrict__ dest, TYPE *a) { \
+ int i; \
+ for (i=0; i<NB; i++) { \
+ dest[i] = OP a[i]; \
+ } \
+}
+
+/* vmnvq supports only 16-bit and 32-bit elements. */
+/* 64-bit vectors. */
+FUNC(s, int, 32, 2, -, vneg)
+FUNC(u, uint, 32, 2, -, vneg)
+FUNC(s, int, 16, 4, -, vneg)
+FUNC(u, uint, 16, 4, -, vneg)
+FUNC(s, int, 8, 8, -, vneg)
+FUNC(u, uint, 8, 8, -, vneg)
+FUNC_FLOAT(f, float, 32, 2, -, vneg)
+FUNC(f, float, 16, 4, -, vneg)
+
+/* 128-bit vectors. */
+FUNC(s, int, 32, 4, -, vneg)
+FUNC(u, uint, 32, 4, -, vneg)
+FUNC(s, int, 16, 8, -, vneg)
+FUNC(u, uint, 16, 8, -, vneg)
+FUNC(s, int, 8, 16, -, vneg)
+FUNC(u, uint, 8, 16, -, vneg)
+FUNC_FLOAT(f, float, 32, 4, -, vneg)
+FUNC(f, float, 16, 8, -, vneg)
+
+/* MVE has only 128-bit vectors, so we can vectorize only half of the
+ functions above. */
+/* { dg-final { scan-assembler-times {vneg.s[0-9]+ q[0-9]+, q[0-9]+} 6 } } */
+/* { dg-final { scan-assembler-times {vneg.f[0-9]+ q[0-9]+, q[0-9]+} 2 } } */