@@ -1120,10 +1120,10 @@ (define_insn "umod<mode>3"
(set_attr "mode" "<MODE>")])
(define_insn "xor<mode>3"
- [(set (match_operand:ILASX 0 "register_operand" "=f,f,f")
- (xor:ILASX
- (match_operand:ILASX 1 "register_operand" "f,f,f")
- (match_operand:ILASX 2 "reg_or_vector_same_val_operand" "f,YC,Urv8")))]
+ [(set (match_operand:LASX 0 "register_operand" "=f,f,f")
+ (xor:LASX
+ (match_operand:LASX 1 "register_operand" "f,f,f")
+ (match_operand:LASX 2 "reg_or_vector_same_val_operand" "f,YC,Urv8")))]
"ISA_HAS_LASX"
"@
xvxor.v\t%u0,%u1,%u2
@@ -3147,6 +3147,20 @@ (define_expand "copysign<mode>3"
operands[5] = gen_reg_rtx (<MODE>mode);
})
+(define_expand "xorsign<mode>3"
+ [(set (match_dup 4)
+ (and:FLASX (match_dup 3)
+ (match_operand:FLASX 2 "register_operand")))
+ (set (match_operand:FLASX 0 "register_operand")
+ (xor:FLASX (match_dup 4)
+ (match_operand:FLASX 1 "register_operand")))]
+ "ISA_HAS_LASX"
+{
+ operands[3] = loongarch_build_signbit_mask (<MODE>mode, 1, 0);
+
+ operands[4] = gen_reg_rtx (<MODE>mode);
+})
+
(define_insn "absv4df2"
[(set (match_operand:V4DF 0 "register_operand" "=f")
@@ -6687,6 +6687,11 @@ loongarch_can_change_mode_class (machine_mode from, machine_mode to,
if (LSX_SUPPORTED_MODE_P (from) && LSX_SUPPORTED_MODE_P (to))
return true;
+ /* Allow conversion between LSX vector mode and scalar fp mode. */
+ if ((LSX_SUPPORTED_MODE_P (from) && SCALAR_FLOAT_MODE_P (to))
+ || ((SCALAR_FLOAT_MODE_P (from) && LSX_SUPPORTED_MODE_P (to))))
+ return true;
+
return !reg_classes_intersect_p (FP_REGS, rclass);
}
@@ -1146,6 +1146,23 @@ (define_insn "copysign<mode>3"
"fcopysign.<fmt>\t%0,%1,%2"
[(set_attr "type" "fcopysign")
(set_attr "mode" "<UNITMODE>")])
+
+(define_expand "@xorsign<mode>3"
+ [(match_operand:ANYF 0 "register_operand")
+ (match_operand:ANYF 1 "register_operand")
+ (match_operand:ANYF 2 "register_operand")]
+ "ISA_HAS_LSX"
+{
+ machine_mode lsx_mode
+ = <MODE>mode == SFmode ? V4SFmode : V2DFmode;
+ rtx tmp = gen_reg_rtx (lsx_mode);
+ rtx op1 = lowpart_subreg (lsx_mode, operands[1], <MODE>mode);
+ rtx op2 = lowpart_subreg (lsx_mode, operands[2], <MODE>mode);
+ emit_insn (gen_xorsign3 (lsx_mode, tmp, op1, op2));
+ emit_move_insn (operands[0],
+ lowpart_subreg (<MODE>mode, tmp, lsx_mode));
+ DONE;
+})
;;
;; ....................
@@ -1027,10 +1027,10 @@ (define_insn "umod<mode>3"
(set_attr "mode" "<MODE>")])
(define_insn "xor<mode>3"
- [(set (match_operand:ILSX 0 "register_operand" "=f,f,f")
- (xor:ILSX
- (match_operand:ILSX 1 "register_operand" "f,f,f")
- (match_operand:ILSX 2 "reg_or_vector_same_val_operand" "f,YC,Urv8")))]
+ [(set (match_operand:LSX 0 "register_operand" "=f,f,f")
+ (xor:LSX
+ (match_operand:LSX 1 "register_operand" "f,f,f")
+ (match_operand:LSX 2 "reg_or_vector_same_val_operand" "f,YC,Urv8")))]
"ISA_HAS_LSX"
"@
vxor.v\t%w0,%w1,%w2
@@ -2884,6 +2884,21 @@ (define_expand "copysign<mode>3"
operands[5] = gen_reg_rtx (<MODE>mode);
})
+(define_expand "@xorsign<mode>3"
+ [(set (match_dup 4)
+ (and:FLSX (match_dup 3)
+ (match_operand:FLSX 2 "register_operand")))
+ (set (match_operand:FLSX 0 "register_operand")
+ (xor:FLSX (match_dup 4)
+ (match_operand:FLSX 1 "register_operand")))]
+ "ISA_HAS_LSX"
+{
+ operands[3] = loongarch_build_signbit_mask (<MODE>mode, 1, 0);
+
+ operands[4] = gen_reg_rtx (<MODE>mode);
+})
+
+
(define_insn "absv2df2"
[(set (match_operand:V2DF 0 "register_operand" "=f")
(abs:V2DF (match_operand:V2DF 1 "register_operand" "f")))]
new file mode 100644
@@ -0,0 +1,60 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -ftree-vectorize -mlasx" } */
+/* { dg-require-effective-target loongarch_asx_hw } */
+
+#include "lasx-xorsign.c"
+
+extern void abort ();
+
+#define N 16
+float a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
+ -12.5f, -15.6f, -18.7f, -21.8f,
+ 24.9f, 27.1f, 30.2f, 33.3f,
+ 36.4f, 39.5f, 42.6f, 45.7f};
+float b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
+ -9.0f, 1.0f, -2.0f, 3.0f,
+ -4.0f, -5.0f, 6.0f, 7.0f,
+ -8.0f, -9.0f, 10.0f, 11.0f};
+float r[N];
+
+double ad[N] = {-0.1d, -3.2d, -6.3d, -9.4d,
+ -12.5d, -15.6d, -18.7d, -21.8d,
+ 24.9d, 27.1d, 30.2d, 33.3d,
+ 36.4d, 39.5d, 42.6d, 45.7d};
+double bd[N] = {-1.2d, 3.4d, -5.6d, 7.8d,
+ -9.0d, 1.0d, -2.0d, 3.0d,
+ -4.0d, -5.0d, 6.0d, 7.0d,
+ -8.0d, -9.0d, 10.0d, 11.0d};
+double rd[N];
+
+void
+__attribute__ ((optimize ("-O0")))
+check_xorsignf (void)
+{
+ for (int i = 0; i < N; i++)
+ if (r[i] != a[i] * __builtin_copysignf (1.0f, b[i]))
+ abort ();
+}
+
+void
+__attribute__ ((optimize ("-O0")))
+check_xorsign (void)
+{
+ for (int i = 0; i < N; i++)
+ if (rd[i] != ad[i] * __builtin_copysign (1.0d, bd[i]))
+ abort ();
+}
+
+int
+main (void)
+{
+ my_xorsignf (r, a, b, N);
+ /* check results: */
+ check_xorsignf ();
+
+ my_xorsign (rd, ad, bd, N);
+ /* check results: */
+ check_xorsign ();
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-vectorize -mlasx" } */
+/* { dg-final { scan-assembler "xvand\\.v" } } */
+/* { dg-final { scan-assembler "xvxor\\.v" } } */
+/* { dg-final { scan-assembler-not "xvfmul" } } */
+
+double
+my_xorsign (double *restrict a, double *restrict b, double *restrict c, int n)
+{
+ for (int i = 0; i < n; i++)
+ a[i] = b[i] * __builtin_copysign (1.0d, c[i]);
+}
+
+float
+my_xorsignf (float *restrict a, float *restrict b, float *restrict c, int n)
+{
+ for (int i = 0; i < n; i++)
+ a[i] = b[i] * __builtin_copysignf (1.0f, c[i]);
+}
new file mode 100644
@@ -0,0 +1,60 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -ftree-vectorize -mlsx" } */
+/* { dg-require-effective-target loongarch_asx_hw } */
+
+#include "lsx-xorsign.c"
+
+extern void abort ();
+
+#define N 16
+float a[N] = {-0.1f, -3.2f, -6.3f, -9.4f,
+ -12.5f, -15.6f, -18.7f, -21.8f,
+ 24.9f, 27.1f, 30.2f, 33.3f,
+ 36.4f, 39.5f, 42.6f, 45.7f};
+float b[N] = {-1.2f, 3.4f, -5.6f, 7.8f,
+ -9.0f, 1.0f, -2.0f, 3.0f,
+ -4.0f, -5.0f, 6.0f, 7.0f,
+ -8.0f, -9.0f, 10.0f, 11.0f};
+float r[N];
+
+double ad[N] = {-0.1d, -3.2d, -6.3d, -9.4d,
+ -12.5d, -15.6d, -18.7d, -21.8d,
+ 24.9d, 27.1d, 30.2d, 33.3d,
+ 36.4d, 39.5d, 42.6d, 45.7d};
+double bd[N] = {-1.2d, 3.4d, -5.6d, 7.8d,
+ -9.0d, 1.0d, -2.0d, 3.0d,
+ -4.0d, -5.0d, 6.0d, 7.0d,
+ -8.0d, -9.0d, 10.0d, 11.0d};
+double rd[N];
+
+void
+__attribute__ ((optimize ("-O0")))
+check_xorsignf (void)
+{
+ for (int i = 0; i < N; i++)
+ if (r[i] != a[i] * __builtin_copysignf (1.0f, b[i]))
+ abort ();
+}
+
+void
+__attribute__ ((optimize ("-O0")))
+check_xorsign (void)
+{
+ for (int i = 0; i < N; i++)
+ if (rd[i] != ad[i] * __builtin_copysign (1.0d, bd[i]))
+ abort ();
+}
+
+int
+main (void)
+{
+ my_xorsignf (r, a, b, N);
+ /* check results: */
+ check_xorsignf ();
+
+ my_xorsign (rd, ad, bd, N);
+ /* check results: */
+ check_xorsign ();
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftree-vectorize -mlsx" } */
+/* { dg-final { scan-assembler "vand\\.v" } } */
+/* { dg-final { scan-assembler "vxor\\.v" } } */
+/* { dg-final { scan-assembler-not "vfmul" } } */
+
+double
+my_xorsign (double *restrict a, double *restrict b, double *restrict c, int n)
+{
+ for (int i = 0; i < n; i++)
+ a[i] = b[i] * __builtin_copysign (1.0d, c[i]);
+}
+
+float
+my_xorsignf (float *restrict a, float *restrict b, float *restrict c, int n)
+{
+ for (int i = 0; i < n; i++)
+ a[i] = b[i] * __builtin_copysignf (1.0f, c[i]);
+}
new file mode 100644
@@ -0,0 +1,25 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -mlsx" } */
+/* { dg-require-effective-target loongarch_asx_hw } */
+
+extern void abort(void);
+
+static double x = 2.0;
+static float y = 2.0;
+
+int main()
+{
+ if ((2.5 * __builtin_copysign(1.0d, x)) != 2.5)
+ abort();
+
+ if ((2.5 * __builtin_copysign(1.0f, y)) != 2.5)
+ abort();
+
+ if ((2.5 * __builtin_copysignf(1.0d, -x)) != -2.5)
+ abort();
+
+ if ((2.5 * __builtin_copysignf(1.0f, -y)) != -2.5)
+ abort();
+
+ return 0;
+}
new file mode 100644
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -mlsx" } */
+/* { dg-final { scan-assembler "vand\\.v" } } */
+/* { dg-final { scan-assembler "vxor\\.v" } } */
+/* { dg-final { scan-assembler-not "fcopysign" } } */
+/* { dg-final { scan-assembler-not "fmul" } } */
+
+double
+my_xorsign (double a, double b)
+{
+ return a * __builtin_copysign (1.0d, b);
+}
+
+float
+my_xorsignf (float a, float b)
+{
+ return a * __builtin_copysignf (1.0f, b);
+}