;; Build a V2DF/V2DI vector from two scalars
(define_insn "vsx_concat_<mode>"
- [(set (match_operand:VSX_D 0 "gpc_reg_operand" "=<VSa>,we")
+ [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wa,we")
(vec_concat:VSX_D
- (match_operand:<VS_scalar> 1 "gpc_reg_operand" "<VS_64reg>,b")
- (match_operand:<VS_scalar> 2 "gpc_reg_operand" "<VS_64reg>,b")))]
+ (match_operand:<VS_scalar> 1 "gpc_reg_operand" "wa,b")
+ (match_operand:<VS_scalar> 2 "gpc_reg_operand" "wa,b")))]
"VECTOR_MEM_VSX_P (<MODE>mode)"
{
if (which_alternative == 0)
}
[(set_attr "type" "vecperm")])
+;; Combiner patterns to allow creating XXPERMDI's to access either double
+;; word element in a vector register.
+(define_insn "*vsx_concat_<mode>_1"
+ [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wa")
+ (vec_concat:VSX_D
+ (vec_select:<VS_scalar>
+ (match_operand:VSX_D 1 "gpc_reg_operand" "wa")
+ (parallel [(match_operand:QI 2 "const_0_to_1_operand" "n")]))
+ (match_operand:<VS_scalar> 3 "gpc_reg_operand" "wa")))]
+ "VECTOR_MEM_VSX_P (<MODE>mode)"
+{
+ HOST_WIDE_INT dword = INTVAL (operands[2]);
+ if (BYTES_BIG_ENDIAN)
+ {
+ operands[4] = GEN_INT (2*dword);
+ return "xxpermdi %x0,%x1,%x3,%4";
+ }
+ else
+ {
+ operands[4] = GEN_INT (!dword);
+ return "xxpermdi %x0,%x3,%x1,%4";
+ }
+}
+ [(set_attr "type" "vecperm")])
+
+(define_insn "*vsx_concat_<mode>_2"
+ [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wa")
+ (vec_concat:VSX_D
+ (match_operand:<VS_scalar> 1 "gpc_reg_operand" "wa")
+ (vec_select:<VS_scalar>
+ (match_operand:VSX_D 2 "gpc_reg_operand" "wa")
+ (parallel [(match_operand:QI 3 "const_0_to_1_operand" "n")]))))]
+ "VECTOR_MEM_VSX_P (<MODE>mode)"
+{
+ HOST_WIDE_INT dword = INTVAL (operands[3]);
+ if (BYTES_BIG_ENDIAN)
+ {
+ operands[4] = GEN_INT (dword);
+ return "xxpermdi %x0,%x1,%x2,%4";
+ }
+ else
+ {
+ operands[4] = GEN_INT (2 * !dword);
+ return "xxpermdi %x0,%x2,%x1,%4";
+ }
+}
+ [(set_attr "type" "vecperm")])
+
+(define_insn "*vsx_concat_<mode>_3"
+ [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wa")
+ (vec_concat:VSX_D
+ (vec_select:<VS_scalar>
+ (match_operand:VSX_D 1 "gpc_reg_operand" "wa")
+ (parallel [(match_operand:QI 2 "const_0_to_1_operand" "n")]))
+ (vec_select:<VS_scalar>
+ (match_operand:VSX_D 3 "gpc_reg_operand" "wa")
+ (parallel [(match_operand:QI 4 "const_0_to_1_operand" "n")]))))]
+ "VECTOR_MEM_VSX_P (<MODE>mode)"
+{
+ HOST_WIDE_INT dword1 = INTVAL (operands[2]);
+ HOST_WIDE_INT dword2 = INTVAL (operands[4]);
+ if (BYTES_BIG_ENDIAN)
+ {
+ operands[5] = GEN_INT ((2 * dword1) + dword2);
+ return "xxpermdi %x0,%x1,%x3,%5";
+ }
+ else
+ {
+ operands[5] = GEN_INT ((2 * !dword2) + !dword1);
+ return "xxpermdi %x0,%x3,%x1,%5";
+ }
+}
+ [(set_attr "type" "vecperm")])
+
;; Special purpose concat using xxpermdi to glue two single precision values
;; together, relying on the fact that internally scalar floats are represented
;; as doubles. This is used to initialize a V4SF vector with 4 floats
DONE;
})
-;; Set the element of a V2DI/VD2F mode
-(define_insn "vsx_set_<mode>"
- [(set (match_operand:VSX_D 0 "vsx_register_operand" "=wd,?<VSa>")
- (unspec:VSX_D
- [(match_operand:VSX_D 1 "vsx_register_operand" "wd,<VSa>")
- (match_operand:<VS_scalar> 2 "vsx_register_operand" "<VS_64reg>,<VSa>")
- (match_operand:QI 3 "u5bit_cint_operand" "i,i")]
- UNSPEC_VSX_SET))]
+;; Rewrite V2DF/V2DI set in terms of VEC_CONCAT
+(define_expand "vsx_set_<mode>"
+ [(use (match_operand:VSX_D 0 "vsx_register_operand"))
+ (use (match_operand:VSX_D 1 "vsx_register_operand"))
+ (use (match_operand:<VS_scalar> 2 "gpc_reg_operand"))
+ (use (match_operand:QI 3 "const_0_to_1_operand"))]
"VECTOR_MEM_VSX_P (<MODE>mode)"
{
- int idx_first = BYTES_BIG_ENDIAN ? 0 : 1;
- if (INTVAL (operands[3]) == idx_first)
- return \"xxpermdi %x0,%x2,%x1,1\";
- else if (INTVAL (operands[3]) == 1 - idx_first)
- return \"xxpermdi %x0,%x1,%x2,0\";
+ rtx dest = operands[0];
+ rtx vec_reg = operands[1];
+ rtx value = operands[2];
+ rtx ele = operands[3];
+ rtx tmp = gen_reg_rtx (<VS_scalar>mode);
+
+ if (ele == const0_rtx)
+ {
+ emit_insn (gen_vsx_extract_<mode> (tmp, vec_reg, const1_rtx));
+ emit_insn (gen_vsx_concat_<mode> (dest, value, tmp));
+ DONE;
+ }
+ else if (ele == const1_rtx)
+ {
+ emit_insn (gen_vsx_extract_<mode> (tmp, vec_reg, const0_rtx));
+ emit_insn (gen_vsx_concat_<mode> (dest, tmp, value));
+ DONE;
+ }
else
gcc_unreachable ();
-}
- [(set_attr "type" "vecperm")])
+})
;; Extract a DF/DI element from V2DF/V2DI
;; Optimize cases were we can do a simple or direct move.
--- /dev/null
+#include <altivec.h>
+
+/* Test various ways of creating vectors with 2 double words and accessing the
+ elements. This include files supports:
+
+ testing double
+ testing long on 64-bit systems
+ testing long long on 32-bit systems.
+
+ The endian support is:
+
+ big endian
+ little endian with little endian element ordering
+ little endian with big endian element ordering. */
+
+#ifdef DEBUG
+#include <stdio.h>
+#define DEBUG0(STR) fputs (STR, stdout)
+#define DEBUG2(STR,A,B) printf (STR, A, B)
+
+static int errors = 0;
+
+#else
+#include <stdlib.h>
+#define DEBUG0(STR)
+#define DEBUG2(STR,A,B)
+#endif
+
+#if defined(DO_DOUBLE)
+#define TYPE double
+#define STYPE "double"
+#define ZERO 0.0
+#define ONE 1.0
+#define TWO 2.0
+#define THREE 3.0
+#define FOUR 4.0
+#define FIVE 5.0
+#define SIX 6.0
+#define FMT "g"
+
+#elif defined(_ARCH_PPC64)
+#define TYPE long
+#define STYPE "long"
+#define ZERO 0L
+#define ONE 1L
+#define TWO 2L
+#define THREE 3L
+#define FOUR 4L
+#define FIVE 5L
+#define SIX 6L
+#define FMT "ld"
+
+#else
+#define TYPE long long
+#define STYPE "long long"
+#define ZERO 0LL
+#define ONE 1LL
+#define TWO 2LL
+#define THREE 3LL
+#define FOUR 4LL
+#define FIVE 5LL
+#define SIX 6LL
+#define FMT "lld"
+#endif
+
+/* Macros to order the left/right values correctly. Note, -maltivec=be does
+ not change the order for static initializations, so we have to handle it
+ specially. */
+
+#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#define INIT_ORDER(A, B) (TYPE) A, (TYPE) B
+#define ELEMENT_ORDER(A, B) (TYPE) A, (TYPE) B
+#define ENDIAN "-mbig"
+
+#elif __VEC_ELEMENT_REG_ORDER__ == __ORDER_BIG_ENDIAN__
+#define NO_ARRAY
+#define INIT_ORDER(A, B) (TYPE) B, (TYPE) A
+#define ELEMENT_ORDER(A, B) (TYPE) A, (TYPE) B
+#define ENDIAN "-mlittle -maltivec=be"
+
+#else
+#define INIT_ORDER(A, B) (TYPE) B, (TYPE) A
+#define ELEMENT_ORDER(A, B) (TYPE) B, (TYPE) A
+#define ENDIAN "-mlittle"
+#endif
+
+static volatile TYPE five = FIVE;
+static volatile TYPE six = SIX;
+static volatile vector TYPE s_v12 = { ONE, TWO };
+static volatile vector TYPE g_v34 = { THREE, FOUR };
+
+
+__attribute__((__noinline__))
+static void
+vector_check (vector TYPE v, TYPE expect_hi, TYPE expect_lo)
+{
+ TYPE actual_hi, actual_lo;
+#ifdef DEBUG
+ const char *pass_fail;
+#endif
+
+ __asm__ ("xxlor %x0,%x1,%x1" : "=&wa" (actual_hi) : "wa" (v));
+ __asm__ ("xxpermdi %x0,%x1,%x1,3" : "=&wa" (actual_lo) : "wa" (v));
+
+#ifdef DEBUG
+ if ((actual_hi == expect_hi) && (actual_lo == expect_lo))
+ pass_fail = ", pass";
+ else
+ {
+ pass_fail = ", fail";
+ errors++;
+ }
+
+ printf ("Expected %" FMT ", %" FMT ", got %" FMT ", %" FMT "%s\n",
+ expect_hi, expect_lo,
+ actual_hi, actual_lo,
+ pass_fail);
+#else
+ if ((actual_hi != expect_hi) || (actual_lo != expect_lo))
+ abort ();
+#endif
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+combine (TYPE op0, TYPE op1)
+{
+ return (vector TYPE) { op0, op1 };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+combine_insert (TYPE op0, TYPE op1)
+{
+ vector TYPE ret = (vector TYPE) { ZERO, ZERO };
+ ret = vec_insert (op0, ret, 0);
+ ret = vec_insert (op1, ret, 1);
+ return ret;
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract_00 (vector TYPE a, vector TYPE b)
+{
+ return (vector TYPE) { vec_extract (a, 0), vec_extract (b, 0) };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract_01 (vector TYPE a, vector TYPE b)
+{
+ return (vector TYPE) { vec_extract (a, 0), vec_extract (b, 1) };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract_10 (vector TYPE a, vector TYPE b)
+{
+ return (vector TYPE) { vec_extract (a, 1), vec_extract (b, 0) };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract_11 (vector TYPE a, vector TYPE b)
+{
+ return (vector TYPE) { vec_extract (a, 1), vec_extract (b, 1) };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract2_0s (vector TYPE a, TYPE b)
+{
+ return (vector TYPE) { vec_extract (a, 0), b };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract2_1s (vector TYPE a, TYPE b)
+{
+ return (vector TYPE) { vec_extract (a, 1), b };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract2_s0 (TYPE a, vector TYPE b)
+{
+ return (vector TYPE) { a, vec_extract (b, 0) };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract2_s1 (TYPE a, vector TYPE b)
+{
+ return (vector TYPE) { a, vec_extract (b, 1) };
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+concat_extract_nn (vector TYPE a, vector TYPE b, size_t i, size_t j)
+{
+ return (vector TYPE) { vec_extract (a, i), vec_extract (b, j) };
+}
+
+#ifndef NO_ARRAY
+__attribute__((__noinline__))
+static vector TYPE
+array_0 (vector TYPE v, TYPE a)
+{
+ v[0] = a;
+ return v;
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+array_1 (vector TYPE v, TYPE a)
+{
+ v[1] = a;
+ return v;
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+array_01 (vector TYPE v, TYPE a, TYPE b)
+{
+ v[0] = a;
+ v[1] = b;
+ return v;
+}
+
+__attribute__((__noinline__))
+static vector TYPE
+array_01b (TYPE a, TYPE b)
+{
+ vector TYPE v = (vector TYPE) { 0, 0 };
+ v[0] = a;
+ v[1] = b;
+ return v;
+}
+#endif
+
+int
+main (void)
+{
+ vector TYPE a = (vector TYPE) { ONE, TWO };
+ vector TYPE b = (vector TYPE) { THREE, FOUR };
+ size_t i, j;
+
+#ifndef NO_ARRAY
+ vector TYPE z = (vector TYPE) { ZERO, ZERO };
+#endif
+
+ DEBUG2 ("Endian: %s, type: %s\n", ENDIAN, STYPE);
+ DEBUG0 ("\nStatic/global initialization\n");
+ vector_check (s_v12, INIT_ORDER (1, 2));
+ vector_check (g_v34, INIT_ORDER (3, 4));
+
+ DEBUG0 ("\nVector via constant runtime intiialization\n");
+ vector_check (a, INIT_ORDER (1, 2));
+ vector_check (b, INIT_ORDER (3, 4));
+
+ DEBUG0 ("\nCombine scalars using vector initialization\n");
+ vector_check (combine (1, 2), INIT_ORDER (1, 2));
+ vector_check (combine (3, 4), INIT_ORDER (3, 4));
+
+ DEBUG0 ("\nSetup with vec_insert\n");
+ a = combine_insert (1, 2);
+ b = combine_insert (3, 4);
+ vector_check (a, ELEMENT_ORDER (1, 2));
+ vector_check (b, ELEMENT_ORDER (3, 4));
+
+#ifndef NO_ARRAY
+ DEBUG0 ("\nTesting array syntax\n");
+ vector_check (array_0 (a, FIVE), ELEMENT_ORDER (5, 2));
+ vector_check (array_1 (b, SIX), ELEMENT_ORDER (3, 6));
+ vector_check (array_01 (z, FIVE, SIX), ELEMENT_ORDER (5, 6));
+ vector_check (array_01b (FIVE, SIX), ELEMENT_ORDER (5, 6));
+
+ vector_check (array_0 (a, five), ELEMENT_ORDER (5, 2));
+ vector_check (array_1 (b, six), ELEMENT_ORDER (3, 6));
+ vector_check (array_01 (z, five, six), ELEMENT_ORDER (5, 6));
+ vector_check (array_01b (five, six), ELEMENT_ORDER (5, 6));
+#else
+ DEBUG0 ("\nSkipping array syntax on -maltivec=be\n");
+#endif
+
+ DEBUG0 ("\nTesting concat and extract\n");
+ vector_check (concat_extract_00 (a, b), INIT_ORDER (1, 3));
+ vector_check (concat_extract_01 (a, b), INIT_ORDER (1, 4));
+ vector_check (concat_extract_10 (a, b), INIT_ORDER (2, 3));
+ vector_check (concat_extract_11 (a, b), INIT_ORDER (2, 4));
+
+ DEBUG0 ("\nTesting concat and extract #2\n");
+ vector_check (concat_extract2_0s (a, FIVE), INIT_ORDER (1, 5));
+ vector_check (concat_extract2_1s (a, FIVE), INIT_ORDER (2, 5));
+ vector_check (concat_extract2_s0 (SIX, a), INIT_ORDER (6, 1));
+ vector_check (concat_extract2_s1 (SIX, a), INIT_ORDER (6, 2));
+
+ DEBUG0 ("\nTesting variable concat and extract\n");
+ for (i = 0; i < 2; i++)
+ {
+ for (j = 0; j < 2; j++)
+ {
+ static struct {
+ TYPE hi;
+ TYPE lo;
+ } hilo[2][2] =
+ { { { ONE, THREE }, { ONE, FOUR } },
+ { { TWO, THREE }, { TWO, FOUR } } };
+
+ vector_check (concat_extract_nn (a, b, i, j),
+ INIT_ORDER (hilo[i][j].hi, hilo[i][j].lo));
+ }
+ }
+
+ DEBUG0 ("\nTesting separate function\n");
+ vector_check (combine (vec_extract (a, 0), vec_extract (b, 0)),
+ INIT_ORDER (1, 3));
+
+ vector_check (combine (vec_extract (a, 0), vec_extract (b, 1)),
+ INIT_ORDER (1, 4));
+
+ vector_check (combine (vec_extract (a, 1), vec_extract (b, 0)),
+ INIT_ORDER (2, 3));
+
+ vector_check (combine (vec_extract (a, 1), vec_extract (b, 1)),
+ INIT_ORDER (2, 4));
+
+ vector_check (combine_insert (vec_extract (a, 0), vec_extract (b, 0)),
+ ELEMENT_ORDER (1, 3));
+
+ vector_check (combine_insert (vec_extract (a, 0), vec_extract (b, 1)),
+ ELEMENT_ORDER (1, 4));
+
+ vector_check (combine_insert (vec_extract (a, 1), vec_extract (b, 0)),
+ ELEMENT_ORDER (2, 3));
+
+ vector_check (combine_insert (vec_extract (a, 1), vec_extract (b, 1)),
+ ELEMENT_ORDER (2, 4));
+
+
+#if defined(DO_DOUBLE)
+ DEBUG0 ("\nTesting explicit 2df concat\n");
+ vector_check (__builtin_vsx_concat_2df (FIVE, SIX), INIT_ORDER (5, 6));
+ vector_check (__builtin_vsx_concat_2df (five, six), INIT_ORDER (5, 6));
+
+#elif defined(_ARCH_PPC64)
+ DEBUG0 ("\nTesting explicit 2di concat\n");
+ vector_check (__builtin_vsx_concat_2di (FIVE, SIX), INIT_ORDER (5, 6));
+ vector_check (__builtin_vsx_concat_2di (five, six), INIT_ORDER (5, 6));
+
+#else
+ DEBUG0 ("\nSkip explicit 2di concat on 32-bit\n");
+#endif
+
+#ifdef DEBUG
+ if (errors)
+ printf ("\n%d error%s were found", errors, (errors == 1) ? "" : "s");
+ else
+ printf ("\nNo errors were found.\n");
+
+ return errors;
+
+#else
+ return 0;
+#endif
+}
projects / gcc.git / commitdiff