Support reduc_{plus,smax,smin,umax,umin}_scal_v4qi.
gcc/ChangeLog PR target/102483 * config/i386/i386-expand.c (emit_reduc_half): Handle V4QImode. * config/i386/mmx.md (reduc_<code>_scal_v4qi): New expander. (reduc_plus_scal_v4qi): Ditto. gcc/testsuite/ChangeLog * gcc.target/i386/pr102483.c: New test. * gcc.target/i386/pr102483-2.c: New test.
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@ -16054,6 +16054,11 @@ emit_reduc_half (rtx dest, rtx src, int i)
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case E_V2DFmode:
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tem = gen_vec_interleave_highv2df (dest, src, src);
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break;
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case E_V4QImode:
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d = gen_reg_rtx (V1SImode);
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tem = gen_mmx_lshrv1si3 (d, gen_lowpart (V1SImode, src),
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GEN_INT (i / 2));
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break;
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case E_V4HImode:
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d = gen_reg_rtx (V1DImode);
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tem = gen_mmx_lshrv1di3 (d, gen_lowpart (V1DImode, src),
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@ -3989,6 +3989,18 @@
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DONE;
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})
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(define_expand "reduc_<code>_scal_v4qi"
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[(smaxmin:V4QI
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(match_operand:QI 0 "register_operand")
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(match_operand:V4QI 1 "register_operand"))]
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"TARGET_SSE4_1"
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{
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rtx tmp = gen_reg_rtx (V4QImode);
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ix86_expand_reduc (gen_<code>v4qi3, tmp, operands[1]);
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emit_insn (gen_vec_extractv4qiqi (operands[0], tmp, const0_rtx));
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DONE;
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})
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(define_expand "reduc_<code>_scal_v4hi"
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[(umaxmin:V4HI
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(match_operand:HI 0 "register_operand")
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@ -4001,6 +4013,39 @@
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DONE;
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})
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(define_expand "reduc_<code>_scal_v4qi"
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[(umaxmin:V4QI
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(match_operand:QI 0 "register_operand")
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(match_operand:V4QI 1 "register_operand"))]
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"TARGET_SSE4_1"
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{
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rtx tmp = gen_reg_rtx (V4QImode);
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ix86_expand_reduc (gen_<code>v4qi3, tmp, operands[1]);
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emit_insn (gen_vec_extractv4qiqi (operands[0], tmp, const0_rtx));
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DONE;
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})
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(define_expand "reduc_plus_scal_v4qi"
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[(plus:V4QI
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(match_operand:QI 0 "register_operand")
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(match_operand:V4QI 1 "register_operand"))]
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"TARGET_SSE2"
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{
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rtx op1 = gen_reg_rtx (V16QImode);
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emit_insn (gen_vec_setv4si_0 (lowpart_subreg (V4SImode, op1, V16QImode),
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CONST0_RTX (V4SImode),
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lowpart_subreg (SImode,
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operands[1],
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V4QImode)));
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rtx tmp = gen_reg_rtx (V16QImode);
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emit_move_insn (tmp, CONST0_RTX (V16QImode));
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rtx tmp2 = gen_reg_rtx (V2DImode);
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emit_insn (gen_sse2_psadbw (tmp2, op1, tmp));
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tmp2 = gen_lowpart (V16QImode, tmp2);
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emit_insn (gen_vec_extractv16qiqi (operands[0], tmp2, const0_rtx));
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DONE;
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})
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(define_expand "usadv8qi"
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[(match_operand:V2SI 0 "register_operand")
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(match_operand:V8QI 1 "register_operand")
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26
gcc/testsuite/gcc.target/i386/pr102483-2.c
Normal file
26
gcc/testsuite/gcc.target/i386/pr102483-2.c
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@ -0,0 +1,26 @@
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/* { dg-do run } */
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/* { dg-require-effective-target sse4 } */
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/* { dg-options "-O2 -msse4.1" } */
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#include "sse4_1-check.h"
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#include "pr102483.c"
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static void
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sse4_1_test ()
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{
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char p[4] = { -103, 23, 41, -56 };
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unsigned char up[4] = { 100, 30, 255, 9 };
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char res = reduce_add (p);
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if (res != -95)
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abort ();
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if (reduce_smin (p) != -103)
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abort ();
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if (reduce_smax (p) != 41)
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abort ();
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if (reduce_umin (up) != 9)
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abort ();
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if (reduce_umax (up) != 255)
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abort();
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}
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58
gcc/testsuite/gcc.target/i386/pr102483.c
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58
gcc/testsuite/gcc.target/i386/pr102483.c
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@ -0,0 +1,58 @@
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/* { dg-do compile } */
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/* { dg-options "-O2 -msse4.1 -ftree-vectorize -fdump-tree-optimized" } */
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/* { dg-final { scan-tree-dump-times "\.REDUC_MIN" 2 "optimized" } } */
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/* { dg-final { scan-tree-dump-times "\.REDUC_MAX" 2 "optimized" } } */
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/* { dg-final { scan-tree-dump-times "\.REDUC_PLUS" 1 "optimized" } } */
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char
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__attribute__((noipa, optimize("Ofast"),target("sse4.1")))
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reduce_add (char* p)
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{
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char sum = 0;
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for (int i = 0; i != 4; i++)
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sum += p[i];
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return sum;
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}
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#define MAX(a, b) ((a) > (b) ? (a) : (b))
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#define MIN(a, b) ((a) > (b) ? (b) : (a))
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unsigned char
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__attribute__((noipa, optimize("Ofast"),target("sse4.1")))
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reduce_umax (unsigned char* p)
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{
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unsigned char sum = p[0];
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for (int i = 0; i != 4; i++)
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sum = MAX(sum, p[i]);
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return sum;
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}
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unsigned char
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__attribute__((noipa, optimize("Ofast"),target("sse4.1")))
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reduce_umin (unsigned char* p)
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{
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unsigned char sum = p[0];
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for (int i = 0; i != 4; i++)
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sum = MIN(sum, p[i]);
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return sum;
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}
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char
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__attribute__((noipa, optimize("Ofast"),target("sse4.1")))
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reduce_smax (char* p)
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{
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char sum = p[0];
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for (int i = 0; i != 4; i++)
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sum = MAX(sum, p[i]);
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return sum;
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}
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char
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__attribute__((noipa, optimize("Ofast"),target("sse4.1")))
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reduce_smin (char* p)
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{
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char sum = p[0];
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for (int i = 0; i != 4; i++)
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sum = MIN(sum, p[i]);
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return sum;
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}
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