RISC-V: Add testcases for unsigned scalar .SAT_ADD IMM form 4

This patch would like to add test cases for the unsigned scalar
.SAT_ADD IMM form 4.  Aka:

Form 4:
  #define DEF_SAT_U_ADD_IMM_FMT_4(T)                            \
  T __attribute__((noinline))                                   \
  sat_u_add_imm_##T##_fmt_4 (T x)                               \
  {                                                             \
    T ret;                                                      \
    return __builtin_add_overflow (x, 9, &ret) == 0 ? ret : -1; \
  }

DEF_SAT_U_ADD_IMM_FMT_4(uint64_t)

The below test is passed for this patch.
* The rv64gcv regression test.

gcc/testsuite/ChangeLog:

	* gcc.target/riscv/sat_arith.h: Add helper test macro.
	* gcc.target/riscv/sat_u_add_imm-13.c: New test.
	* gcc.target/riscv/sat_u_add_imm-14.c: New test.
	* gcc.target/riscv/sat_u_add_imm-15.c: New test.
	* gcc.target/riscv/sat_u_add_imm-16.c: New test.
	* gcc.target/riscv/sat_u_add_imm-run-13.c: New test.
	* gcc.target/riscv/sat_u_add_imm-run-14.c: New test.
	* gcc.target/riscv/sat_u_add_imm-run-15.c: New test.
	* gcc.target/riscv/sat_u_add_imm-run-16.c: New test.

Signed-off-by: Pan Li <pan2.li@intel.com>
This commit is contained in:
Pan Li 2024-06-30 16:48:19 +08:00
parent 6d98e88f61
commit 7a65ab6b5f
9 changed files with 270 additions and 0 deletions

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@ -82,6 +82,14 @@ sat_u_add_imm##IMM##_##T##_fmt_3 (T x) \
return __builtin_add_overflow (x, IMM, &ret) ? -1 : ret; \
}
#define DEF_SAT_U_ADD_IMM_FMT_4(T, IMM) \
T __attribute__((noinline)) \
sat_u_add_imm##IMM##_##T##_fmt_4 (T x) \
{ \
T ret; \
return __builtin_add_overflow (x, IMM, &ret) == 0 ? ret : -1; \
}
#define RUN_SAT_U_ADD_IMM_FMT_1(T, x, IMM, expect) \
if (sat_u_add_imm##IMM##_##T##_fmt_1(x) != expect) __builtin_abort ()
@ -91,6 +99,9 @@ sat_u_add_imm##IMM##_##T##_fmt_3 (T x) \
#define RUN_SAT_U_ADD_IMM_FMT_3(T, x, IMM, expect) \
if (sat_u_add_imm##IMM##_##T##_fmt_3(x) != expect) __builtin_abort ()
#define RUN_SAT_U_ADD_IMM_FMT_4(T, x, IMM, expect) \
if (sat_u_add_imm##IMM##_##T##_fmt_4(x) != expect) __builtin_abort ()
/******************************************************************************/
/* Saturation Sub (Unsigned and Signed) */
/******************************************************************************/

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@ -0,0 +1,19 @@
/* { dg-do compile } */
/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "sat_arith.h"
/*
** sat_u_add_imm9_uint8_t_fmt_4:
** addi\s+[atx][0-9]+,\s*a0,\s*9
** andi\s+[atx][0-9]+,\s*[atx][0-9]+,\s*0xff
** sltu\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** neg\s+[atx][0-9]+,\s*[atx][0-9]+
** or\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** andi\s+a0,\s*a0,\s*0xff
** ret
*/
DEF_SAT_U_ADD_IMM_FMT_4(uint8_t, 9)
/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */

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@ -0,0 +1,21 @@
/* { dg-do compile } */
/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "sat_arith.h"
/*
** sat_u_add_imm3_uint16_t_fmt_4:
** addi\s+[atx][0-9]+,\s*a0,\s*3
** slli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*48
** srli\s+[atx][0-9]+,\s*[atx][0-9]+,\s*48
** sltu\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** neg\s+[atx][0-9]+,\s*[atx][0-9]+
** or\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** slli\s+a0,\s*a0,\s*48
** srli\s+a0,\s*a0,\s*48
** ret
*/
DEF_SAT_U_ADD_IMM_FMT_4(uint16_t, 3)
/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */

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@ -0,0 +1,18 @@
/* { dg-do compile } */
/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "sat_arith.h"
/*
** sat_u_add_imm7_uint32_t_fmt_4:
** addiw\s+[atx][0-9]+,\s*a0,\s*7
** sltu\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** neg\s+[atx][0-9]+,\s*[atx][0-9]+
** or\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** sext.w\s+a0,\s*a0
** ret
*/
DEF_SAT_U_ADD_IMM_FMT_4(uint32_t, 7)
/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */

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@ -0,0 +1,17 @@
/* { dg-do compile } */
/* { dg-options "-march=rv64gc -mabi=lp64d -O3 -fdump-rtl-expand-details -fno-schedule-insns -fno-schedule-insns2" } */
/* { dg-final { check-function-bodies "**" "" } } */
#include "sat_arith.h"
/*
** sat_u_add_imm8_uint64_t_fmt_4:
** addi\s+[atx][0-9]+,\s*a0,\s*8
** sltu\s+[atx][0-9]+,\s*[atx][0-9]+,\s*[atx][0-9]+
** neg\s+[atx][0-9]+,\s*[atx][0-9]+
** or\s+a0,\s*[atx][0-9]+,\s*[atx][0-9]+
** ret
*/
DEF_SAT_U_ADD_IMM_FMT_4(uint64_t, 8)
/* { dg-final { scan-rtl-dump-times ".SAT_ADD " 2 "expand" } } */

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@ -0,0 +1,46 @@
/* { dg-do run { target { riscv_v } } } */
/* { dg-additional-options "-std=c99" } */
#include "sat_arith.h"
DEF_SAT_U_ADD_IMM_FMT_4(uint8_t, 0)
DEF_SAT_U_ADD_IMM_FMT_4(uint8_t, 1)
DEF_SAT_U_ADD_IMM_FMT_4(uint8_t, 254)
DEF_SAT_U_ADD_IMM_FMT_4(uint8_t, 255)
#define T uint8_t
#define RUN(T, op, imm, expect) RUN_SAT_U_ADD_IMM_FMT_4(T, op, imm, expect)
T d[][3] = {
/* arg_0, arg_1, expect */
{ 0, 0, 0, },
{ 0, 1, 1, },
{ 1, 1, 2, },
{ 0, 254, 254, },
{ 1, 254, 255, },
{ 2, 254, 255, },
{ 0, 255, 255, },
{ 1, 255, 255, },
{ 2, 255, 255, },
{ 255, 255, 255, },
};
int
main ()
{
RUN (T, d[0][0], 0, d[0][2]);
RUN (T, d[1][0], 1, d[1][2]);
RUN (T, d[2][0], 1, d[2][2]);
RUN (T, d[3][0], 254, d[3][2]);
RUN (T, d[4][0], 254, d[4][2]);
RUN (T, d[5][0], 254, d[5][2]);
RUN (T, d[6][0], 255, d[6][2]);
RUN (T, d[7][0], 255, d[7][2]);
RUN (T, d[8][0], 255, d[8][2]);
RUN (T, d[9][0], 255, d[9][2]);
return 0;
}

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@ -0,0 +1,46 @@
/* { dg-do run { target { riscv_v } } } */
/* { dg-additional-options "-std=c99" } */
#include "sat_arith.h"
DEF_SAT_U_ADD_IMM_FMT_4(uint16_t, 0)
DEF_SAT_U_ADD_IMM_FMT_4(uint16_t, 1)
DEF_SAT_U_ADD_IMM_FMT_4(uint16_t, 65534)
DEF_SAT_U_ADD_IMM_FMT_4(uint16_t, 65535)
#define T uint16_t
#define RUN(T, op, imm, expect) RUN_SAT_U_ADD_IMM_FMT_4(T, op, imm, expect)
T d[][3] = {
/* arg_0, arg_1, expect */
{ 0, 0, 0, },
{ 0, 1, 1, },
{ 1, 1, 2, },
{ 0, 65534, 65534, },
{ 1, 65534, 65535, },
{ 2, 65534, 65535, },
{ 0, 65535, 65535, },
{ 1, 65535, 65535, },
{ 2, 65535, 65535, },
{ 65535, 65535, 65535, },
};
int
main ()
{
RUN (T, d[0][0], 0, d[0][2]);
RUN (T, d[1][0], 1, d[1][2]);
RUN (T, d[2][0], 1, d[2][2]);
RUN (T, d[3][0], 65534, d[3][2]);
RUN (T, d[4][0], 65534, d[4][2]);
RUN (T, d[5][0], 65534, d[5][2]);
RUN (T, d[6][0], 65535, d[6][2]);
RUN (T, d[7][0], 65535, d[7][2]);
RUN (T, d[8][0], 65535, d[8][2]);
RUN (T, d[9][0], 65535, d[9][2]);
return 0;
}

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@ -0,0 +1,46 @@
/* { dg-do run { target { riscv_v } } } */
/* { dg-additional-options "-std=c99" } */
#include "sat_arith.h"
DEF_SAT_U_ADD_IMM_FMT_4(uint32_t, 0)
DEF_SAT_U_ADD_IMM_FMT_4(uint32_t, 1)
DEF_SAT_U_ADD_IMM_FMT_4(uint32_t, 4294967294)
DEF_SAT_U_ADD_IMM_FMT_4(uint32_t, 4294967295)
#define T uint32_t
#define RUN(T, op, imm, expect) RUN_SAT_U_ADD_IMM_FMT_4(T, op, imm, expect)
T d[][3] = {
/* arg_0, arg_1, expect */
{ 0, 0, 0, },
{ 0, 1, 1, },
{ 1, 1, 2, },
{ 0, 4294967294, 4294967294, },
{ 1, 4294967294, 4294967295, },
{ 2, 4294967294, 4294967295, },
{ 0, 4294967295, 4294967295, },
{ 1, 4294967295, 4294967295, },
{ 2, 4294967295, 4294967295, },
{ 4294967295, 4294967295, 4294967295, },
};
int
main ()
{
RUN (T, d[0][0], 0, d[0][2]);
RUN (T, d[1][0], 1, d[1][2]);
RUN (T, d[2][0], 1, d[2][2]);
RUN (T, d[3][0], 4294967294, d[3][2]);
RUN (T, d[4][0], 4294967294, d[4][2]);
RUN (T, d[5][0], 4294967294, d[5][2]);
RUN (T, d[6][0], 4294967295, d[6][2]);
RUN (T, d[7][0], 4294967295, d[7][2]);
RUN (T, d[8][0], 4294967295, d[8][2]);
RUN (T, d[9][0], 4294967295, d[9][2]);
return 0;
}

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@ -0,0 +1,46 @@
/* { dg-do run { target { riscv_v } } } */
/* { dg-additional-options "-std=c99" } */
#include "sat_arith.h"
DEF_SAT_U_ADD_IMM_FMT_4(uint64_t, 0)
DEF_SAT_U_ADD_IMM_FMT_4(uint64_t, 1)
DEF_SAT_U_ADD_IMM_FMT_4(uint64_t, 18446744073709551614u)
DEF_SAT_U_ADD_IMM_FMT_4(uint64_t, 18446744073709551615u)
#define T uint64_t
#define RUN(T, op, imm, expect) RUN_SAT_U_ADD_IMM_FMT_4(T, op, imm, expect)
T d[][3] = {
/* arg_0, arg_1, expect */
{ 0, 0, 0, },
{ 0, 1, 1, },
{ 1, 1, 2, },
{ 0, 18446744073709551614u, 18446744073709551614u, },
{ 1, 18446744073709551614u, 18446744073709551615u, },
{ 2, 18446744073709551614u, 18446744073709551615u, },
{ 0, 18446744073709551615u, 18446744073709551615u, },
{ 1, 18446744073709551615u, 18446744073709551615u, },
{ 2, 18446744073709551615u, 18446744073709551615u, },
{ 18446744073709551615u, 18446744073709551615u, 18446744073709551615u, },
};
int
main ()
{
RUN (T, d[0][0], 0, d[0][2]);
RUN (T, d[1][0], 1, d[1][2]);
RUN (T, d[2][0], 1, d[2][2]);
RUN (T, d[3][0], 18446744073709551614u, d[3][2]);
RUN (T, d[4][0], 18446744073709551614u, d[4][2]);
RUN (T, d[5][0], 18446744073709551614u, d[5][2]);
RUN (T, d[6][0], 18446744073709551615u, d[6][2]);
RUN (T, d[7][0], 18446744073709551615u, d[7][2]);
RUN (T, d[8][0], 18446744073709551615u, d[8][2]);
RUN (T, d[9][0], 18446744073709551615u, d[9][2]);
return 0;
}