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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=tsimpson@qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @quicinc.com) X-ZM-MESSAGEID: 1682530400286100006 **** Changes in v2 **** Fix bug in imm_print identified in clang build Currently, idef-parser skips all floating point instructions. However, there are some floating point instructions that can be handled. The following instructions are now parsed F2_sfimm_p F2_sfimm_n F2_dfimm_p F2_dfimm_n F2_dfmpyll F2_dfmpylh To make these instructions work, we fix some bugs in parser-helpers.c gen_rvalue_extend gen_cast_op imm_print Test cases added to tests/tcg/hexagon/fpstuff.c Signed-off-by: Taylor Simpson --- target/hexagon/idef-parser/parser-helpers.h | 2 +- target/hexagon/idef-parser/parser-helpers.c | 37 ++++++++++---- tests/tcg/hexagon/fpstuff.c | 54 +++++++++++++++++++++ target/hexagon/gen_idef_parser_funcs.py | 10 +++- 4 files changed, 91 insertions(+), 12 deletions(-) diff --git a/target/hexagon/idef-parser/parser-helpers.h b/target/hexagon/i= def-parser/parser-helpers.h index 1239d23a6a..7c58087169 100644 --- a/target/hexagon/idef-parser/parser-helpers.h +++ b/target/hexagon/idef-parser/parser-helpers.h @@ -80,7 +80,7 @@ void reg_compose(Context *c, YYLTYPE *locp, HexReg *reg, = char reg_id[5]); =20 void reg_print(Context *c, YYLTYPE *locp, HexReg *reg); =20 -void imm_print(Context *c, YYLTYPE *locp, HexImm *imm); +void imm_print(Context *c, YYLTYPE *locp, HexValue *rvalue); =20 void var_print(Context *c, YYLTYPE *locp, HexVar *var); =20 diff --git a/target/hexagon/idef-parser/parser-helpers.c b/target/hexagon/i= def-parser/parser-helpers.c index 86511efb62..deaedbb293 100644 --- a/target/hexagon/idef-parser/parser-helpers.c +++ b/target/hexagon/idef-parser/parser-helpers.c @@ -167,8 +167,9 @@ void reg_print(Context *c, YYLTYPE *locp, HexReg *reg) EMIT(c, "hex_gpr[%u]", reg->id); } =20 -void imm_print(Context *c, YYLTYPE *locp, HexImm *imm) +void imm_print(Context *c, YYLTYPE *locp, HexValue *rvalue) { + HexImm *imm =3D &rvalue->imm; switch (imm->type) { case I: EMIT(c, "i"); @@ -177,7 +178,21 @@ void imm_print(Context *c, YYLTYPE *locp, HexImm *imm) EMIT(c, "%ciV", imm->id); break; case VALUE: - EMIT(c, "((int64_t) %" PRIu64 "ULL)", (int64_t) imm->value); + if (rvalue->bit_width =3D=3D 32) { + if (rvalue->signedness =3D=3D UNSIGNED) { + EMIT(c, "((uint32_t) %" PRIu32 ")", (uint32_t) imm->value); + } else { + EMIT(c, "((int32_t) %" PRId32 ")", (int32_t) imm->value); + } + } else if (rvalue->bit_width =3D=3D 64) { + if (rvalue->signedness =3D=3D UNSIGNED) { + EMIT(c, "((uint64_t) %" PRIu64 "ULL)", (uint64_t) imm->val= ue); + } else { + EMIT(c, "((int64_t) %" PRId64 "LL)", (int64_t) imm->value); + } + } else { + g_assert_not_reached(); + } break; case QEMU_TMP: EMIT(c, "qemu_tmp_%" PRIu64, imm->index); @@ -213,7 +228,7 @@ void rvalue_print(Context *c, YYLTYPE *locp, void *poin= ter) tmp_print(c, locp, &rvalue->tmp); break; case IMMEDIATE: - imm_print(c, locp, &rvalue->imm); + imm_print(c, locp, rvalue); break; case VARID: var_print(c, locp, &rvalue->var); @@ -386,13 +401,10 @@ HexValue gen_rvalue_extend(Context *c, YYLTYPE *locp,= HexValue *rvalue) =20 if (rvalue->type =3D=3D IMMEDIATE) { HexValue res =3D gen_imm_qemu_tmp(c, locp, 64, rvalue->signedness); - bool is_unsigned =3D (rvalue->signedness =3D=3D UNSIGNED); - const char *sign_suffix =3D is_unsigned ? "u" : ""; gen_c_int_type(c, locp, 64, rvalue->signedness); - OUT(c, locp, " ", &res, " =3D "); - OUT(c, locp, "(", sign_suffix, "int64_t) "); - OUT(c, locp, "(", sign_suffix, "int32_t) "); - OUT(c, locp, rvalue, ";\n"); + OUT(c, locp, " ", &res, " =3D ("); + gen_c_int_type(c, locp, 64, rvalue->signedness); + OUT(c, locp, ")", rvalue, ";\n"); return res; } else { HexValue res =3D gen_tmp(c, locp, 64, rvalue->signedness); @@ -963,7 +975,12 @@ HexValue gen_cast_op(Context *c, if (src->bit_width =3D=3D target_width) { return *src; } else if (src->type =3D=3D IMMEDIATE) { - HexValue res =3D *src; + HexValue res; + if (src->bit_width < target_width) { + res =3D gen_rvalue_extend(c, locp, src); + } else { + res =3D *src; + } res.bit_width =3D target_width; res.signedness =3D signedness; return res; diff --git a/tests/tcg/hexagon/fpstuff.c b/tests/tcg/hexagon/fpstuff.c index 90ce9a6ef3..28f9397155 100644 --- a/tests/tcg/hexagon/fpstuff.c +++ b/tests/tcg/hexagon/fpstuff.c @@ -20,6 +20,7 @@ */ =20 #include +#include =20 const int FPINVF_BIT =3D 1; /* Invalid */ const int FPINVF =3D 1 << FPINVF_BIT; @@ -706,6 +707,57 @@ static void check_float2int_convs() check_fpstatus(usr, FPINVF); } =20 +static void check_float_consts(void) +{ + int res32; + unsigned long long res64; + + asm("%0 =3D sfmake(#%1):neg\n\t" : "=3Dr"(res32) : "i"(0xf)); + check32(res32, 0xbc9e0000); + + asm("%0 =3D sfmake(#%1):pos\n\t" : "=3Dr"(res32) : "i"(0xf)); + check32(res32, 0x3c9e0000); + + asm("%0 =3D dfmake(#%1):neg\n\t" : "=3Dr"(res64) : "i"(0xf)); + check64(res64, 0xbf93c00000000000ULL); + + asm("%0 =3D dfmake(#%1):pos\n\t" : "=3Dr"(res64) : "i"(0xf)); + check64(res64, 0x3f93c00000000000ULL); +} + +static inline unsigned long long dfmpyll(double x, double y) +{ + unsigned long long res64; + asm("%0 =3D dfmpyll(%1, %2)" : "=3Dr"(res64) : "r"(x), "r"(y)); + return res64; +} + +static inline unsigned long long dfmpylh(double acc, double x, double y) +{ + unsigned long long res64 =3D *(unsigned long long *)&acc; + asm("%0 +=3D dfmpylh(%1, %2)" : "+r"(res64) : "r"(x), "r"(y)); + return res64; +} + +static void check_dfmpyxx(void) +{ + unsigned long long res64; + + res64 =3D dfmpyll(DBL_MIN, DBL_MIN); + check64(res64, 0ULL); + res64 =3D dfmpyll(-1.0, DBL_MIN); + check64(res64, 0ULL); + res64 =3D dfmpyll(DBL_MAX, DBL_MAX); + check64(res64, 0x1fffffffdULL); + + res64 =3D dfmpylh(DBL_MIN, DBL_MIN, DBL_MIN); + check64(res64, 0x10000000000000ULL); + res64 =3D dfmpylh(-1.0, DBL_MAX, DBL_MIN); + check64(res64, 0xc00fffffffe00000ULL); + res64 =3D dfmpylh(DBL_MAX, 0.0, -1.0); + check64(res64, 0x7fefffffffffffffULL); +} + int main() { check_compare_exception(); @@ -718,6 +770,8 @@ int main() check_sffixupd(); check_sffms(); check_float2int_convs(); + check_float_consts(); + check_dfmpyxx(); =20 puts(err ? "FAIL" : "PASS"); return err ? 1 : 0; diff --git a/target/hexagon/gen_idef_parser_funcs.py b/target/hexagon/gen_i= def_parser_funcs.py index afe68bdb6f..b766798ad5 100644 --- a/target/hexagon/gen_idef_parser_funcs.py +++ b/target/hexagon/gen_idef_parser_funcs.py @@ -103,7 +103,15 @@ def main(): continue if tag.startswith("V6_"): continue - if tag.startswith("F"): + if ( tag.startswith("F") and + tag not in { + "F2_sfimm_p", + "F2_sfimm_n", + "F2_dfimm_p", + "F2_dfimm_n", + "F2_dfmpyll", + "F2_dfmpylh" + }): continue if tag.endswith("_locked"): continue --=20 2.25.1