From patchwork Tue Jul 17 05:07:56 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zong Li X-Patchwork-Id: 28437 Received: (qmail 93719 invoked by alias); 17 Jul 2018 05:09:33 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 93621 invoked by uid 89); 17 Jul 2018 05:09:32 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-24.0 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_MANYTO, RCVD_IN_DNSWL_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY autolearn=ham version=3.3.2 spammy= X-HELO: ATCSQR.andestech.com From: Zong Li To: , , , , , , CC: , , Zong Li Subject: [PATCH v2 10/12] soft-fp: Add the lack of implementation for 128 bit Date: Tue, 17 Jul 2018 13:07:56 +0800 Message-ID: In-Reply-To: References: MIME-Version: 1.0 X-DNSRBL: X-MAIL: ATCSQR.andestech.com w6H59oYg070164 Add the definition of macros for 8 bytes length. I only add the lack of implementation when building the RISC-V 32 bit port. --- soft-fp/op-8.h | 176 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 176 insertions(+) diff --git a/soft-fp/op-8.h b/soft-fp/op-8.h index ffed258..2ef6228 100644 --- a/soft-fp/op-8.h +++ b/soft-fp/op-8.h @@ -35,6 +35,7 @@ /* We need just a few things from here for op-4, if we ever need some other macros, they can be added. */ #define _FP_FRAC_DECL_8(X) _FP_W_TYPE X##_f[8] +#define _FP_FRAC_SET_8(X, I) __FP_FRAC_SET_8 (X, I) #define _FP_FRAC_HIGH_8(X) (X##_f[7]) #define _FP_FRAC_LOW_8(X) (X##_f[0]) #define _FP_FRAC_WORD_8(X, w) (X##_f[w]) @@ -147,4 +148,179 @@ } \ while (0) +#define _FP_FRAC_ADD_8(R, X, Y) \ + __FP_FRAC_ADD_8 (R##_f[7], R##_f[6], R##_f[5], R##_f[4], \ + R##_f[3], R##_f[2], R##_f[1], R##_f[0], \ + X##_f[7], X##_f[6], X##_f[5], X##_f[4], \ + X##_f[3], X##_f[2], X##_f[1], X##_f[0], \ + Y##_f[7], Y##_f[6], Y##_f[5], Y##_f[4], \ + Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0]) + +#define _FP_FRAC_SUB_8(R, X, Y) \ + __FP_FRAC_SUB_8 (R##_f[7], R##_f[6], R##_f[5], R##_f[4], \ + R##_f[3], R##_f[2], R##_f[1], R##_f[0], \ + X##_f[7], X##_f[6], X##_f[5], X##_f[4], \ + X##_f[3], X##_f[2], X##_f[1], X##_f[0], \ + Y##_f[7], Y##_f[6], Y##_f[5], Y##_f[4], \ + Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0]) + +#define _FP_MINFRAC_8 0, 0, 0, 0, 0, 0, 0, 1 + +#define _FP_FRAC_NEGP_8(X) ((_FP_WS_TYPE) X##_f[7] < 0) +#define _FP_FRAC_ZEROP_8(X) \ + ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3] | \ + X##_f[4] | X##_f[5] | X##_f[6] | X##_f[7]) == 0) +#define _FP_FRAC_HIGHBIT_DW_8(fs, X) \ + (_FP_FRAC_HIGH_DW_##fs (X) & _FP_HIGHBIT_DW_##fs) + +#define _FP_FRAC_CLZ_8(R, X) \ + do \ + { \ + if (X##_f[7]) \ + __FP_CLZ ((R), X##_f[7]); \ + else if (X##_f[6]) \ + { \ + __FP_CLZ ((R), X##_f[6]); \ + (R) += _FP_W_TYPE_SIZE; \ + } \ + else if (X##_f[5]) \ + { \ + __FP_CLZ ((R), X##_f[5]); \ + (R) += _FP_W_TYPE_SIZE*2; \ + } \ + else if (X##_f[4]) \ + { \ + __FP_CLZ ((R), X##_f[4]); \ + (R) += _FP_W_TYPE_SIZE*3; \ + } \ + else if (X##_f[3]) \ + { \ + __FP_CLZ ((R), X##_f[3]); \ + (R) += _FP_W_TYPE_SIZE*4; \ + } \ + else if (X##_f[2]) \ + { \ + __FP_CLZ ((R), X##_f[2]); \ + (R) += _FP_W_TYPE_SIZE*5; \ + } \ + else if (X##_f[1]) \ + { \ + __FP_CLZ ((R), X##_f[1]); \ + (R) += _FP_W_TYPE_SIZE*6; \ + } \ + else \ + { \ + __FP_CLZ ((R), X##_f[0]); \ + (R) += _FP_W_TYPE_SIZE*7; \ + } \ + } \ + while (0) + +#define _FP_FRAC_COPY_4_8(D, S) \ + do \ + { \ + D##_f[0] = S##_f[0]; \ + D##_f[1] = S##_f[1]; \ + D##_f[2] = S##_f[2]; \ + D##_f[3] = S##_f[3]; \ + } \ + while (0) + +#define _FP_FRAC_COPY_8_4(D, S) \ + do \ + { \ + D##_f[0] = S##_f[0]; \ + D##_f[1] = S##_f[1]; \ + D##_f[2] = S##_f[2]; \ + D##_f[3] = S##_f[3]; \ + D##_f[4] = D##_f[5] = D##_f[6] = D##_f[7]= 0; \ + } \ + while (0) + +#define __FP_FRAC_SET_8(X, I7, I6, I5, I4, I3, I2, I1, I0) \ + (X##_f[7] = I7, X##_f[6] = I6, X##_f[5] = I5, X##_f[4] = I4, \ + X##_f[3] = I3, X##_f[2] = I2, X##_f[1] = I1, X##_f[0] = I0) + +#ifndef __FP_FRAC_ADD_8 +# define __FP_FRAC_ADD_8(r7, r6, r5, r4, r3, r2, r1, r0, \ + x7, x6, x5, x4, x3, x2, x1, x0, \ + y7, y6, y5, y4, y3, y2, y1, y0) \ + do \ + { \ + _FP_W_TYPE __FP_FRAC_ADD_8_c1, __FP_FRAC_ADD_8_c2; \ + _FP_W_TYPE __FP_FRAC_ADD_8_c3, __FP_FRAC_ADD_8_c4; \ + _FP_W_TYPE __FP_FRAC_ADD_8_c5, __FP_FRAC_ADD_8_c6; \ + _FP_W_TYPE __FP_FRAC_ADD_8_c7; \ + r0 = x0 + y0; \ + __FP_FRAC_ADD_8_c1 = r0 < x0; \ + r1 = x1 + y1; \ + __FP_FRAC_ADD_8_c2 = r1 < x1; \ + r1 += __FP_FRAC_ADD_8_c1; \ + __FP_FRAC_ADD_8_c2 |= r1 < __FP_FRAC_ADD_8_c1; \ + r2 = x2 + y2; \ + __FP_FRAC_ADD_8_c3 = r2 < x2; \ + r2 += __FP_FRAC_ADD_8_c2; \ + __FP_FRAC_ADD_8_c3 |= r2 < __FP_FRAC_ADD_8_c2; \ + r3 = x3 + y3; \ + __FP_FRAC_ADD_8_c4 = r3 < x3; \ + r3 += __FP_FRAC_ADD_8_c3; \ + __FP_FRAC_ADD_8_c4 |= r1 < __FP_FRAC_ADD_8_c3; \ + r4 = x4 + y4; \ + __FP_FRAC_ADD_8_c5 = r4 < x4; \ + r4 += __FP_FRAC_ADD_8_c4; \ + __FP_FRAC_ADD_8_c5 |= r1 < __FP_FRAC_ADD_8_c4; \ + r5 = x5 + y5; \ + __FP_FRAC_ADD_8_c5 = r5 < x5; \ + r5 += __FP_FRAC_ADD_8_c5; \ + __FP_FRAC_ADD_8_c6 |= r1 < __FP_FRAC_ADD_8_c5; \ + r6 = x6 + y6; \ + __FP_FRAC_ADD_8_c7 = r6 < x6; \ + r6 += __FP_FRAC_ADD_8_c6; \ + __FP_FRAC_ADD_8_c7 |= r1 < __FP_FRAC_ADD_8_c6; \ + r7 = x7 + y7 + __FP_FRAC_ADD_8_c7; \ + } \ + while (0) +#endif + +#ifndef __FP_FRAC_SUB_8 +# define __FP_FRAC_SUB_8(r7, r6, r5, r4, r3, r2, r1, r0, \ + x7, x6, x5, x4, x3, x2, x1, x0, \ + y7, y6, y5, y4, y3, y2, y1, y0) \ + do \ + { \ + _FP_W_TYPE __FP_FRAC_SUB_8_c1, __FP_FRAC_SUB_8_c2; \ + _FP_W_TYPE __FP_FRAC_SUB_8_c3, __FP_FRAC_SUB_8_c4; \ + _FP_W_TYPE __FP_FRAC_SUB_8_c5, __FP_FRAC_SUB_8_c6; \ + _FP_W_TYPE __FP_FRAC_SUB_8_c7; \ + r0 = x0 - y0; \ + __FP_FRAC_SUB_8_c1 = r0 > x0; \ + r1 = x1 - y1; \ + __FP_FRAC_SUB_8_c2 = r1 > x1; \ + r1 -= __FP_FRAC_SUB_8_c1; \ + __FP_FRAC_SUB_8_c2 |= __FP_FRAC_SUB_8_c1 && (y1 == x1); \ + r2 = x2 - y2; \ + __FP_FRAC_SUB_8_c3 = r2 > x2; \ + r2 -= __FP_FRAC_SUB_8_c2; \ + __FP_FRAC_SUB_8_c3 |= __FP_FRAC_SUB_8_c2 && (y2 == x2); \ + r3 = x3 - y3; \ + __FP_FRAC_SUB_8_c4 = r3 > x3; \ + r2 -= __FP_FRAC_SUB_8_c3; \ + __FP_FRAC_SUB_8_c4 |= __FP_FRAC_SUB_8_c3 && (y3 == x3); \ + r4 = x4 - y4; \ + __FP_FRAC_SUB_8_c5 = r4 > x4; \ + r2 -= __FP_FRAC_SUB_8_c4; \ + __FP_FRAC_SUB_8_c5 |= __FP_FRAC_SUB_8_c4 && (y4 == x4); \ + r5 = x5 - y5; \ + __FP_FRAC_SUB_8_c6 = r5 > x5; \ + r2 -= __FP_FRAC_SUB_8_c5; \ + __FP_FRAC_SUB_8_c6 |= __FP_FRAC_SUB_8_c5 && (y5 == x5); \ + r6 = x6 - y6; \ + __FP_FRAC_SUB_8_c7 = r6 > x6; \ + r2 -= __FP_FRAC_SUB_8_c6; \ + __FP_FRAC_SUB_8_c7 |= __FP_FRAC_SUB_8_c6 && (y6 == x6); \ + r7 = x7 - y7 - __FP_FRAC_SUB_8_c7; \ + } \ + while (0) +#endif + #endif /* !SOFT_FP_OP_8_H */