diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | soft-fp/op-4.h | 63 |
2 files changed, 40 insertions, 28 deletions
diff --git a/ChangeLog b/ChangeLog index 83a28dbb2f..3bbd5628c3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2018-11-01 Zong Li <zong@andestech.com> + + * soft-fp/op-4.h (_FP_FRAC_SUB_3, _FP_FRAC_SUB_4): Use temporary + variable to avoid overlap arguments. + 2018-11-01 Joseph Myers <joseph@codesourcery.com> * posix/bug-regex22.c (main): Use puts with distinct error diff --git a/soft-fp/op-4.h b/soft-fp/op-4.h index 01b87d01a1..b429801687 100644 --- a/soft-fp/op-4.h +++ b/soft-fp/op-4.h @@ -696,39 +696,46 @@ #endif #ifndef __FP_FRAC_SUB_3 -# define __FP_FRAC_SUB_3(r2, r1, r0, x2, x1, x0, y2, y1, y0) \ - do \ - { \ - _FP_W_TYPE __FP_FRAC_SUB_3_c1, __FP_FRAC_SUB_3_c2; \ - r0 = x0 - y0; \ - __FP_FRAC_SUB_3_c1 = r0 > x0; \ - r1 = x1 - y1; \ - __FP_FRAC_SUB_3_c2 = r1 > x1; \ - r1 -= __FP_FRAC_SUB_3_c1; \ - __FP_FRAC_SUB_3_c2 |= __FP_FRAC_SUB_3_c1 && (y1 == x1); \ - r2 = x2 - y2 - __FP_FRAC_SUB_3_c2; \ - } \ +# define __FP_FRAC_SUB_3(r2, r1, r0, x2, x1, x0, y2, y1, y0) \ + do \ + { \ + _FP_W_TYPE __FP_FRAC_SUB_3_tmp[2]; \ + _FP_W_TYPE __FP_FRAC_SUB_3_c1, __FP_FRAC_SUB_3_c2; \ + __FP_FRAC_SUB_3_tmp[0] = x0 - y0; \ + __FP_FRAC_SUB_3_c1 = __FP_FRAC_SUB_3_tmp[0] > x0; \ + __FP_FRAC_SUB_3_tmp[1] = x1 - y1; \ + __FP_FRAC_SUB_3_c2 = __FP_FRAC_SUB_3_tmp[1] > x1; \ + __FP_FRAC_SUB_3_tmp[1] -= __FP_FRAC_SUB_3_c1; \ + __FP_FRAC_SUB_3_c2 |= __FP_FRAC_SUB_3_c1 && (y1 == x1); \ + r2 = x2 - y2 - __FP_FRAC_SUB_3_c2; \ + r1 = __FP_FRAC_SUB_3_tmp[1]; \ + r0 = __FP_FRAC_SUB_3_tmp[0]; \ + } \ while (0) #endif #ifndef __FP_FRAC_SUB_4 # define __FP_FRAC_SUB_4(r3, r2, r1, r0, x3, x2, x1, x0, y3, y2, y1, y0) \ - do \ - { \ - _FP_W_TYPE __FP_FRAC_SUB_4_c1, __FP_FRAC_SUB_4_c2; \ - _FP_W_TYPE __FP_FRAC_SUB_4_c3; \ - r0 = x0 - y0; \ - __FP_FRAC_SUB_4_c1 = r0 > x0; \ - r1 = x1 - y1; \ - __FP_FRAC_SUB_4_c2 = r1 > x1; \ - r1 -= __FP_FRAC_SUB_4_c1; \ - __FP_FRAC_SUB_4_c2 |= __FP_FRAC_SUB_4_c1 && (y1 == x1); \ - r2 = x2 - y2; \ - __FP_FRAC_SUB_4_c3 = r2 > x2; \ - r2 -= __FP_FRAC_SUB_4_c2; \ - __FP_FRAC_SUB_4_c3 |= __FP_FRAC_SUB_4_c2 && (y2 == x2); \ - r3 = x3 - y3 - __FP_FRAC_SUB_4_c3; \ - } \ + do \ + { \ + _FP_W_TYPE __FP_FRAC_SUB_4_tmp[3]; \ + _FP_W_TYPE __FP_FRAC_SUB_4_c1, __FP_FRAC_SUB_4_c2; \ + _FP_W_TYPE __FP_FRAC_SUB_4_c3; \ + __FP_FRAC_SUB_4_tmp[0] = x0 - y0; \ + __FP_FRAC_SUB_4_c1 = __FP_FRAC_SUB_4_tmp[0] > x0; \ + __FP_FRAC_SUB_4_tmp[1] = x1 - y1; \ + __FP_FRAC_SUB_4_c2 = __FP_FRAC_SUB_4_tmp[1] > x1; \ + __FP_FRAC_SUB_4_tmp[1] -= __FP_FRAC_SUB_4_c1; \ + __FP_FRAC_SUB_4_c2 |= __FP_FRAC_SUB_4_c1 && (y1 == x1); \ + __FP_FRAC_SUB_4_tmp[2] = x2 - y2; \ + __FP_FRAC_SUB_4_c3 = __FP_FRAC_SUB_4_tmp[2] > x2; \ + __FP_FRAC_SUB_4_tmp[2] -= __FP_FRAC_SUB_4_c2; \ + __FP_FRAC_SUB_4_c3 |= __FP_FRAC_SUB_4_c2 && (y2 == x2); \ + r3 = x3 - y3 - __FP_FRAC_SUB_4_c3; \ + r2 = __FP_FRAC_SUB_4_tmp[2]; \ + r1 = __FP_FRAC_SUB_4_tmp[1]; \ + r0 = __FP_FRAC_SUB_4_tmp[0]; \ + } \ while (0) #endif |