diff options
Diffstat (limited to 'gas/config')
| -rw-r--r-- | gas/config/tc-mips.c | 112 |
1 files changed, 96 insertions, 16 deletions
diff --git a/gas/config/tc-mips.c b/gas/config/tc-mips.c index 2d574e8..84bec7f 100644 --- a/gas/config/tc-mips.c +++ b/gas/config/tc-mips.c @@ -6686,6 +6686,17 @@ macro2 (ip) --mips_opts.noreorder; break; + case M_DROL: + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsubu", + "d,v,t", AT, 0, treg); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsrlv", + "d,t,s", AT, sreg, AT); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsllv", + "d,t,s", dreg, sreg, treg); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", + "d,v,t", dreg, dreg, AT); + break; + case M_ROL: macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "subu", "d,v,t", AT, 0, treg); @@ -6697,15 +6708,55 @@ macro2 (ip) "d,v,t", dreg, dreg, AT); break; + case M_DROL_I: + { + unsigned int rot; + char *l, *r; + + if (imm_expr.X_op != O_constant) + as_bad (_("rotate count too large")); + rot = imm_expr.X_add_number & 0x3f; + if (! rot) + break; + l = (rot < 0x20) ? "dsll" : "dsll32"; + r = ((0x40 - rot) < 0x20) ? "dsrl" : "dsrl32"; + rot &= 0x1f; + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, l, + "d,w,<", AT, sreg, rot); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, r, + "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", + "d,v,t", dreg, dreg, AT); + } + break; + case M_ROL_I: - if (imm_expr.X_op != O_constant) - as_bad (_("rotate count too large")); - macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", "d,w,<", - AT, sreg, (int) (imm_expr.X_add_number & 0x1f)); - macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", "d,w,<", - dreg, sreg, (int) ((0 - imm_expr.X_add_number) & 0x1f)); - macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", "d,v,t", - dreg, dreg, AT); + { + unsigned int rot; + + if (imm_expr.X_op != O_constant) + as_bad (_("rotate count too large")); + rot = imm_expr.X_add_number & 0x1f; + if (! rot) + break; + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", + "d,w,<", AT, sreg, rot); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", + "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", + "d,v,t", dreg, dreg, AT); + } + break; + + case M_DROR: + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsubu", + "d,v,t", AT, 0, treg); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsllv", + "d,t,s", AT, sreg, AT); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "dsrlv", + "d,t,s", dreg, sreg, treg); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", + "d,v,t", dreg, dreg, AT); break; case M_ROR: @@ -6719,15 +6770,44 @@ macro2 (ip) "d,v,t", dreg, dreg, AT); break; + case M_DROR_I: + { + unsigned int rot; + char *l, *r; + + if (imm_expr.X_op != O_constant) + as_bad (_("rotate count too large")); + rot = imm_expr.X_add_number & 0x3f; + if (! rot) + break; + r = (rot < 0x20) ? "dsrl" : "dsrl32"; + l = ((0x40 - rot) < 0x20) ? "dsll" : "dsll32"; + rot &= 0x1f; + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, r, + "d,w,<", AT, sreg, rot); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, l, + "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", + "d,v,t", dreg, dreg, AT); + } + break; + case M_ROR_I: - if (imm_expr.X_op != O_constant) - as_bad (_("rotate count too large")); - macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", "d,w,<", - AT, sreg, (int) (imm_expr.X_add_number & 0x1f)); - macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", "d,w,<", - dreg, sreg, (int) ((0 - imm_expr.X_add_number) & 0x1f)); - macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", "d,v,t", - dreg, dreg, AT); + { + unsigned int rot; + + if (imm_expr.X_op != O_constant) + as_bad (_("rotate count too large")); + rot = imm_expr.X_add_number & 0x1f; + if (! rot) + break; + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "srl", + "d,w,<", AT, sreg, rot); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "sll", + "d,w,<", dreg, sreg, (0x20 - rot) & 0x1f); + macro_build ((char *) NULL, &icnt, (expressionS *) NULL, "or", + "d,v,t", dreg, dreg, AT); + } break; case M_S_DOB: |