[PATCH 1/3] PPC: permit %dm0 as insn operand
Jan Beulich
jbeulich@suse.com
Mon Jan 12 12:25:18 GMT 2026
When the DM registers were added, sorting of the table was broken. With
the present arrangement, this leads to (only) %dm0 not being found by the
binary search that both use sites of the table entertain.
---
Should there perhaps be verification of the table being sorted, in debug
builds?
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -338,7 +338,6 @@ static const struct pd_reg pre_defined_r
{ "ctr", 9, PPC_OPERAND_SPR },
{ "dar", 19, PPC_OPERAND_SPR },
{ "dec", 22, PPC_OPERAND_SPR },
- { "dsisr", 18, PPC_OPERAND_SPR },
/* Dense Math Registers. */
{ "dm0", 0, PPC_OPERAND_DMR },
@@ -350,6 +349,8 @@ static const struct pd_reg pre_defined_r
{ "dm6", 6, PPC_OPERAND_DMR },
{ "dm7", 7, PPC_OPERAND_DMR },
+ { "dsisr", 18, PPC_OPERAND_SPR },
+
/* Floating point registers */
{ "f.0", 0, PPC_OPERAND_FPR },
{ "f.1", 1, PPC_OPERAND_FPR },
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