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i965: Don't consider control flow instructions to have sources.

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And why did IFF have a destination?

I suspect that once upon a time the disassembler used this information
to know which fields to find the jump targets in. The jump targets have
moved, so the disassembler has to know how to handle these
per-generation anyway.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Matt Turner
2015-10-15 11:38:43 -07:00
parent 0865e743c1
commit 9ab45b4df9
1 changed files with 8 additions and 8 deletions
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src/mesa/drivers/dri/i965/brw_disasm.c
+8 -8
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@@ -90,20 +90,20 @@ const struct opcode_desc opcode_descs[128] = {
[BRW_OPCODE_NOP] = { .name = "nop", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_NENOP] = { .name = "nenop", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_JMPI] = { .name = "jmpi", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_IF] = { .name = "if", .nsrc = 2, .ndst = 0 },
[BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 2, .ndst = 1 },
[BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 2, .ndst = 0 },
[BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 2, .ndst = 0 },
[BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 2, .ndst = 0 },
[BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 1, .ndst = 0 },
[BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 1, .ndst = 0 },
[BRW_OPCODE_IF] = { .name = "if", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_IFF] = { .name = "iff", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_WHILE] = { .name = "while", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_ELSE] = { .name = "else", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_BREAK] = { .name = "break", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_CONTINUE] = { .name = "cont", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_HALT] = { .name = "halt", .nsrc = 0, .ndst = 0 },
// [BRW_OPCODE_MSAVE] = { .name = "msave", .nsrc = 1, .ndst = 1 },
// [BRW_OPCODE_PUSH] = { .name = "push", .nsrc = 1, .ndst = 1 },
// [BRW_OPCODE_MREST] = { .name = "mrest", .nsrc = 1, .ndst = 1 },
// [BRW_OPCODE_POP] = { .name = "pop", .nsrc = 2, .ndst = 0 },
[BRW_OPCODE_WAIT] = { .name = "wait", .nsrc = 1, .ndst = 0 },
[BRW_OPCODE_DO] = { .name = "do", .nsrc = 0, .ndst = 0 },
[BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 2, .ndst = 0 },
[BRW_OPCODE_ENDIF] = { .name = "endif", .nsrc = 0, .ndst = 0 },
};
static bool