From: Iago Toral Quiroga <ito...@igalia.com>
This can happen if the register already has a non-zero subreg_offset
when byte_offset() is called.
---
src/mesa/drivers/dri/i965/brw_ir_fs.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_ir_fs.h
b/src/mesa/drivers/dri/i965/brw_ir_fs.h
index 2f72326..8faca08 100644
--- a/src/mesa/drivers/dri/i965/brw_ir_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_ir_fs.h
@@ -109,6 +109,10 @@ byte_offset(fs_reg reg, unsigned delta)
assert(delta == 0);
}
reg.subreg_offset += delta % 32;
+ if (reg.subreg_offset >= 32) {
+ reg.reg_offset += reg.subreg_offset / 32;
+ reg.subreg_offset %= 32;
+ }
return reg;
}
--
2.5.0
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