From: Matt Turner Date: Thu, 29 May 2014 23:47:39 +0000 (-0700) Subject: i965/vec4: Allow writemasking on math instructions on Gen7+. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=65bccff800dc1181ec2a6ee007a10ee0ec10b089;p=mesa.git i965/vec4: Allow writemasking on math instructions on Gen7+. The math instruction was Align1-only on Gen6 and we never updated this to let it use Align16 features like writemasking on newer platforms. total instructions in shared programs: 1686120 -> 1685507 (-0.04%) instructions in affected programs: 48593 -> 47980 (-1.26%) Reviewed-by: Kenneth Graunke --- diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp index 54a40dde1dd..ee52c076175 100644 --- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp @@ -326,7 +326,7 @@ vec4_visitor::emit_math1_gen6(enum opcode opcode, dst_reg dst, src_reg src) { src = fix_math_operand(src); - if (dst.writemask != WRITEMASK_XYZW) { + if (brw->gen == 6 && dst.writemask != WRITEMASK_XYZW) { /* The gen6 math instruction must be align1, so we can't do * writemasks. */ @@ -379,7 +379,7 @@ vec4_visitor::emit_math2_gen6(enum opcode opcode, src0 = fix_math_operand(src0); src1 = fix_math_operand(src1); - if (dst.writemask != WRITEMASK_XYZW) { + if (brw->gen == 6 && dst.writemask != WRITEMASK_XYZW) { /* The gen6 math instruction must be align1, so we can't do * writemasks. */