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spirv: handle fast_math for opencl opcodes

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Reviewed-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/39460>
This commit is contained in:
Georg Lehmann 2026-01-22 16:47:57 +01:00 • committed by Marge Bot
parent 836efa8c3c
commit 565f37b98c
1 changed files with 15 additions and 2 deletions
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17
src/compiler/spirv/vtn_opencl.c
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@ -280,6 +280,19 @@ handle_instr(struct vtn_builder *b, uint32_t opcode,
}
}
static void
handle_alu_instr(struct vtn_builder *b, uint32_t opcode,
const uint32_t *w_src, unsigned num_srcs, const uint32_t *w_dest, nir_handler handler)
{
assert(w_dest);
vtn_handle_fp_fast_math(b, vtn_untyped_value(b, w_dest[1]));
handle_instr(b, opcode, w_src, num_srcs, w_dest, handler);
b->nb.fp_math_ctrl = b->exact ? nir_fp_exact : nir_fp_fast_math;
}
static nir_op
nir_alu_op_for_opencl_opcode(struct vtn_builder *b,
enum OpenCLstd_Entrypoints opcode)
@ -1117,7 +1130,7 @@ vtn_handle_opencl_instruction(struct vtn_builder *b, SpvOp ext_opcode,
case OpenCLstd_Half_recip:
case OpenCLstd_FMin_common:
case OpenCLstd_FMax_common:
handle_instr(b, ext_opcode, w + 5, count - 5, w + 1, handle_alu);
handle_alu_instr(b, ext_opcode, w + 5, count - 5, w + 1, handle_alu);
return true;
case OpenCLstd_SAbs_diff:
case OpenCLstd_UAbs_diff:
@ -1224,7 +1237,7 @@ vtn_handle_opencl_instruction(struct vtn_builder *b, SpvOp ext_opcode,
case OpenCLstd_Half_powr:
case OpenCLstd_Half_sin:
case OpenCLstd_Half_tan:
handle_instr(b, ext_opcode, w + 5, count - 5, w + 1, handle_special);
handle_alu_instr(b, ext_opcode, w + 5, count - 5, w + 1, handle_special);
return true;
case OpenCLstd_Vloadn:
case OpenCLstd_Vload_half: