On Tue, Sep 18, 2012 at 03:59:26PM +0200, Vincent Lejeune wrote:
> ---
> src/gallium/drivers/radeon/R600Instructions.td | 13 ++++++++++---
> 1 file changed, 10 insertions(+), 3 deletions(-)
>
This looks good to me. I have a patch locally that remove the
int_AMDGPU_div intrinsic altogether, so I'll try to push that out
after your patch.
Reviewed-by: Tom Stellard <thomas.stell...@amd.com>
> diff --git a/src/gallium/drivers/radeon/R600Instructions.td
> b/src/gallium/drivers/radeon/R600Instructions.td
> index 7e2deac..75c6825 100644
> --- a/src/gallium/drivers/radeon/R600Instructions.td
> +++ b/src/gallium/drivers/radeon/R600Instructions.td
> @@ -702,11 +702,18 @@ class COS_Common <bits<32> inst> : R600_1OP <
> // Helper patterns for complex intrinsics
>
> //===----------------------------------------------------------------------===//
>
> -class DIV_Common <InstR600 recip_ieee> : Pat<
> +multiclass DIV_Common <InstR600 recip_ieee> {
> +def : Pat<
> (int_AMDGPU_div R600_Reg32:$src0, R600_Reg32:$src1),
> (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
> >;
>
> +def : Pat<
> + (fdiv R600_Reg32:$src0, R600_Reg32:$src1),
> + (MUL R600_Reg32:$src0, (recip_ieee R600_Reg32:$src1))
> +>;
> +}
> +
> class SSG_Common <InstR600 cndgt, InstR600 cndge> : Pat <
> (int_AMDGPU_ssg R600_Reg32:$src),
> (cndgt R600_Reg32:$src, (f32 ONE), (cndge R600_Reg32:$src, (f32 ZERO),
> (f32 NEG_ONE)))
> @@ -753,7 +760,7 @@ let Predicates = [isR600] in {
> def MULHI_UINT_r600 : MULHI_UINT_Common<0x76>;
> def RECIP_UINT_r600 : RECIP_UINT_Common <0x78>;
>
> - def DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
> + defm DIV_r600 : DIV_Common<RECIP_IEEE_r600>;
> def POW_r600 : POW_Common<LOG_IEEE_r600, EXP_IEEE_r600, MUL, GPRF32>;
> def SSG_r600 : SSG_Common<CNDGT_r600, CNDGE_r600>;
> def TGSI_LIT_Z_r600 : TGSI_LIT_Z_Common<MUL_LIT_r600, LOG_CLAMPED_r600,
> EXP_IEEE_r600>;
> @@ -849,7 +856,7 @@ let Predicates = [isEGorCayman] in {
> def : DOT4_Pat <DOT4_eg>;
> defm CUBE_eg : CUBE_Common<0xC0>;
>
> - def DIV_eg : DIV_Common<RECIP_IEEE_eg>;
> + defm DIV_eg : DIV_Common<RECIP_IEEE_eg>;
> def POW_eg : POW_Common<LOG_IEEE_eg, EXP_IEEE_eg, MUL, GPRF32>;
> def SSG_eg : SSG_Common<CNDGT_eg, CNDGE_eg>;
> def TGSI_LIT_Z_eg : TGSI_LIT_Z_Common<MUL_LIT_eg, LOG_CLAMPED_eg,
> EXP_IEEE_eg>;
> --
> 1.7.11.4
>
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