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freedreno/lowering: fix token calculation for lowering

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Indirect registers consume an additional token.  Try to clean up the
token calculation math a bit, and fix it at the same time.

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark 2014-09-30 16:53:24 -04:00
parent 408aa46ca8
commit 01ff0b28b3
1 changed files with 39 additions and 16 deletions
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55
src/gallium/drivers/freedreno/freedreno_lowering.c
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@ -146,6 +146,25 @@ create_mov(struct tgsi_transform_context *tctx,
tctx->emit_instruction(tctx, &new_inst);
}
/* to help calculate # of tgsi tokens for a lowering.. we assume
* the worst case, ie. removed instructions don't have ADDR[] or
* anything which increases the # of tokens per src/dst and the
* inserted instructions do.
*
* OINST() - old instruction
* 1 : instruction itself
* 1 : dst
* 1 * nargs : srcN
*
* NINST() - new instruction
* 1 : instruction itself
* 2 : dst
* 2 * nargs : srcN
*/
#define OINST(nargs) (1 + 1 + 1 * (nargs))
#define NINST(nargs) (1 + 2 + 2 * (nargs))
/*
* Lowering Translators:
*/
@ -172,7 +191,8 @@ create_mov(struct tgsi_transform_context *tctx,
* MOV dst.w, src1.w
* MOV dst.x, imm{1.0}
*/
#define DST_GROW (19 - 4)
#define DST_GROW (NINST(1) + NINST(1) + NINST(2) + NINST(1) + \
NINST(1) + NINST(1) - OINST(2))
#define DST_TMP 2
static void
transform_dst(struct tgsi_transform_context *tctx,
@ -252,7 +272,7 @@ transform_dst(struct tgsi_transform_context *tctx,
* SUB dst.xyz, tmpA.xyz, tmpB.xyz
* MOV dst.w, imm{1.0}
*/
#define XPD_GROW (15 - 4)
#define XPD_GROW (NINST(2) + NINST(2) + NINST(2) + NINST(1) - OINST(2))
#define XPD_TMP 2
static void
transform_xpd(struct tgsi_transform_context *tctx,
@ -323,7 +343,7 @@ transform_xpd(struct tgsi_transform_context *tctx,
* SIN dst.y, src.x
* MOV dst.zw, imm{0.0, 1.0}
*/
#define SCS_GROW (12 - 3)
#define SCS_GROW (NINST(1) + NINST(1) + NINST(1) + NINST(1) - OINST(1))
#define SCS_TMP 1
static void
transform_scs(struct tgsi_transform_context *tctx,
@ -385,7 +405,7 @@ transform_scs(struct tgsi_transform_context *tctx,
* MUL tmpB, tmpB, src2
* ADD dst, tmpA, tmpB
*/
#define LRP_GROW (16 - 4)
#define LRP_GROW (NINST(2) + NINST(2) + NINST(2) + NINST(2) - OINST(3))
#define LRP_TMP 2
static void
transform_lrp(struct tgsi_transform_context *tctx,
@ -451,7 +471,7 @@ transform_lrp(struct tgsi_transform_context *tctx,
* FLR tmpA, src
* SUB dst, src, tmpA
*/
#define FRC_GROW (7 - 3)
#define FRC_GROW (NINST(1) + NINST(2) - OINST(1))
#define FRC_TMP 1
static void
transform_frc(struct tgsi_transform_context *tctx,
@ -495,7 +515,7 @@ transform_frc(struct tgsi_transform_context *tctx,
* MUL tmpA.x, src1.x, tmpA.x
* EX2 dst, tmpA.x
*/
#define POW_GROW (10 - 4)
#define POW_GROW (NINST(1) + NINST(2) + NINST(1) - OINST(2))
#define POW_TMP 1
static void
transform_pow(struct tgsi_transform_context *tctx,
@ -554,7 +574,8 @@ transform_pow(struct tgsi_transform_context *tctx,
* MOV dst.yz, tmpA.xy
* MOV dst.xw, imm{1.0}
*/
#define LIT_GROW (30 - 3)
#define LIT_GROW (NINST(1) + NINST(3) + NINST(1) + NINST(2) + \
NINST(1) + NINST(3) + NINST(1) + NINST(1) - OINST(1))
#define LIT_TMP 1
static void
transform_lit(struct tgsi_transform_context *tctx,
@ -664,7 +685,8 @@ transform_lit(struct tgsi_transform_context *tctx,
* MOV dst.z, tmpA.y
* MOV dst.w, imm{1.0}
*/
#define EXP_GROW (19 - 3)
#define EXP_GROW (NINST(1) + NINST(1) + NINST(2) + NINST(1) + \
NINST(1)+ NINST(1) - OINST(1))
#define EXP_TMP 1
static void
transform_exp(struct tgsi_transform_context *tctx,
@ -758,7 +780,8 @@ transform_exp(struct tgsi_transform_context *tctx,
* MOV dst.xz, tmpA.yx
* MOV dst.w, imm{1.0}
*/
#define LOG_GROW (25 - 3)
#define LOG_GROW (NINST(1) + NINST(1) + NINST(1) + NINST(1) + \
NINST(2) + NINST(1) + NINST(1) - OINST(1))
#define LOG_TMP 1
static void
transform_log(struct tgsi_transform_context *tctx,
@ -882,11 +905,11 @@ transform_log(struct tgsi_transform_context *tctx,
* }
* ; fixup last instruction to replicate into dst
*/
#define DP4_GROW (19 - 4)
#define DP3_GROW (14 - 4)
#define DPH_GROW (18 - 4)
#define DP2_GROW ( 9 - 4)
#define DP2A_GROW (13 - 4)
#define DP4_GROW (NINST(2) + NINST(3) + NINST(3) + NINST(3) - OINST(2))
#define DP3_GROW (NINST(2) + NINST(3) + NINST(3) - OINST(2))
#define DPH_GROW (NINST(2) + NINST(3) + NINST(3) + NINST(2) - OINST(2))
#define DP2_GROW (NINST(2) + NINST(3) - OINST(2))
#define DP2A_GROW (NINST(2) + NINST(3) + NINST(2) - OINST(3))
#define DOTP_TMP 1
static void
transform_dotp(struct tgsi_transform_context *tctx,
@ -998,7 +1021,7 @@ transform_dotp(struct tgsi_transform_context *tctx,
* MOV_SAT tmpA.<mask>, tmpA ; <mask> is the clamped s/t/r coords
* <opc> dst, tmpA, ...
*/
#define SAMP_GROW (13)
#define SAMP_GROW (NINST(1) + NINST(1) + NINST(2) + NINST(1))
#define SAMP_TMP 2
static int
transform_samp(struct tgsi_transform_context *tctx,
@ -1125,7 +1148,7 @@ transform_samp(struct tgsi_transform_context *tctx,
2 + /* FACE */ \
((n) * 2) + /* IN[] BCOLOR[n] */ \
((n) * 1) + /* TEMP[] */ \
((n) * 5) /* CMP instr */ \
((n) * NINST(3)) /* CMP instr */ \
)
static void