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nv50: introduce emit_cvt and use it

Browse source 
This makes some code cleaner, and we can now easily
do CEIL and TRUNC.
This commit is contained in:
Christoph Bumiller 2009-05-23 16:14:37 +02:00 • committed by Ben Skeggs
parent 3accd7ebe9
commit 87eea6e2b2
1 changed files with 48 additions and 40 deletions
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88
src/gallium/drivers/nv50/nv50_program.c
View file

@ -783,6 +783,48 @@ emit_precossin(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
emit(pc, e);
}
#define CVTOP_RN 0x01
#define CVTOP_FLOOR 0x03
#define CVTOP_CEIL 0x05
#define CVTOP_TRUNC 0x07
#define CVTOP_SAT 0x08
#define CVTOP_ABS 0x10
#define CVT_F32_F32 0xc4
#define CVT_F32_S32 0x44
#define CVT_F32_U32 0x64
#define CVT_S32_F32 0x8c
#define CVT_S32_S32 0x0c
#define CVT_F32_F32_ROP 0xcc
static void
emit_cvt(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src,
int wp, unsigned cop, unsigned fmt)
{
struct nv50_program_exec *e;
e = exec(pc);
set_long(pc, e);
e->inst[0] |= 0xa0000000;
e->inst[1] |= 0x00004000;
e->inst[1] |= (cop << 16);
e->inst[1] |= (fmt << 24);
set_src_0(pc, src, e);
if (wp >= 0)
set_pred_wr(pc, 1, wp, e);
if (dst)
set_dst(pc, dst, e);
else {
e->inst[0] |= 0x000001fc;
e->inst[1] |= 0x00000008;
}
emit(pc, e);
}
static void
emit_set(struct nv50_pc *pc, unsigned c_op, struct nv50_reg *dst,
struct nv50_reg *src0, struct nv50_reg *src1)
@ -826,22 +868,10 @@ emit_set(struct nv50_pc *pc, unsigned c_op, struct nv50_reg *dst,
free_temp(pc, dst);
}
static void
static INLINE void
emit_flr(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
struct nv50_program_exec *e = exec(pc);
e->inst[0] = 0xa0000000; /* cvt */
set_long(pc, e);
e->inst[1] |= (6 << 29); /* cvt */
e->inst[1] |= 0x08000000; /* integer mode */
e->inst[1] |= 0x04000000; /* 32 bit */
e->inst[1] |= ((0x1 << 3)) << 14; /* .rn */
e->inst[1] |= (1 << 14); /* src .f32 */
set_dst(pc, dst, e);
set_src_0(pc, src, e);
emit(pc, e);
emit_cvt(pc, dst, src, -1, CVTOP_FLOOR, CVT_F32_F32_ROP);
}
static void
@ -858,21 +888,10 @@ emit_pow(struct nv50_pc *pc, struct nv50_reg *dst,
free_temp(pc, temp);
}
static void
static INLINE void
emit_abs(struct nv50_pc *pc, struct nv50_reg *dst, struct nv50_reg *src)
{
struct nv50_program_exec *e = exec(pc);
e->inst[0] = 0xa0000000; /* cvt */
set_long(pc, e);
e->inst[1] |= (6 << 29); /* cvt */
e->inst[1] |= 0x04000000; /* 32 bit */
e->inst[1] |= (1 << 14); /* src .f32 */
e->inst[1] |= ((1 << 6) << 14); /* .abs */
set_dst(pc, dst, e);
set_src_0(pc, src, e);
emit(pc, e);
emit_cvt(pc, dst, src, -1, CVTOP_ABS, CVT_F32_F32);
}
static void
@ -1562,21 +1581,10 @@ nv50_program_tx_insn(struct nv50_pc *pc, const union tgsi_full_token *tok)
if (sat) {
for (c = 0; c < 4; c++) {
struct nv50_program_exec *e;
if (!(mask & (1 << c)))
continue;
e = exec(pc);
e->inst[0] = 0xa0000000; /* cvt */
set_long(pc, e);
e->inst[1] |= (6 << 29); /* cvt */
e->inst[1] |= 0x04000000; /* 32 bit */
e->inst[1] |= (1 << 14); /* src .f32 */
e->inst[1] |= ((1 << 5) << 14); /* .sat */
set_dst(pc, rdst[c], e);
set_src_0(pc, dst[c], e);
emit(pc, e);
emit_cvt(pc, rdst[c], dst[c], -1, CVTOP_SAT,
CVT_F32_F32);
}
} else if (assimilate) {
for (c = 0; c < 4; c++)