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agx: Add nest field to IR

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Needed to model control flow instructions.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11023>
This commit is contained in:
Alyssa Rosenzweig
2021-05-23 12:35:58 -04:00
committed by Alyssa Rosenzweig
parent 6f54385b0a
commit 21cf528e76
3 changed files with 13 additions and 0 deletions
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3
src/asahi/compiler/agx_compiler.h
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@@ -278,6 +278,9 @@ typedef struct {
* scoreboarding (everything but memory load/store and texturing). */ * scoreboarding (everything but memory load/store and texturing). */
unsigned scoreboard : 1; unsigned scoreboard : 1;
/* Number of nested control flow layers to jump by */
unsigned nest : 2;
/* Output modifiers */ /* Output modifiers */
bool saturate : 1; bool saturate : 1;
unsigned mask : 4; unsigned mask : 4;

1
src/asahi/compiler/agx_opcodes.py
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@@ -86,6 +86,7 @@ DIM = immediate("dim", "enum agx_dim")
SCOREBOARD = immediate("scoreboard") SCOREBOARD = immediate("scoreboard")
ICOND = immediate("icond") ICOND = immediate("icond")
FCOND = immediate("fcond") FCOND = immediate("fcond")
NEST = immediate("nest")
FUNOP = lambda x: (x << 28) FUNOP = lambda x: (x << 28)
FUNOP_MASK = FUNOP((1 << 14) - 1) FUNOP_MASK = FUNOP((1 << 14) - 1)

9
src/asahi/compiler/agx_print.c
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@@ -167,6 +167,15 @@ agx_print_instr(agx_instr *I, FILE *fp)
fprintf(fp, "slot %u", I->scoreboard); fprintf(fp, "slot %u", I->scoreboard);
} }
if (info.immediates & AGX_IMMEDIATE_NEST) {
if (print_comma)
fprintf(fp, ", ");
else
print_comma = true;
fprintf(fp, "n=%u", I->nest);
}
fprintf(fp, "\n"); fprintf(fp, "\n");
} }